﻿SOME ALASKAN SYRPHID FLIES — FLUKE 53 



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

 Chamberlin, 1944 and 1945 



Species 



Volucella bombylans var. plumata DeGeer. 



Didea fasciata Macquart 



Scaeva pyrastri Linnaeus 



Epistrophe imperialis Curran 



hunleri ? Cvirran 



menlalis Williston 



tarsatus Zetterstedt 



geniculatus Macquart 



m'grifacies Curran 



macularis Zetterstedt 



garretti Curran 



insolitus Osburn 



cinciellus Zetterstedt 



cinctus Fallen 



guttatus Fallen 



tenuis Osburn 



umbellatarum Schiner 



compositarum Verrall 



Syrphus ribesii Linnaeus 



ribesii var. jonesi Fluke 



torvus Osten Sacken 



vitripennis Meigen 



Metasyrphus laxus Osten Sacken 



perplexus Osburn 



luniger Meigen var 



neoperplexus Curran 



arcuatus Fallen 



lundbecki Soot-Ryen 



lapponicus Zetterstedt 



latifasciatus Macquart 



depressus Fluke 



curtus Hine 



nitidicollis Meigen 



amalopis Osten Sacken 



osburni Curran 



pacifica Lo vett 



limatus Hine 



Sphaerophoria nigritarsi Fluke 



robusla Curran 



Baccha obscuricornis Loew 



Pyrophaena granditarsis Forster 



Melanostoma pictipes Bigot 



squamulae ? Curran 



sp. 



Platycheirus clypeatus Meigen. 



scutatus Meigen 



angustalus Zetterstedt 



Number of 

 specimens 



Males Females 



10 

 2 



5 



29 



13 



1 



19 



2 



7 



5 



8 



40 



1 



1 



1 



13 



1 



3 



9 



19 



16 



3 



9 



19 



11 



1 



31 



