258 THE CANADIAN ENTOMOLOGIST. 



I am under obligations to Prof.C. P.Gillette, for the use of the material 

 in the coll. Colo. Agr'l College ; to Mr. W. H. Ashmead, for the loan of 

 specimens from the U. S. Nat. Museum, and from his own collection ; to 

 Prof. Osborn, for specimens loaned me from Ohio University collection; 

 and to Prof. Cockerell and Mr. W. J. Fox, for determinations and other 

 favours. 



THREE NEW SPECIES OF CULICID^. 



BY D. W. COQUILLETT, WASHINGTON, D. C. 



During his extensive investigation of the mosquitoes of this country, 

 Dr. L. O. Howard encountered three apparently new forms, and in order 

 that these may be referred to intelligently in his correspondence and 

 otherwise, he has instructed the writer to name and characterize them in 

 one of our entomological journals. The descriptions are therefore offered 

 herewith : 



Psorophora Howardii, new species. 



Male. — Head black, upper half of occiput covered with appressed 

 white scales, except a narrow median stripe, hairs black ; first joint of 

 antennae yellow, second joint black, its extreme base yellow, the two 

 terminal joints black, remainder of antennae alternate black and whitish, 

 the plumosity black changing to whitish at the tips ; mouth-parts black, 

 base of third joint of palpi yellow, palpi covered with violet-purple 

 appressed scales, the last joint narrower than the preceding, tapering to 

 the apex, its hairs sparse and very short, the penultimate joint and apical 

 fifth of the preceding bearing many rather long hairs ; body black, the 

 humeri yellow, pleura and sides of mesonotum bearing many appressed 

 white scales, abdomen on upper side covered with appressed violet-purple 

 scales, those on the first segment and a (c\v at the hind angles of some of 

 the other segments white ; wings hyaline, first basal cell much longer 

 than the second, petiole of first submarginal cell subequal in length to the 

 cell ; femora yellow, the apices black and on the under side fringed with 

 rather long, narrow, nearly erect scales, remainder of femora thinly 

 covered with appressed violaceous scales ; front and middle tibiae yellow, 

 their apices brown, thinly covered with appressed violaceous scales, hind 

 tibiae brown, the extreme bases yellow, covered with appressed violet- 

 purple scales interspersed with many suberect brown ones ; tarsi brown, 

 the first joint, except its apex, and the base of the second yellow; claws 



