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PROCEEDINGS OF THE NATIONAL MUSEUM 



Table 1. — Syrphidae Collected in Rotary Trap at Matanuska, Alaska, by J. C. 

 Chamberlin, 1944 o.nd 1945 — Continued 



Species 



Number of 

 specimens 



Males Females 



Platycheirus scambus Staeger 



albimanus Fabricius 



modestus Ide 



nodosus Curran 



peltatoides Curran 



bigelowi Curran 



spp 



Pheilosia bigelowi Curran 



florella ? Shannon 



sp 



Cartosyrphus sialia var. 



alpinensis Fluke and Hull 



platycera Hine 



tristis Loew 



Cipiza nigripilosa Williston 



Cnemodon sp. new? 



Neoascia metallica Williston 



Brachyopa sp 



Ferdinandea nigripes Osten Sacken 



Temnostoma venustum Williston 



Sericomyia militaris Walker 



Zelima (Heliophilus) naknek Hine 



Ontario Curran 



americana Shannon 



subfasciata Loew 



flavifrons ? Walker 



flavitibia Bigot 



vecors Osten Sacken 



Helophilus borealis Staeger -__ 



obscurus Loew 



neoaffinis, new species 



groenlandicus O. Fabricius 



intentus Curran and Fluke 



alaskensis, new species 



Parhelophilus obsoletus Loew 



Lejops perfidiosus Hunter 



lunulatus Meigen 



Eurhimyia stipatus Walker 



Polydoniomyia curvipes Wiedemann 



Tubifera (Eristalis) avtfiophorinus Fallen. 



compactus Walker 



hirtus Loew 



obscurus Loew 



bar da Say 



{'=flavipes Walker). 



sp 



Total 



1 

 1 

 10 

 1 

 1 

 1 



7 



2.3 



5 



10 

 2 



206 



U. S. GOVERNMENT PRINTING OFFICE: 1949 



