Genus Acartomyia. 251 
GRABHAMIA DORSALIS. Meigen. 
Culex dorsalis. Meigen. 
(Mono. Culicid. IT., p. 16, 1901.) 
Additional localities—The banks of the Thames on the 
Hssex side. 
Notes.—In Vol. IT., p. 18, delete in line 18 “in the simple 
ungues.” The hind ungues are uniserrated. 
The larva has a short blunt siphon with a ventral row of 

Fig. 131. 
a, Larva of Culex pipiens; b, Larva of Grabhamia dorsalis. 
black curved spines, and a tuft of seven plumose bristles arising 
from one stem towards its tip in a line with the spines. The 
anal flaps are small; two much smaller than the others. 

Genus 25. ACARTOMYIA. nov. gen. 
(Plate XIII.) 
Allied to Culex and Grabhamia, but differing in cephalic 
ornamentation from Grabhamia and in the male palpi from Culew. 
Head clothed with flat irregularly-disposed scales all over, 
with patches of narrow-curved and numerous upright forked 
scales, giving the head a ragged appearance ; antennae scaly 
at the base, the joints in the male short and thick ; the second 
joint in the ? rather swollen. Palpi of the ? four-jointed, 
