New Coleoptera records from eastern Canada, with additions to the fauna of Manitoba, British Columbia, and Yukon Territory

Abstract One-hundred-eleven new provincial and territorial Coleoptera records are reported from New Brunswick (64), Nova Scotia (20), Prince Edward Island (5), Quebec (14), Manitoba (3), British Columbia (3), and Yukon Territory (2) for the 26 following families: Carabidae, Dytiscidae, Histeridae, Staphylinidae, Scarabaeidae, Buprestidae, Eucnemidae, Elateridae, Cantharidae, Erotylidae, Monotomidae, Cryptophagidae, Passandridae (first record of this family from New Brunswick), Laemophloeidae, Nitidulidae, Anamorphidae, Coccinellidae, Latridiidae, Mordellidae, Tenebrionidae, Cerambycidae, Chrysomelidae, Anthribidae, Brentidae, Dryophthoridae, and Curculionidae. Among these are ten new Canadian records: Heterosternutaoppositus (Say, 1823) (Dytiscidae) (New Brunswick), Gyrophaenablatchleyi Seevers, 1951 (Staphylinidae) (Quebec), Acropteroxyslecontei Crotch, 1873 (Erotylidae) (Manitoba), Placonotusfalinorum Thomas, 2011 (Laemophloeidae) (Quebec), Adelina pallida (Say, 1824) (Tenebrionidae) (Quebec), Poeciloceraharrisii (J.L. LeConte, 1851) (Chrysomelidae) (New Brunswick), Plesiobarisalbilata (LeConte, 1876) (Curculionidae) (Quebec, New Brunswick), Pseudopityophthorusasperulus (LeConte, 1868) (Curculionidae) (Nova Scotia), Hylurgopspalliatus (Gyllenhal, 1813) (Curculionidae) (New Brunswick), and Heteroboripsseriatus (Blandford, 1894) (Curculionidae) (Nova Scotia). Plesiobarisdisjuncta Casey reported as new for Canada in New Brunswick and Quebec by Webster et al. (2012a) is actually P.albilata (LeConte) and thus P.disjuncta is removed from the faunal list of Canada. Eleven species from New Brunswick not previously reported in literature were found on the online platforms BugGuide.Net and iNaturalist and are reported in this publication. This highlights the importance of online platforms dedicated to recording wildlife observations and citizen science in detecting new species records. Data is also presented for seven species from Quebec and two species from New Brunswick reported by Bousquet et al. (2013) without any supporting information for their occurrence in these provinces. Among the species reported here, 32 are adventive.

In this publication we report new records from New Brunswick, Nova Scotia, Prince Edward Island, Quebec, Manitoba, British Columbia, and Yukon Territory, including ten new Canadian records.

Collection methods
Various methods such as treading, sifting litter, hand collecting, and sweeping foliage were employed to collect the specimens reported in this publication. Details are outlined in Webster et al. (2009, appendix). Some specimens were collected from Lindgren funnel trap samples during a study to develop improved methods for detection of invasive species of Cerambycidae. These traps are visually similar to tree trunks and are often effective for sampling species of Coleoptera that live in microhabitats associated with standing trees (Lindgren 1983). Traps were baited with various combinations of lures used for detecting Cerambycidae and Scolytinae. See Hughes et al. (2014) and Webster et al. (2016a) for details of the lures used and methods used to deploy Lindgren traps and sample collection. Most specimens from Quebec were either swept or beaten from various plant species, attracted to mercury vapor, ultraviolet or porch lights or handpicked from various substrates or from a flight interception trap (window or tulle fabric). A description of the habitat was recorded for many specimens reported in this survey. Locality and habitat data are presented as written on the labels for each record except for habitat and collection method data recorded in French which were translated to English for Quebec records. Information is separated by a // in the data presented from each specimen where more than one label is present. GPS data are presented in decimal degrees.

Specimen preparation and determination
Males of some species were dissected to confirm their identities. The genital structures were dehydrated in absolute alcohol and either mounted in Canada balsam on celluloid microslides or glued onto cards that were then pinned with the specimen from which they originated. Most specimens reported in this study were determined by the authors by examination and comparison of specimens in the collections at the CNC and CMNC (Curculionidea) and using various keys such as Bousquet (2010) for Carabidae, Ashbee et al. (2017) for Haliplidae, Larsin (2000) for Dytiscidae and many other keys to families or genera in other publications cited in the species accounts in this publication. Species that could not be confidently determined were sent to experts at the CNC: Adam Brunke (Staphylinidae: Aleocharinae and Oxytelinae), Patrice Bouchard (Tenebrionidae), Anthony Davies (Nitidulidae, Staphylinidae, Paederinae), Hume Douglas (Elateridae, Chrysomelidae), Serge Laplante (Histeridae, Elateridae, Erotylidae, Laemophloeidae), and Karine Savard (Chrysomelidae). Other experts consulted were Donald Bright (Scolytinae, Pityophthorus) and the late Michael C. Thomas (Laemophloeidae).

Internet records
A number of species records from New Brunswick not previously recorded in Bousquet et al. (2013), Webster (2016), or other recent publications were found on Bug-Guide.Net and iNaturalist. Many are based on photographs of living adults and specimen vouchers are not available for further study. Only species for which determination could be confirmed by experts are reported in this paper. These records are reported in bold for New Brunswick (see below) under the Distribution in Canada and Alaska in order to note their presence in New Brunswick but are treated as previously reported records for the province by those who submitted them.

Distribution
All species are cited with current Distribution in Canada and Alaska, using abbreviations for the states, provinces, and territories. New provincial records are indicated in bold under the heading Distribution in Canada and Alaska. The following abbreviations are used in the text: moss-lined pool (1, RWC). York Co., 14 km WSW of Tracy, S of Rt. 645, 45. 6741N, 66.8861W, 10-26.V.2010, R. Webster & C. MacKay, coll. // Old mixed forest with red & white spruce, red & white pine, balsam fir, eastern white cedar, and Populus sp., Lindgren funnel trap (1,RWC).

Family Histeridae Gyllenhal, 1808 Subfamily Dendrophilinae Reitter, 1909
Paromalus seeversi (Wenzel, 1936), new supporting data for Quebec Note. The first Canadian record of Paromalus seeversi was based on a single collection made in 1967, in Essex Co., ON (Bousquet and Laplante 2006). Included by Bousquet and Laplante (2000) in a list of species that may eventually be found in QC, this species was later recorded from this province by Bousquet et al. (2013) based on four specimens (reported below) from Terrasse-Vaudreuil collected by P. de Tonnancour, in 2013. Subsequently, numerous additional individuals were found in moist organic debris samples extracted from two hollow trees [silver maple (Acer saccharinum L.) and American linden (Tilia americana L.)] in a suburban residential area. This microhabitat matches closely the description given by Kovarik and Caterino (2001). Under-sampling undoubtedly explains the rarity of this species and other cavity dwelling histerids in collections. de Tonnancour, moist organic debris (rotten Cerioporus squamosus) extracted from a tree cavity of an old Acer saccharinum (2, CCC; 4, CMNC; 4, CNC; 37, PdTC; 8, RVC; 2, SDC); same collector but Terrasse- Vaudreuil, 45.3926N, 73.9929W, 9.VII.2019, moist organic debris extracted from a hollow trunk section of a large Tilia americana occupied by red squirrels, 8 m above ground (17,PdTC).
Distribution in Canada and Alaska. ON, QC .

Euplectus karstenii (Reichenbach, 1816) †, new to New Brunswick
Note. Wagner (1975) reported this adventive species from well-rotted haystacks, corncob piles, horse manure, and occasionally from tree holes. The two NB specimens were captured in Lindgren   .

Philhygra pseudopolaris Klimaszewski and Langor, 2011, new to British Columbia
Note. The BC specimens were collected by treading emergent grasses and sedges in a small pond. Nothing was previously known about the habitat associations of this species (Klimaszewski et al. 2018b

Gyrophaena blatchleyi Seevers, 1951, new to Canada and Quebec
Note. This species has been reported from MI and IN in the United States (Seevers 1978;Enushchenko 2017  .

Carpelimus erichsoni (Sharp, 1871) †, new to Quebec
Note. This adventive species is listed by Schülke and Smetana (2015) as widely distributed in southern Europe from Russia (Southern Territory) and Yugoslavia south to Algeria and east to the Netherlands and Belgium. It was recently reported from North America from Charters Settlement, NB by Webster et al. (2016b). The specimen reported below was collected at light. The initial determination made by Tim Struyve was confirmed by Adam Brunke.
Specimen data.

Carpelimus gracilis (Mannerheim, 1830) †, new to Quebec
Note. This adventive species has long been known to occur in North America (Fauvel 1889) but was reported only recently from Canada, in NB (Webster et al. 2016b  .
Distribution in Canada and Alaska. ON, QC, NB .

Subfamily Staphylininae Latreille, 1802
Erichsonius civicus Frank, 1975, new to New Brunswick Note. Erichsonius civicus has been recorded from NH and NY south to GA and LA (Frank 1975) and FL (Frank 1981) but has not yet been recorded from ME (Majka et al. 2011). Specimens reported below were collected from bare mud and treading vegetation in a marsh along the margin of a slow flowing stream. One individual was collected from moist leaves on a vernal pond margin, another was captured in a Lindgren funnel trap adjacent to a marsh. This species was collected from May to August.   Webster et al. (2016c). Although this species was described from OH, it is thought to be an introduction to North America from Asia (Otto et al. 2014). This species is widespread in the eastern United States and appears to be common in NB (Webster et al. 2016c

Rhagonycha hirticula (Green, 1941), new to New Brunswick
Note. Adults were swept from vegetation in freshwater marshes, a salt marsh, a calcareous fen, along the margin of a salt spring, and along a trail through a mixed forest. Two individuals were captured in Lindgren funnel traps in the canopy of trees in hardwood forests, and one from traps in a jack pine (Pinus banksiana Lamb.) forest. Nothing was previously known about the habitat associations of this species (Pelletier and Hébert 2014 . These specimens represent the first report of C. obliteratus from QC. Additional more recent specimens are reported below. This species is associated with decaying organic matter. Specimens from NB were collected in compost, and most of those from QC were found in close proximity of a regularly fed compost heap in a suburban residential area. Note. Esser (2016Esser ( , 2017 showed that the name Cryptophilus integer (Heer, 1841) was not valid and that all North American records previously treated as C. integer include two adventive species, C. propinquus Reitter and C. angustus (Rosenhauer, 1856). Only C. propinquus was found among barcoded specimens from Canada (BC and ON) (Pentinsaari et al. 2019). Cryptophilus integer was listed by Bousquet et al. (2013) from QC and ON. However, all the CNC specimens were another species, Cryptophilus obliteratus (see comments for previous species). Cryptophilus propinquus was previously recorded from the province of QC (under the name C. integer) from Hemmingford, in 1933 (Klimaszewski et al., 2015). Here, we report additional modern records from the province. Most of the above specimens were collected late in the season in a suburban residential area, at most 15 m away from a regularly fed compost heap. Specimen data. Quebec, Agglomération de Québec, Sainte-Foy, 30.VI.1975, C. Chantal, attracted to UV lamp (1, CCC). Agglomération de Montréal, Montréal, 9.VII.1975, C. Chantal, attracted to UV lamp (1, CCC Note. This species seems to be associated with deciduous trees, such as Quercus sp., American beech, American chestnut (Castanea dentata (Marsh.)), sugar maple (Acer saccharum Marsh.), and black cherry (Prunus serotina Ehrh.) (Bousquet, 1990 (Bousquet et al. 2013, Pelletier andHébert 2019). Bousquet et al. (2013) treated C. confertus as a synonym of C. jakowlewi Reitter, 1888. However, Esser (2018 showed that C. jakowlewi and C. confertus are distinct species and noted that there were no valid records of C. jakowlewi from North America. Webster et al. (2016c) newly reported C. jakowlewi from NB. These specimens were checked again using the keys in Woodroffe and Coombs (1961) and Pelletier and Hébert (2019) and they are C. confertus. Pelletier and Hébert (2019) did not list C. confertus for NB or note the original NB record of C. jakowlewi by Webster et al (2016c). This species is easily confused with the very similar and mostly western C. bidentatus Mäklin, 1853 that occurs as far east as QC (Pelletier and Hébert 2019).

Henoticus pilifer (Reitter, 1888) †, new to New Brunswick
Note. Pelletier and Hébert (2019) (2019) show locality points for H. serratus in southeastern and northern NB indicating a broad distribution for this native Holarctic species. Interestingly, the adventive H. pilifer appears to be more common than H. serratus in southern NB.

Subfamily Atomariinae LeConte, 1861
Atomaria morio Kolenati, 1846 †, new to New Brunswick Note. Pelletier and Hébert (2019) reported this uncommon adventive European species for the first time from North America. Most NB specimens were captured in Lindgren funnel traps in various forest types. One individual was collected from the nest box contents of a barred owl (Strix varia Barton). This species appears to be widespread in southern NB but was usually captured as singletons at a given locality.

Atomaria impressa Erichson, 1846 †, new to New Brunswick
Note. Pelletier and Hébert (2019) reported this adventive European species for the first time from North America, from strawberry fields and American beaver (Castor canadensis Kuhl) lodges. The only specimen from NB with microhabitat data was collected from debris on an American beaver dam.

Family Passandridae Blanchard, 1845
Catogenus rufus (Fabricius, 1792) Bousquet et al. (2013) listed this species as occurring in NB. However, there is no published or supporting data in the CNC database for its occurrence in NB (Serge Laplante, pers. com.). Here, we report supporting data for NB. All NB specimens of P. politus were collected from wetland habitats (marshes and fens, calcareous cedar fen, silver maple forest). Adults and larvae are associated with smuts on grasses (Steiner 1984).

Family Laemophloeidae Ganglbauer, 1899
Charaphloeus convexulus (LeConte, 1879), new supporting data for Quebec Note. This species was added to the entomofauna of QC without any further details by Bousquet et al. (2013). Here, we provide supporting data for its occurrence in the province. Very little is known about its biology, except that it is usually found under bark. Most specimens listed below were captured in hardwood forests.   Bousquet et al. (1991) considered the Windsor occurrence doubtful or incidental and opted not to include this species in the checklist. The recent discovery of a few specimens in Ottawa by H. Goulet and of the specimens recorded hereafter, which were the basis of the record from QC reported by Bousquet et al. (2013), confirms its presence in both ON and QC. The popularity of yuccas as garden plants in southern Canada has likely played a key role in the northward range expansion of this species. Label data suggest that the adults are mostly active in late afternoon and early evening during the first half of July, when their host plants are in bloom.

Subfamily Amphicrossinae Kirejtshuk, 1986
Amphicrossus ciliatus (Olivier, 1811), new supporting data for Quebec Note. Label data presented below indicate that Amphicrossus ciliatus has been present in QC since at least 1993. Parsons (1943) mentioned that this species is found at sap in the spring but occurs on flowers of Eupatorium and allied plants in the autumn. However, the vast majority of the specimens reported below have been collected at light.

Stelidota geminata (Say, 1825), new supporting data for Quebec
Note. The 2011 specimens reported below were the basis of the record from QC reported by Bousquet et al. (2013).   (2018) reported Coleomegilla maculata lengi Timberlake, 1943 from the province. Members of the genus Scymnus can be difficult to determine due to variation in coloration and size, and many species can only be determined with certainty by dissecting males (Gordon 1976). A review of Scymnus and Stethorus specimens in several NB collections resulted in the discovery of seven additional species of Scymnus and one adventive Stethorus species, bringing the total number of NB coccinellids to 54 species. These new records are reported below.

Scymnus abbreviatus LeConte, 1852, new to New Brunswick
Note. Gordon (1976) reported Scymnus abbreviatus from the Great Lakes area and along the St. Lawrence River in ON, QC, and MI and suggested it should be found throughout the region north of the Great Lakes. Majka et al. (2011) did not report it from ME. Its presence in NB is somewhat surprising. Specimens of S. abbreviatus were collected by sweeping vegetation along a roadside and in a brushy area. One was collected from trembling aspen and three were captured in Lindgren funnel traps (that were either all green or all black) in a mixed forest. Adults were collected during May and June. No habitat data for this species were provided by Gordon (1976  .

Scymnus caudalis LeConte, 1850, new to New Brunswick
Note. Majka and McCorquodale (2006) recorded this species from Halifax, NS as a "seemingly isolated" population. This species is common and broadly distributed in eastern and central North America (Gordon 1976) and appears to be widespread in NB. Two individuals were captured in Lindgren funnel traps in a hardwood forest and a mixed forest. The only specimen with specific habitat data was swept from foliage along a lakeshore on an old dune with oaks. No habitat data for this species were provided by Gordon (1976) or McCorquodale (2006, 2010).

Scymnus puncticollis LeConte, 1852, new to New Brunswick
Note. NB specimens were captured in Lindgren funnel traps in a hardwood forest, a mixed forest with red oak, a mixed forest, and an old balsam poplar (Populus balsamifera L.) stand near a river. Most of these were captured in traps in the forest canopy. Adults with specific habitat data were collected by beating or sweeping foliage in a regenerating mixed forest and in a sand pit. Adults were collected from April to September. No habitat data were provided by Gordon (1976). This appears to be the most common and widespread Scymnus species in NB.

Scymnus securus J. Chapin, 1973, new to New Brunswick
Note. Scymnus securus is a coastal plain species recorded from LA north to MA with an isolated record from Tilbury, ON (Gordon, 1976(Gordon, , 1985. The record from NB represents a significant range extension to the northeast. The three known NB specimens were sifted from moist grass litter in a small sedge marsh and swept from marsh vegetation along the margin of a beaver pond. Adults were collected in April, July, and September. No habitat data were provided by Gordon (1976). Distribution in Canada and Alaska. ON, NB .

Scymnus suturalis Thunberg, 1795 †, new to New Brunswick
Note. Scymnus suturalis appears to be widespread in NB but is apparently uncommon as only three specimens have been collected. This adventive Palaearctic species was first reported from Canada from Oka, QC in 1983(McNamara 1992 and from Halifax, NS in 1993 by Hoebeke and Wheeler (1996) and was still present in Halifax in 2003 (Majka and McCorquodale 2010). The introduction into NS was likely an accidental one, possibly associated with conifer nursery stock Wheeler 1996, Majka andKlimaszewski 2004). This species was intentionally released in MI from Germany in 1961 and is apparently now established in the state and was also inadvertently introduced to other areas in the Northeast where it has become established (Gordon 1985). Scymnus suturalis preys on adelgids and aphids found on conifers and has been found on Scots pine (Pinus sylvestris L.) and jack pine in NS (Majka and McCorquodale 2010). The three NB specimens reported below were captured in Lindgren funnel traps; one in an old black spruce (Picea mariana (Mill.) BSP) forest, one in a red oak (Quercus rubra L.) forest near a seasonally flooded marsh, and another in a mixed forest. The specimens were captured from June to September.

Scymnus americanus Mulsant, 1850, new to New Brunswick
Note. Scymnus americanus is widespread in the central and eastern USA and was reported close to the NB border in eastern ME (Gordon 1976). The single specimen from NB was sifted from moist grass litter in a small sedge marsh in April. No habitat data were provided by Gordon (1976 (Brown, 1950, Klimaszewski et. 2015. It was first reported from the United States from Framingham, MA sometime before 1950 (Brown 1950). This species was inadvertently introduced and appears to have now become established throughout much of the Northeast west to MB, AB, southward to ID and on the west coast in BC and OR (Gordon, 1985, Klimaszewski et al. 2015. Majka et al. (2011) reported it from ME and thus its presence in NB is not unexpected. This species is easily confused with the native S. punctum (LeConte, 1852) and has been confused in collections (Gordon 1985). Re-examination of specimens previously determined as S. punctum may result in the discovery of additional localities for S. punctillum in the region. Stethorus punctillum feed on mites and soft-bodied insects such as aphids, adelgids, and scales (Gordon 1985, Klimaszewski et al. 2015. The NB specimens were captured in Lindgren funnel traps in an old jack pine forest, an old red oak forest, and a hardwood woodland near a seasonally flooded marsh. Adults were collected from late May to late August.

Mordellistena divisa LeConte, 1859, new to New Brunswick
Note. It was surprising to find this distinctive species in NB. The NB specimens clearly key out to Mordellistena divisa and fit the description in Liljeblad (1945) and appear identical to the type specimen in the MCZ Type Database @ Harvard Entomology. This species has been reported from NJ and NY in the eastern United States but appears to be mainly mid-western in distribution .

Family Meloidae Gyllenhal, 1810 Subfamily Nemognathinae Laporte, 1840
Tricrania sanguinipennis (Say, 1823) Note. Tricrania sanguinipennis was first reported from NB on BugGuide.Net, https:// bugguide.net/node/view/1512612/bgimage by Anthony W. Thomas, based on a photograph of an individual taken on 24 April, 2018 in Fredericton (Douglas). The individual was not collected (A. Thomas, pers. comm., 2019). This is the first record of this species from the province. The first author visited the same site on 5 May 2019 and collected four individuals representing the first specimen vouchers. Two additional individuals were observed on 6 May at the same site. Adults were observed crawling on the ground in areas of short grass with bare patches of sandy soil in or near colonies of ground nesting bees. Larvae of this genus are parasitoids of ground nesting bees and are phoretic on adult bees. Phoresy appears to be the main means this flightless species uses to reach their host nests (Pinto and Bologna 2002) and may also be the primary way it disperses to new areas.
This meloid has been reported as far north as Clinton, Kennebec Co., in central ME (Majka et al. 2011) and is known from QC and ON in Canada ). The population in NB represents a significant range extension to the northeast. This species is currently known from only one locality in NB but may be more widespread. Adults may have been overlooked because they are active very early in the spring when red maples (Acer rubrum L.) are in flower.
Distribution in Canada and Alaska. ON, QC, NB .

Eupogonius pauper LeConte, 1852, new to New Brunswick
Note. This longhorn has been reported as far north as the Quebec City area of QC and uses a wide variety of deciduous trees, shrubs and vines as host plants . Its presence in NB is not unexpected.

Mecas cineracea Casey, 1913, new to Manitoba
Note. The first specimen of Mecas cineracea reported from Canada was swept from vegetation near Willow Bunch Lake, SK in 1991 ). The new MB record represents the second known Canadian specimen; it was swept from vegetation in a marshy area in a native tall grass prairie. Distribution in Canada and Alaska. ON, QC, NB .

Bruchus brachialis Fåhraeus, 1839 †, new to Nova Scotia
Note. The vetch bruchid, B. brachialis, is native to Europe and is a seed predator of Vicia spp. It was first collected in North America in NJ, MD in 1931 (Bottimer 1931) and by 1968 had spread to most of eastern and northwestern United States and southwestern Canada (Bottimer 1968  .

Poecilocera harrisii (J.L. LeConte, 1851), new to Canada and New Brunswick
Note. Poecilocera harrisii has been reported as far east as MA and NH in the Northeast (Riley et al. 2003) but has yet to be reported from ME (Majka et al, 2011). The NB record is a significant range extension to the northeast and represents the first occurrence of this species in Canada. Both specimens were captured in a calcareous fen with shrubby cinquefoil (Dasiphora fruticosa (L.) Rydb.). Little is known about the biology of the species other than an association with Carex (Riley et al. 2002 Majka et al. (2011). Larval hosts are grasses (Riley et al. 2003). The NB specimens were found on the adventive reed canary grass (Phalaris arundinacea L.). In Bousquet et al. (2013), this species is incorrectly listed as Chalepus walshi walshi (Olivier, 1792). The correct name is Chalepus walshii walshii (Crotch, 1873) (Yves Bousquet, Hume Douglas, and Patrice Bouchard, pers. comm., 2019).

Chaetocnema hortensis (Geoffroy, 1785) †, new to New Brunswick
Note. Most specimens in the CNC from Canada determined as Chaetocnema borealis R. White, 1996 are C. hortensis (Pentinsaari et al 2019). This species is native to the Palaearctic where it is widespread (Döberl 2010). It is adventive in Canada in BC and in eastern Canada in NF, LB, NS, and ON (Pentinsaari et al 2019). Here we report it for the first time from NB. Majka and LeSage (2010) reported C. borealis for the first time from NB, but it is possible that these specimens represent this adventive species. The specimen from Coxheath, Cape Breton Island, NS, illustrated as C. borealis in Majka and LeSage (2010) was dissected and is C. hortensis (Hume Douglas & Karine Savard, pers. comm.). This specimen exhibits the purple tone typical of most specimens from NB.   Parry, 1986 and best distinguished by the shape of the male aedeagus and female spermathecae (Parry 1986  .

Smicronyx amoenus (Say, 1832), new to Quebec
Note. The record from southern QC represents a significant eastern range extension in Canada, as this species was previously known only from SK and MB . Host records, although sparse, associate this species with Asteraceae (Anderson et al. 2014  .

Subfamily Baridinae Schönherr, 1836
Plesiobaris albilata (LeConte, 1876), new to Canada, New Brunswick, and Quebec Specimens recorded as Plesiobaris disjuncta Casey, 1892 in Webster et al. (2012a) were reviewed following examination of the holotype of this species by R.S. Anderson in February 2020. These records from NB and QC were found to refer to Plesiobaris albilata (LeConte, 1876), a species not previously recorded in Canada, thus P. disjuncta should be removed from the Canadian, NB and QC faunal lists.
Distribution in Canada and Alaska. QC, NB.

Ceutorhynchus oregonensis Dietz, 1896
This weevil was reported for the first time from NB on BugGuide.Net by Richard Migneault. See https://bugguide.net/node/view/736516 for the illustration of the specimen that was collected in Edmundston, Madawaska Co. on June 12, 2012. The determination was confirmed by R.S. Anderson.

Subfamily Lixinae Schönherr, 1823
Larinus carlinae (Olivier, 1807) † This adventive weevil was reported for the first time from NB on BugGuide.Net by Richard Migneault. See https://bugguide.net/node/view/736349 for the illustration of the specimen that was collected in Edmundston, Madawaska Co. on June 12, 2012. This species was listed as Larinus planus (Fabricius, 1792) by Bousquet et al. (2013) and is still reported as such on BugGuide.Net. Gültekin and Alonso-Zarazaga (2015) showed that the correct name is Larinus carlinae (Olivier, 1807)

Pseudopityophthorus asperulus (LeConte, 1868), new to Canada and Nova Scotia
Note. This species differs from the much more common Pseudopityophthorus minutissimus (C.C.A. Zimmerman, 1868) by being more slender, and having elytral striae with minute punctures in fairly definite rows. In P. minutissimus there is little evidence of strial rows (Bright 1976). Bright (1976) predicted this species might be found in NB as it is known from ME. Its presence in NS is not unexpected.

Hylastes opacus Erichson, 1836 †, new to Nova Scotia and Prince Edward Island
Note. Since its initial discovery in North America, in the state of NY in 1989 (Wood, 1992), this adventive Palaearctic species has rapidly extended its distribution and now occurs in several Canadian provinces and states in the United States. Note. Since its initial discovery in the USA (NY) in 1890 and in Canada (BC) in 1928, this highly polyphagous species has extended its range to more than 30 states and to ON, QC, and the Maritimes in Canada (Klimaszewski et al. 2010).

Xylosandrus germanus (Blandford, 1894) †, new to Prince Edward Island and New Brunswick
Note. This ambrosia beetle is native to Japan, Korea, the Kuril Islands, Vietnam, China, and Taiwan, and is adventive in Central Europe and North America. In Europe, it was first detected in Germany in 1951 and has spread to Austria, Belgium, France, Italy, and Switzerland (Ranger et al. 2010). It was first detected in North America in NY in 1932 and has since become established over much of the United States (Rabaglia et al. 2006). It was first reported in Canada from ON in 1987(Bright 1989. It is highly polyphagous, infesting several families of coniferous and broadleaf trees but prefers the latter. Common hosts include black walnut (Juglans nigra L.), American beech, and maples (Acer spp.) (Weber and McPherson 1983;Ranger et al. 2010). It typically colonizes stressed trees but can be a significant pest of tree nurseries (Olivier and Mannion 2001) and apple orchards (Agnello et al. 2017) in the United States. Adults are attracted to ethanol (Miller and Rabaglia 2009;Ranger et al. 2010).