U TIIK CANADIAN KNTOMOMKJI8T. 



the thorax. Body gray pruinose. thinnest on the tnesonotum. Hind 

 tibia' with three or four |)aiTs of bristles on the outer side, ^\'ings grayish, 

 apical third of the first vein bristly. Length, 6 mm. 



Castle Rock, Pennsylvania. Four male specimens, collected April 

 17, 1908, by Mr. H. S. Harbeck. Type No. 12768, U. S. National 

 Museum. 



/'itrrtZ/f/omma Jlavovaria, new species. 



Yellow, an ocellar spot, the thorax, except an interrupted villa 

 beginning on the humeri and extending above the wing, the scutellum, the 

 first segment of the abdomen and bases of the other segments, broadest 

 on the second segment and becoming successively narrower on each suc- 

 ceeding segment, black ; on the second segment the black colour is 

 prolonged backward in the middle, while on the remaining segments it is 

 narrowest in the middle of the segments. Antenna? nearly as long as the 

 face, the third joint over three times as long as the second, rather broad, 

 artista bare, thickened on the basal third. Front over twice as wide as 

 either eye. Body thinly gray i)ruinose. Wings hyaline, shaded with gray 

 along the costa and the hind cross-vein. Venter black, the hind margin of 

 the segments yellow. Hind tibi.ne bearing outwardly three or four pairs of 

 brisile.s. Lenglh, 5 mm. 



(llensidf. Pennsylvania. .\ female specimen tollecled .April 21, 

 1907, by Mr. C. '1'. (ireen. Type No. 12769, U. S. National Museum. 



PUthochiCta atn'/rons. new species. 



Black, the lialieres and legs, except bases of cox;e, yellow. Antenna; 

 two-thirds as long as the face, the third joint oblong, less than twice as 

 long as broad, rounded at the apex, arista pubescent, thickened on the 

 basal third. Body gray pruinose. Front femora with several bristles and 

 with a row of black spines on the under side of the median third. Wings 

 yellowish hyaline, the veins yellow, bare. Length, 6 mm. 



Wliite Mts., New Hamjishire. \ male specimen collected by the 

 late H. K. Morrison. Type No. W770, U. S. National Museum. 



I'amily Oscinida*. 

 Chlorops ( Diplotoxa) ni^ripa, new species. 



Near versicolor, but readily distinguished by the black legs. 

 .\nlenn:»' black, the base of the third joint yellow, third joint ovate, about 

 one and one-half times as long as wide, the lower side rounded, the u|)per 

 nearly straight ; arista while, the base yellow; head yellow, frontal triangle 

 polished black, almost reaching lower end of the front, its sides nearly 



