﻿SOME ALASKAN SYRPHID FLIES FLUKE 



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Figure 10. — a, b, Episirophg hunterU Curran, head of male; c, Metasyrphus perplexus 

 (Osburn), var., head of male; d, M. neoperplexus (Curran), head of male; e, M. neoperplexus 

 (Curran), genitalia;/, M. neoperplexus (Curran), abdomen of male; g, M. lundbecki (Soot- 

 Ryen), head of female; h, M. lundbecki (Soot-Ryen), abdomen of female; i, M. lundbecki 

 (Soot-Ryen), head of male; /, Sphaerophoria nieritarsi Fluke, genitalia; k, Chrysogaster 

 alaskensis Shannon, genitalia; /, C. alaskensis Shannon, wing; m, C. versipellis (Williston), 

 genitalia; n, C. nigripennis (Williston), genitalia; o, C. versipellis (Williston), head of male; 

 p, C. alaskensis Shannon, head of male; q, C. nigripennis (Williston), head of male. 



