28 PROCEEDINGS OF THE NATIONAL MUSEUM. vol.61. 



In Davis's key to North American species of Stenomacrus^ runs to 

 hastatus Davis, from which it differs in being smaller and more 

 slender and having the antennae more slender with the flagellar joints 

 relatively much longer. 



Female. — Length, 2.5 mm. 



Polished ; face and mesoscutum sparsely punctate ; first tergite and 

 base of second opaque rugulose; face, including clypeus, as wide as 

 long; malar space two-thirds as long as eye; temples strongly re- 

 ceding; ocellar triangle slightly longer behind than on sides, the 

 ocelli a little longer than postocellar line ; antennae stout, first flagel- 

 lar joint about two-thirds as long as scape and slightly less than 

 twice as long as thick; propodeum with strong apical, median, and 

 lateral carinae, other carina e absent, combined areola and basal area 

 parallel-sided and about three times as long as wide and about a third 

 longer than petiolar area ; angle of radius nearly right ; second ab- 

 scissa of cubitus hardly half as long as first abscissa of radius; 

 nervulus postfurcal; nervellus straight, reclivous; legs stout, tarsi 

 slender; hind coxae reaching beyond apex of first tergite; first 

 tergite with deep furrows laterally between spiracles and apex, the 

 dorsal carinae strong to these furrows; abdomen compres-ed from 

 base of third tergite. 



Piceous; mandibles, palpi, wing bases (but not tegulae) white; 

 antennae dark brown, paler beneath basally; legs testaceous, front 

 and middle ones stramineous basally; wings hyaline, venation light 

 brown. 



Type locality. — JNlount Washington, New Hampshiie. 



ry^e.— Cat. 'No. 25032, U.S.N.M. 



Described from one female taken by Mrs. Annie T. Slosson. 



The specimens recorded under Phaenosemus alticola in the 1902 

 and 1906 lists are not the same species, but apparently represent two 

 other undeseribed species which are not described here because of 

 the poor condition of the specimens. 



(STIBOSCOPUS WASHINGTONENSIS Ashmead MS.)=HEMITELES (ISDF.GMAS) WASH- 

 INGTONENSIS Cushman, new species. 



STYLOCRYPTUS MUCRONATUS (Provancber). 



Phygadcnon vivvronatns Pkovanchek, Faime Ent. Can., IT.vr.!.. 1883. p. 319. 

 " Mclophron ahdominalis Ashiii., ii. sp.," Slosson, Ent. News, vol. 17, 1906. 



p. 324. 

 STYLOCRYPTUS SUBCLAVATUS (Say). 



Cryptus sithclavatus Say, Boston Journ. Nat. Hist., vol. 1, 1835. p. 237 



(LeConte ed., vol. 2, 693). 

 Phygadcnon rotundiceps Provancher, Nat. Can., vol. 9, 1877, p. 12. 

 " Mednphron monticola Ashm. MS.," Slosson, Ent. News, vol. 11, 1909, 



p. 319. 

 Stylocrijptns suhclaratns (Say), Cushman and Gauan, Proc. Ent. Soc. 



Wash., vol. 23. 1921. p. 162. 



« Trans. Amer. Ent. Soc, vol. 24, 1897, p. 224. 



