Mosquito Systematics voz. 7(4) 1975 363 Psorophora (Janthinosoma) mathesoni, sp. nov. for “varipes ” of the Southeastern U.S.A.’

Coquillett (1904) had before him 5 females when he described Con&#&es varipes. When Stone and Knight (1955) examined Coquillett’s material they found 2 females bearing type labels, one from Mississippi, the other from Mexico. The latter, from Las Penas [now Puerto Vallarta, Jalisco] , Mexico, 7-18-03, A. Duges, bearing Coquillett’s determination label, was designated as the lectotype by Stone and Knight. Since the publication of the Mosquitoes of the Americas by Dyar (1928) the name varipes has been applied to the species of Psorophora from the U.S.A. which has the mesonotum with a broad longitudinal median stripe of dark scales bordered laterally by whitish scales and only the fourth segment of the hindtarsus white-scaled. On 15 August 1972 Bruce Knudsen collected a male of a species of Psorophora with the general characteristics of varipes near Novillero, Nayarit, Mexico. The junior author prepared a genitalia slide from this specimen and noted that the genitalia did not conform with those of “varipes ” from the Southeastern U.S.A. but appeared to be essentially identical with those of Psorophora (Janthinosoma) ferraroi Duret, 197 1, described from El Salvador and represented in our collection by 2 males from near Porto Somoza, Nicaragua. Nothing was done at this time because we believed that it would be better to wait until more material became available