Family;Species;"WIP present";"Number of specimens examined" Cylindrotomidae;"Cylindrotoma distinctissima (Meigen, 1818)";yes;69 Cylindrotomidae;"Diogma glabrata (Meigen, 1818)";yes;7 Cylindrotomidae;"Liogma nodicornis (Osten Sacken, 1865)";yes;44 Limoniidae;"Eugnophomyia luctuosa (Osten Sacken, 1860)";yes;3 Limoniidae;"Gnophomyia tristissima Osten Sacken, 1860";yes;67 Limoniidae;"Gnophomyia cockerelli Alexander, 1919";yes;29 Limoniidae;"Molophilus pubipennis Osten Sacken, 1860";yes;32 Limoniidae;"Ormosia romanovichiana Alexander, 1953";yes;60 Limoniidae;"Dactylolabis cubitalis (Osten Sacken, 1869)";yes;18 Limoniidae;"Epiphragma fasciapenne Say, 1823";yes;123 Limoniidae;"Limnophila macrocera (Say, 1823)";yes;78 Limoniidae;"Dicranomyia liberta Osten Sacken, 1860";yes;113 Limoniidae;"Dicranoptycha sobrina Osten Sacken, 1860";yes;82 Limoniidae;"Elephantomyia westwoodi westwoodi Osten Sacken, 1869";yes;107 Pediciidae;"Pedicia albivitta Walker, 1848";yes;26 Pediciidae;"Tricyphona calcar (Osten Sacken 1860)";yes;12 Pediciidae;"Tricyphona degenerata Alexander, 1917";yes;3 Pediciidae;"Tricyphona immaculata (Meigen, 1804)";yes;18 Pediciidae;"Tricyphona inconstans (Osten Sacken 1860)";yes;92 Pediciidae;"Ula elegans Osten Sacken, 1869";yes;24 Tipulidae;"Phoroctenia vittata angustipennis (Loew, 1872)";yes;3 Tipulidae;"Tanyptera dorsalis (Walker, 1848)";yes;20 Tipulidae;"Dolichopeza carolus Alexander, 1940";yes;61 Tipulidae;"Dolichopeza dorsalis (Johnson, 1909)";yes;7 Tipulidae;"Dolichopeza johnsonella (Alexander, 1931)";yes;8 Tipulidae;"Dolichopeza obscura (Johnson, 1909)";yes;48 Tipulidae;"Dolichopeza polita polita (Johnson, 1909)";yes;4 Tipulidae;"Dolichopeza tridenticulata Alexander, 1931";yes;47 Tipulidae;"Brachypremna dispellens (Walker, 1861)";yes;87 Tipulidae;"Holorusia hespera Arnaud & Byers, 1990";no;41 Tipulidae;"Nephrotoma ferruginea (Fabricius, 1805)";yes;70 Tipulidae;"Nephrotoma macrocera (Say, 1823)";yes;106 Tipulidae;"Nephrotoma eucera (Loew, 1863)";yes;97 Tipulidae;"Nephrotoma virescens (Loew, 1864)";yes;89 Tipulidae;"Tipula (Arctotipula) williamsiana Alexander, 1940";no;55 Tipulidae;"Tipula (Beringotipula) borealis Walker, 1848";yes;43 Tipulidae;"Tipula (Beringotipula) coloradensis Doane, 1911";yes;75 Tipulidae;"Tipula (Lunatipula) atrisumma Doane, 1912";yes;51 Tipulidae;"Tipula (Lunatipula) duplex Walker, 1848";yes;101 Tipulidae;"Tipula (Lunatipula) valida valida Loew, 1863";yes;47 Tipulidae;"Tipula (Pterelachisus) trivittata Say, 1823";yes;106 Tipulidae;"Tipula (Trichotipula) oropezoides Johnson, 1909";yes;78 Tipulidae;"Tipula (Vestiplex) longiventris Loew, 1863";yes;21 Tipulidae;"Tipula (Yamatotipula) sayi Alexander, 1911";yes;52 Tipulidae;"Tipula (Yamatotipula) tricolor Fabricius, 1775";yes;49 "Total number of specimens examined:";2373