Fluke—Syrphidae of Wisconsin. 
251 
Fig. 1. 
Fig. 2. 
Fig. 3. 
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Fig. 5. 
Fig. .6. 
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Fig. 8. 
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Fig. 10. 
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Fig. j21. 
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EXPLANATION OF PLATES 
PLATE V 
Microdon tristis: Scutellum (redrawn after Metcalf). 
M. tristis: antenna (redrawn after Metcalf). 
M. globosus: antenna (after Williston). 
Chrysotoxum pubescens: head of female. 
Chrysogaster nigripes: antenna. 
G. nitida: wing. 
G. nitida: antenna. 
G. pictipennis: wing. 
G. pictipeinnis: head of female. 
C. pulchella: wing. 
G. pulchella: head of female. 
Pipiza calcarata: hind leg, a. “coxal process.” 
P. salax?: head of male. 
P. radicum ; antenna. 
P. pisticoides: antenna. 
Paragus bicolor: wing. 
P. bicolor: antenna. 
P. tibialis: antenna. 
P. tibialis: wing. 
Ghilosia prima: face of male. 
G , cyanescens: face of male. 
Baccha lemur: side of face of male. 
B. fascipennis Wied.: abdomen of female. 
Pyrophaena granditarsis: abdomen of female. 
P. granditarsis: front tibia and tarsi of male. 
P. rosarum var.: abdomen of male. 
Platychirus immarginatus: front leg of male. 
P. peltatus: front leg of male. 
P. perpallidus: front leg of male. 
P. quadratus: middle leg of male. 
P. scambus: front leg of male. 
P. species?: front leg of male. 
P. species?: middle leg of male. 
Melanostoma obscurum: face of male. 
M. angpistatum: abdomen of female. 
M. mellinum: abdomen of female. 
Syrphus fisherii: 1st and second segments of abdomen of female. 
S. fisherii: 1st and second segments of abdomen of male. 
5. sp. no. 1: profile of face of male. 
6. arcuatus: wing. 
S. perplexus: wing. 
$. sp. no. 2: abdomen of male. 
S. nitens: antenna. 
S. knabi: antenna. 
