DIPTERA. 427 
Fam. CULICIDA, Haliday. 
Genus CULEX, Linn. - 
CuLex contERRENS, Fem. 
Fusea ; proboscis et palpi fulva, apice nigra; antenne nigre, basi 
fulve ; thorax vitta dorsali testacea ; pectus testaceum ; pedes fulvi, 
' robusti, femoribus tibiisque apice nigricantibus, tarsis nigricantibus 
albido fasciatis ; ale subcineree apud costam fuscescentes. 
Brown. Proboscis and palpi tawny, with black tips. Proboscis 
stout, straight, pubescent, as long as the head and the thorax. Antenne 
black, tawny at the base. Thorax with a testaceous dorsal stripe. Pec- 
tus testaceous. Abdomen wanting. Legs tawny, pubescent, very stout; 
tips of the femora and of the tibie blackish ; tarsi blackish, with whitish 
bands. Wings grayish, brownish towards the costa; veins brown. 
Length of the body 4? lines; of the wings 6 lines. 
United States. 
Cucex souticivans, Fem. 
Nigra, cervino tomentosa ; proboscis testacea, apice nigra ; antenne basi 
testacee ; thorax nigro bivittatus ; latera et pectus albida ; abdomen 
maculis lateralibus nigris quadratis ; pedes graciles, tarsis nigris 
albo cinctis; ale subcinerea, venis testaceis nigro hirtis ; halteres 
lestacei apice fusci. 
Black, with fawn-coloured tomentum. Proboscis long, slender, 
curved, testaceous, black towards the tip. Antenne black, testaceous at 
the base. Thorax with two black stripes; sides and pectus whitish. 
Abdomen with two lateral black quadrate spots on each segment; the 
two apical segments with narrower spots. Legs slender; tarsi black, 
with white bands. Wings grayish; veins testaceous, fringed with 
minute black hairs. Halteres testaceous, with brown knobs. Length of 
the body 8 lines; of the wings 5 lines. 
United States, 
