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Wisconsin Academy of Sciences, Arts, and Letters. 
fig. 45. 
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PLATE VI 
Syrphus xanthostomus: abdomen of female. 
Xanthogramma aenea: antenna of female. 
X. imarginata: antenna of female. 
X. fragila n. sp.: profile of male. 
X. fragila: abdomen of female. 
Mesogramma geminata: hind leg of male. 
M. geminata: hind leg of female 
M. geminata: wing of male. 
M. marginata: wing of female. 
M. marginata: hind leg of male. 
M. marginata: hind leg of female. 
Sphaerophoria cylindrica: profile of head and thorax of male. 
S. scripta: tip of abdomen of male from side. 
Rhyngia nasica: head of female. 
Brachyopa notata: head of female. 
Volucella evecta: antenna. 
Eristalis tenax: antenna. 
E. meigenii: middle tibia and tarsus. 
E. meigenii: wing. 
E. arhustorum: abdomen of male, showing yellow areas (white 
portion) opaque bands (solid black) and shining portions 
(stippled area). 
E. art)ustorum: female. 
E. arbustorum: middle tibia and tarsus. 
E. flavipes: antenna. 
Tropidia quadrata: antenna. 
Helophilus latifrons: antenna. 
H. latifrons: head of male from above. 
H. similis: head of male from above. 
H. ot)seurus: head of male. 
H. hruesi: head of female. 
H. chrysostomus: hind leg of male. 
H. chrysostomus: abdomen of female. 
H. Mlinearis: abdomen of male. 
H. bilinearis: abdomen of female. 
H. lunulatus: head of male. 
H. lunulatus: abdomen of male. 
H. conostomus: head of male. 
Syritta pipiens: hind leg. 
Xylota angustiventris: face of female. 
X. suhfasciata: abdomen of male. 
Somula decora: face of male. 
Spilomyia fusca: antenna. 
S. quadrifasciata: antenna. 
