300 
A Monograph of Culicidae. 
narrower and a little longer than the second posterior cell, their 
bases nearly level, their stems equal, both very short; posterior 
cross-vein nearly its own length distant from the mid cross-vein. 
Halteres pale ochraceous. Legs yellowish-brown, pallid, with 
long hairs; ungues of the 9 equal and simple. 
Length .—6 mm. 
Habitat. —Europe. 
Observations .—As far as general appearances go this species 
resembles G. culiciformis, but it can at once be separated by the 
posterior cross-vein being distant from the mid cross-vein, whilst 
in C. culiciformis it is level with the mid cross-vein. 
9. Corethra Maniliensis. Schiner. 
(Reise der Novara Diptera, p. 30.) 
“ Head yellow; antennae yellow, with black rings; plumes pale 
brownisli-yellow, palpi clear yellow. Pale reddish-yellow on the thorax, 
with three darker coloured longitudinal stripes, the middle one diffuse in 
front, clearly defined behind; scutellum with a clearer median line. 
Abdomen shiny, with delicate long hairs, the last two segments brownish. 
Legs pale yellow, almost white, the tibia fringed with long fine hairs. 
Wings yellowish, with tawny-yellow veins, which are thickly fringed; 
fork of the marginal veins longer than that of the discoidal veins. 
“ Length .—2 lines. 
“ Habitat. —Manila.” 
Note. —Compiled from Schiner’s description. 
10. Corethra rufa. Zetterstedt. 
(Ins. Lapponica, 808.) 
“ Rufous, with obscure brown marks on the thorax, dorsum of 
abdomen fuscous ; legs yellow. 
“ ?. Like C. plumicornis, F., but entirely fusco-testaceous. Thorax 
with a double median stripe and an ovate spot on each side, of a bright 
brown colour; abdomen fuscous above, with a median testaceous line at 
the base, sometimes extending beyond the middle, pubescent; venter 
pale. Legs yellow, apices of the femora, tibiae and tarsi fuscous, some¬ 
times spotless. Wings pale, with villous veins; halteres pale. 
“ Length .—3 lines. 
“ Habitai. —Lapland.” 
Observations .—There seem to have been no recent records of 
this species. 
