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American Midland Naturalist Monograph No. 3 



white scales; a narrow nude stripe present between the median stripe and sub- 

 median lines; a broader nude area present on either side of the prescutellar 

 space (prescutellar space white-scaled, bisected partially or entirely by a median 

 gold stripe). Abdomen: Tergites pale yellow to brown scaled, the pale scales 

 predominating dorsally, the brown laterally; stemites primarily white scaled. 

 Legs: Femora yellow scaled, speckled with dark, except for apical portion of 

 each, which is densely clothed with long dark erect scales; tibiae each with a 

 narrow ring of yellow appressed scales basally, remainder clothed with long 

 dark erect scales. Tarsi of fore and middle legs clothed with appressed scales; 

 segments 1 to 3 pale basally, dark apically; segments 4 and 5 entirely dark. 

 Each segment of hind tarsus with a ring of pale appressed scales basally. Scales 

 beyond basal ring long, dark, erect on segments 1 and 2, dark, recumbent on 

 segments 3 to 5 (Fig. 67A). Wing: Scales narrow, dark; a few inconspicuous 

 pale scales distributed on costa and subcosta. 



ADULT MALE. — Coloration similar to that of female. TERMinalia (Fig. 

 67B). Ninth tergite (IX-T) with well-separated, rounded lobes (IXT-L) 

 bearing numerous setae. Tenth sternite (X-S) prominent, heavily sclerotized. 



Fig. 67. Psorophora ciliata (Fabricius). A, Hind leg. B, Male terminalia. 



