arr. 1, MOSQUITOES OF THE UNITED STATES—DYAR. 35 
and palpi. These parts are smooth, with ordinary vestiture; but 
the coloration throughout is as in cdlzata. 
The larvae and life habits are unknown. It may be an aberration 
of ciliata or a distinct species. 
Distribution—Southern States. 
United States Records. 
Trxas: Brownsville, August 28, 1916 (M. M. High). 
Georeia: Augusta, July 23, 1921 (S. F. Hildebrand). 
PSOROPHORA (PSOROPHORA) HOWARDII Coquillett. 
Psorophora howardii CoqutteTt, Can. Ent., vol. 3, p. 258, 1901. 
Psorophora virescens Dyar and Knap, Proc. Biol. Soc. Wash., vol. 19, p. 138, 
1906. 
A large brilliant blue or green mosquito. Mesonotum with smooth 
nude areas, a band of grayish white scales on the sides. Abdomen 
blue dorsally, the last two segments green in the female, venter black- 
ish scaled. Wings smoky. Legs dull yellowish, the ends of the 
tibiae with somewhat raised black scales, the tarsi black, with narrow 
white rings at the bases of the first two joints. 
The larvae are predaceous on other mosquito larvae occurring in 
ground puddles, generally Aédes, A. infirmatus being a common vic- 
tim. They seem to prefer shaded pools, where the other Psorophora 
are less common. 
Distribution —Central America, Mexico, and southern United 
States, Cuba. 
United States Records. 
MARYLAND: Piney Point, June 25, 1900 (T. Pergande). 
District oF CoLtumMBIA: Chain Bridge, August 2, 1908 (T. Pergande). 
NortH Carotina: Charlotte, June 16, 1916 (H. P. Barret). 
SourH CaroLtina: Hartsville. July 28, 1901 (C. Coker). 
FroripA: Miami, September 22, 1921 (G. F. Moznette). 
Tampa, March 18, 1905 (H. G. Dyar). 
Mississipp1: Sibley (A. Fleming). 
ARKANSAS: Scott (J. K. Thibault). 
Subgenus JANTHINOSOMA Lynch Arribalzaga. 
PSOROPHORA (JANTHINOSOMA) SAYI Dyar and Knab. 
Culer musicus Say (not Leach), Journ. Acad. Nat. Sci. Phila., vol. 6, p. 
149, 1827. 
Culex posticatus CoquitteTr (not Wiedemann), U. S. Dept. Agr., Div. 
Ent., Circl. 40, ser. 2, p. 6, 1900. 
Janthinosoma discrucians Gites (not Walker), Gnats or Mosgq., ed. 2, p. 
339, 1902. 
Janthinosoma mexicanum BLANCHARD (not Bellardi), Les Moust., p. 234. 
1905, 
