OF WASHINGTON. 45 
4. Clasp inflated, lobed, irregular, apparently erectile Wyeomyia 
Clasp broad, simple, with minute apical spine Uranotcenia 
5. Clasp enlarged, clawed, hirsute on the outer aspect Deinocerites 
Clasp slender, bifurcate, arising subapically Aedes v 
6. Harpes filamentous or papillose, slender, delicate 7 
Harpes not filamentous, chitinous or spined 1 1 
7. Harpes filamentous; unci reduced or invisible 8 
Harpes papillose-capitate ; unci an undivided basal cone, Janthinosoma 
8. Harpes broadened at base, not jointed; outer lobe of side piece finger- 
shaped Protoculex 
Harpes not broad at base, jointed centrally 9 
9. Side piece with a heavy terminal brush; harpes hooked. . . Pseudoculex 
Side pieces without terminal brush '. 10 
10. Harpes hooked by a slender retrorse spine Culiselsa \ 
Harpes not hooked Grabhamia 
1 1 . Clasp with an outward angle and spines ; harpes touching to form a 
ring-shaped structure Psorophora 
Without these characters; clasp simple 12 
12. Terminal clasp expanded, narrow bladder-like 13 
Terminal clasp filamentous 14 
13. Basal lobe of side piece setose Feltidia 
Basal lobe of side piece a thick chitinous rod Coquillettidia 
1 4 . vSide piece with a subapical process within bearing setae and filamentous 
or leaf -like appendages 20 
Side piece without such a process 15 
1 5 . Clasp with the articulated tip subterminal Ecculex 
Clasp with the articulated tip terminal 16 
1 6. Side pieces short conical; harpes with long branch at base, Stegomyia 
Side pieces long conical ; harpes not so branched 17 
17. Harpes with trifid apex; tip of clasp multiple divided .... Pneumaculex 
Harpes with simple or spinous apex 18 
1 8. Appendicular tip of clasp long Megarhinus 
Appendicular tip of clasp minute 19 
19. Unci not forming a central projecting sac Theobaldia 
Unci united into a large central projecting sac Culicella 
20. Harpes nearly simple, dentate only 21 
Harpes heavily spined, often recurved Culcx 
2 1 . Leaf-like scale of apical lobe of side piece absent Neoculex 
Leaf-like scale present; setae arising from a second, basal lobe 
Melanoconion 
Genus ANOPHELES Meigen. 
Type: bifurcatus Linn. The genitalic type has been figured 
by Theobald and Felt. Nine species are recorded from North 
America, viz: maculipennis Meig., plumbeus Hal., bifurcatus 
Linn., punctipennis Say, pseudopunctipennis Theob., francisca- 
nus McC., barber i Coq., crucians Wied., eiseni Coq. 
