THE CANADIAN ENTOMOLOGIST. 311 



Measurements of allotype: Length .84 mm.; head, length .102 

 mm., width ,168 mm.; prothorax, length .090 mm., width .196 mm.; 

 mesothorax, width .252 mm.; abdomen, width .228 mm. 



Described from three females and one male, taken near Chevy 

 Chase Lake, Maryland, July 6, 1913, by W. L. McAtee, on the 

 under surface of leaves of a tulip tree {Liriodendron kdipifera L.) ; 

 and from one female collected at Parker, Illinois, July 14, 1909, by 

 C. A. Hart, on the same food plant. 



Type locality: Chevy Chase Lake, Maryland. 



The abdominal sculpture is almost identical with that of H. 

 phaseoli, figured by the writer in Psyche, Vol. xix. No. 4, plate 8, 

 fig. c, August, 1912. From that species it may be known by the 

 broader head, the much darker color of the body, the details of 

 wing coloration, and the stout black spines on the fore wings at the 

 junction of the two principal veins. 



ANOTHER RED SPECIES OF THE GENUS OLIGOSITA. 



BY J. C. CRAWFORD, WASHINGTON, D. C. 



Oligosita giraidti, new species. 



Female. — Length about 0.5 mm. Brilliant vermilion, includ- 

 ing marginal and stigmal veins of fore wings and marginal vein of 

 hind wings; the femora and hind tibiae red, the red color decreas- 

 ing apicad on legs and the rest of legs testaceous; submarginal 

 vein with a bristle at middle, and one at apex of vein, near base 

 of marginal vein a short one followed by two longer ones, then one 

 or two shorter ones and a long at apex of vein, fore wings with no 

 discal cilia; marginal cilia at apex of wing slightly longer than 

 width of wing; fumated spot in under stigmal knob distinct; 

 stigmal knob almost circular but with a projection apicad; pedicel 

 about as long as the funicle joint, about as long as middle seg- 

 ment of club which is longer than either the first or third joints; 

 base of abdomen with a whittish band, more or less suffused with 

 reddish and occupying about one-fourth of the abdomen. 



Type locality: St, Clair Experiment Station, Trinidad. 



