OF WASHINGTON, VOLU.MK XVI, 1014 10o 



varies from 13 to 15 and in males from 20 to 22. The si/e ;il>-> 

 varies considerably, the smallest males being about 2 mm. long 

 and the largest females about 3 mm. 



The material examined consists of nearly a hundred speci- 

 mens from Illinois, Massachusetts, California, Nevada, Florida, 

 West Virginia, Ohio, New York, and the District of Columbia 

 together with a number of unlabeled specimens and three from 

 Europe. Many of these were reared from such hosts as 

 kuehniella, E. elutella, Plodia interpundella, and (.'ulli-r/u 

 nella. 



Habrobracon variabilis n.sp. 



Female: Length 3 mm. Face and orbit yellow, this color triangularly 

 extended inward behind the ocelli from each side so that the dark spot in 

 which are located the ocelli is nearly separated from the dark occipital 

 spot; antenna? 21-jointed, black, stoiit, tapering toward the apex, the 

 joints of the flagellum except the first but little longer than thick; palpi 

 yellowish. 



Thorax largely dark brown above, the scutellum laterally, posterior 

 middle of mesoscutum and the positions of the notauli testaceous; testa- 

 ceous below; all legs except hind coxae basally, hind tibiie apically, and basal 

 joints of hind tarsi, which are infuscated, testaceous; wings dusky, ,-ipical 

 third hyaline, veins except costa and anterior edge of stigma pale, a small 

 whitish spot on the base of the stigma. 



Abdomen with the first tergite dark brown, pale apically, the second 

 testaceous except for a dark spot on the basal middle and a suffused spot 

 on each side, the third, fourth, and fifth dark brown except laterally and 

 medially where they are testaceous, the remaining visible tergitcs testa- 

 ceous; first tergite with the furrows crenulate, the triangle without lari:c 

 punctures apically, sides beyond spiracles arcuate; second tergite with a 

 median basal embossed area, coincident with the median dark spot set off 

 laterally by obscurely crenulate furrows, rest of tergite finely, irregularly, 

 longitudinally rugulose; third to fifth similarly sculptured but the sculp- 

 ture changing gradually until in the fifth it becomes reticulate rugulose; 

 remaining tergites barely visible; exserted portion of ovipositor slightly 

 less than half the length of abdomen. 



Male: Length 2.5 mm. similar to female; antenna- 25-jointed, mmv 

 slender, all flagellar joints distinctly longer than thick; all coxae testaceous; 

 first tergite pale testaceous with the triangle somewhat darker and with its 

 sides straight; second tergite entirely yellowish. 



Host. Canarsia hammondi. 

 Type locality. Siloarn Springs. Ark. 

 Type Cat, 'U. S. N. M. No. 182?:.. 



Allied to brevicornix Wesm. from which it is at once distin- 

 guished by the distinct abdominal sculpture, tin- larger nuin- 



