ART. 13 DESGEIPTIONB OF ICHFEUMON-FLIES CUSHMAN 7 



Head and thorax opaque, finely confluentiy punctate and entirely 

 covered with a very fine, short, velvety, more or less glittering 

 pubescence ; abdomen somewhat less densely punctate, the pubescence 

 correspondingly sparser. Head transverse with temples convexly 

 sloping, in front view subtri angular with malar space longer than 

 basal width of mandibles and mouth rather narrow ; clypeus inflexed 

 and truncate at apex, exposing the labrum; pubescence of clypeus 

 and mandibles longer than that on rest of head ; antennae of female 

 rather short and strongly thickened toward apex, first flagellar joint 

 shorter than second. Notauli strong,, complete; scutellum weakly 

 convex, not margined laterally; sternauli short; propodeum long, 

 completely areolated, areola broadly hexagonal, costulae before mid- 

 dle, apical carina mucronate on each side, spiracles small, short oval ; 

 alar areolet large, the intercubiti nearly parallel; radial cell short; 

 nervulus antef ureal; postnervulus broken below middle; nervellus 

 reclivous, strongly broken either above or below middle ; apical tarsal 

 joints in female long, that of hind tarsus nearly or quite as long as 

 second joint, claws large, strongly curved, simple. Abdomen in 

 female rather broadly ovate, and apical segments short; first tergite 

 with lateral carinae extending to apex, dorsal carinae nearly to apex. 



Only one described North American species is referable to this 

 genus: {Gryptus) Trichocryptus Mrtifrons (Ashmead). To this 

 may now be added the very distinct new species described below. 



TRICHOCRYPTUS HIRTIFRONS (Ashmead) 



Grpptus Mrtifrons Ashmead, Proc. U. S. Nat. Mus., vol. 12, 1890, p. 411, 

 male. 



Gryptus cyaneiventris* Riley MS., Insect Life, vol. 3, 1890, p. 154. — Hart, 

 Bull. 111. State Lab. Nat. Hist., vol. 4, 1895, pp. 178, 270. New syno- 

 nyms. ) 



Apsilops Jiirtifrons Ashmeab, Trans. Amer. Ent. Soc, vol. 23, 1896, p. 207. — 

 Daxla Torre, Cat. Hym., 1901-1902, p. 715, female. 



Agrathereutes (Apsilops) Mrtifrons Viereck, Hym. Conn., (1916), 1917, 

 pp. 330, 333. 



(Trichocryptus) Mrtifrons Cushman, Proc. U. S. Nat. Mus., vol. 58, 1920» 

 p. 259. 



Originally described from a single Texan male; the female was 

 described six years later from specimens from Illinois collected by 

 C. A. Hart in association with {Hydrocampa) Nymphula ohliteralis 

 (Walker). 



Type.—CBi. No. 2028, U.S.N.M. 



In addition to the unique type male there are in the National 

 collection 11 females from Columbus, Ohio ; one from Havana, Illinois 

 (ex Hydrocarmpa)^ one of the specimens taken by Hart; and one 

 from Florida, reared March 26, 1888, from Pyralid on water lily, 

 under Bureau of Entomology No. 4261°. The last mentioned is 



