496 
A Monograph of Culicidae. 
Yerrallina (?) insolita. Coquillett (1906). 
Canad. Entomo. XXXVIII., 62 (1906).- 
“ Proboscis and palpi black scaled; occiput white scaled 
around the edge, yellow scaled in the centre and with a pair of 
black scaled spots on the upper half. Thorax black scaled in 
the middle, the sides in front of the wings broadly and spots on 
the pleura, white scaled. Abdomen black scaled, with a tinge 
of purple, middle of venter, except on the broad apices of the 
last four segments, white scaled extending outwards considerably 
on these segments. Legs black scaled, the under side of the 
front and mid femora towards the base and the whole of the hind 
femora, except the base and a broad band beyond the middle, 
white scaled ; narrow bases of first three joints of the front and 
mid tarsi, both ends of the first joint and base of the second 
joint of the hind tarsi white scaled ; claws of front and mid tarsi 
toothed ; hind equal and simple. Wings hyaline, scales brown. 
Length .—Nearly 4 mm. 
Habitat. —Trinidad, W. Indies. 1 9 Coll. F. W. Urich. 
Dyar and Knab give £ Tehuantepec, Salina Cruz, Almoloya, 
Mexico ; Sonsonate, Salvador and Puntarenas, Costa Pica.’ ,J 
Observations .—Clearly not coming in this genus. Dyar and 
Knab refer it to Aedes. The larvae were all found in trees 
except in one instance. At Tehuantepec they were in a cemented 
tank in a shaded part of the garden at a public bath-house. 
(F. Y. T.). 
Yerrallina (?) laternaria. Coquillett (1906). 
Proc. Ent. Soc. Wash. VII., 4, p. 184 (1906). 
Note .—I have not seen this species. Dyar and Knab refer it 
to Aedes, and say the larvae were collected by Mr. Busck in a 
hollow tree in Trinidad. 
