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Habitat of Saperda populnea lapponica ssp. n., Trysil: Ljørdalen, Norway with an accumulation of downy willow (Salix lapponum L.) on a boreal and elevated boggy meadow.
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Gene tree from strict clock analysis with Beast of a 5-prime end fragment of mitochondrial cytochrome oxidase subunit I (the animal Barcoding fragment). Numbers at nodes are posterior probability values, only given for nodes >0.5. Scale bar = expected number of substitutions per site.
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Gene tree from strict clock analysis with Beast of a 3-prime end fragment of mitochondrial cytochrome oxidase subunit I. Numbers at nodes are posterior probability values, only given for nodes >0.5. Scale bar = expected number of substitutions per site.
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Body lengths of males and females of Saperda populnea populnea (Linnaeus, 1758) and S. populnea lapponica ssp. n. Y-axis in mm. *=significant according to a non-parametric Wilcoxon rank sum test.
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Body shape measured as the ratio of total body length to maximum body width of males and females of Saperda populnea populnea (Linnaeus, 1758) and S. populnea lapponica ssp. n. No significant difference between the subspecies of the same sex according to a non-parametric Wilcoxon rank sum test was found.
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Habitus (dorsal view). a ♀ Saperda populnea populnea (Linnaeus, 1758), Knutby (Uppland), Sweden, 13.5 mm b ♀ S. populnea lapponica ssp. n., Ljørdalen, Norway, 12.5 mm c ♀ S. populnea lapponica ssp. n., Kiruna (Lappland), Sweden, 12,0 mm d ♂ S. populnea populnea, Uppsala (Uppland), Sweden, 11.5 mm e ♂ S. populnea lapponica ssp. n., Ljørdalen, Norway, 10.5 mm f ♂ S. populnea lapponica ssp. n., Kiruna (Lappland), Sweden, 10.0 mm. Scale bar 10 mm.
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Habitus (dorsal view). aHT ♂ S. innotatipennis Pic, 1910, 10.0 mm (photo: a Taghavian,
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Habitus (lateral view). a Saperda populnea populnea (Linnaus, 1758), Stockholm, Nacka (Södermanland), Sweden (photo: Karsten Sund) b S. populnea lapponica ssp. n., Kiruna (Lappland), Sweden (photo: Karsten Sund).
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Frons. a ♀ Saperda populnea populnea (Linnaeus, 1758), Knutby (Uppland), Sweden b ♀ S. populnea lapponica ssp. n., Kiruna (Lappland), Sweden.
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Aedeagi (a–d dorsal view e–f lateral view), parameres with median lobes (g–j dorsal view k–l lateral view), sclerite inside internal sac (m–n) and tergite VIII in males (o–q). a Saperda populnea populnea (Linnaeus, 1758), Joensuu, Finland b S. populnea populnea, Umeå (Västerbotten), Sweden c S. populnea lapponica ssp. n., Ljørdalen, Norway d Soppero (Lappland), Sweden e S. populnea populnea Joensuu, Finland f S. populnea lapponica ssp. n., Silkimuotka, Finland g Saperda populnea populnea (Linnaeus, 1758), Släp (Halland), Sweden h S. populnea populnea, Sillre (Medelpad), Sweden i S. populnea lapponica ssp. n., Ljørdalen, Norway j S. populnea lapponica ssp. n., Kittelfjäll (Västerbotten), Sweden; k: S. populnea populnea, Uppsala (Uppland) l S. populnea lapponica ssp. n., Enontekiö, Finland m Saperda populnea populnea (Linnaeus, 1758), Uppsala, Sweden n S. populnea lapponica ssp. n., Kiruna, Sweden o Saperda populnea populnea (Linnaeus, 1758), Uppsala, Sweden p S. populnea lapponica ssp. n., Trysil: Ljørdalen, Norway q S. populnea lapponica ssp. n., Kiruna, Sweden.
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Hind wings. a ♀ Saperda populnea populnea (Linnaeus, 1758) reared from Populus tremula L., Uppland, Knivsta, Sweden. A AP vein B AA vein C CuA vein D AA3+4 vein E CuA3+4 vein F Mp4 vein G Mp3 vein H medial spur vein I RA vein J MP vein K radial cell L RP-MP vein b ♀ Saperda populnea lapponica ssp. n. reared from Salix lapponum L., Trysil: Ljørdalen Norway c ♀ Saperda populnea lapponica ssp. n. reared from Salix lapponum L., Luleå Lappmark, Gallugas 20 km W. Kiruna, Sweden. Scale bar 10 mm.
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Host tree attacks. a extensive attacks of Saperda populnea lapponica ssp. n., on the entire stem and branches of Salix lapponum L. from Trysil: Ljørdalen, Norway b three adjacent attacks, including an exit hole, of Saperda populnea lapponica ssp. n., on a stem of Salix lapponum L. from Gällivare (Lappland), Sweden c single attacks, including exit holes, of Saperda populnea populnea (Linnaeus, 1758), on a stems of Populus tremula L. (beetles emerged at top: male, bottom: female), from Knivsta (Uppland), Sweden.
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Distribution of records mainly from Fennoscandia. Open circles: Saperda populnea populnea (Linnaeus, 1758) and black dots: S. populnea lapponica ssp. n.
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Subspecies of Saperda populnea (Linnaeus, 1758) fall in the grey zone under the unified species concept. Adapted from