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THE CANADIAN ENTOMOLOGIST. 



Chironomus brunneus, Hudson's R. 



" pellucidas '' 



Tanypus decedens " 



Ceratopogon transiens " 



" parvus " 



" obscurus " 



Asthenia americana " 



Lasioptera parva " 



Cecidomyia spongivora " 

 Psychoda degenera " 



Pedicia albivitta, Nova Scotia. 



" contermina " 

 Limnobia simulans, Hudson's Bay. 



" badia, Nova Scotia. 



" cana, Hudson's Bay. 

 Tipula triplex, Nova Scotia. 



" duplex 



" borealis 



" maculipennis 



" frigida 



" dorsimacula 



" alterna 



Ptychoptera metallica, 

 Hesperinus brevifrons " 



Bittacomorpha clavipes, N. S. 

 Anisomera longicornes, Hudson's B. 

 Chionea aspera " 



Trichocera bimacuia, Nova Scotia. 

 Asindulum tennipes, Hudson's Bay. 

 Diomonus nebulosus " 



Sciophila rufilatera " 



Leja unicolor '* 



" varia " 



" trifaciata " 



Mycetophila bifasciata " 



" propinciua, Nova Scotia 



" contigua 



lata 



Hudson's B. 



Mycetophila parva, Hudson's Bay. 

 " plebeja " 



" obscura " 



" despecta " 



Sciara exigua 



a 

 a 

 (t 

 ci 

 It 



a 







" robusta 



" atrata 



" perpusilla 



' ' polita 



'■' abbreviata 



Simulium decorum 

 " invenustum 



Scatopse nitens 

 " obscura 

 " pusilla 

 Arthria analis 

 Penthetria atra 

 Dilophus serraticollis 



" fulvicoxa 

 Bibio humeralis, Nova Scotia. 

 " scita 

 " vestita 

 " fumipennis, Hudson's Bay. 

 " striatipes " 



" gracilis, Nova Scotia. 



Fai\i. n. Xylophagi. 



Beris quadridentata, Hudson's Bay. 

 Xylophagus fasciata " 



Fam. hi. Tabanii. 



Tabanus calens. Nova Scotia. 

 " Tarandi, Hudson's Bay. 

 " flavipes, Nova Scotia. 

 " affinis, Hudson's Bay. 

 " zonalis " 



" melanocerus " 



