236 
Psyche 
[September 
7. Anal segment ringed by the dorsal plate, with hair 
tufts piercing the ring Psorophora 
Anal segment not ringed by the dorsal plate or if 
ringed, the hair tufts posterior to the ring Aedes 
Table to Species of Theobaldia 
Adults 
1. Tarsi with faint whitish rings at both ends of joints 
morsitans 
Tarsal white rings, if present, basal 2 
2. Scales of the wings all black or brown, no white scales 
impatiens 
Scales of the wings mixed, black or brown or white, 
especially along the costal margin inornata 
Larvae 
1. Pecten of the air tube produced into long hairs on 
the outer half 2 
Pecten not produced into long hairs on outer half 
morsitans 
2. Both pairs of head hairs multiple (6) and of about 
equal length impatiens 
Lower head hairs of three or four long hairs; upper 
multiple and shorter than the lower head hair 
inornata 
Table to Species of Anopheles 
Adults 
1. Wings with white or yellowish white spots along costal 
margin punctipennis 
Wings without such marking 2 
2. A bronzy or coppery spot at apex of wing maculipennis 
