392 PROCEEDINGS OF THE NATIONAL MUSEUM vol. 83 



Remarks. — Described from two females and three males. The 

 type is labeled "C. Mo., July" and the allotj^pe "Ashmead." The 

 female and the two male paratypes are from Georgia, one of the 

 males from Chickamauga (June), and are in the collection of the 

 Academy of Natural Sciences of Philadelphia. 



PERILAMPUS CANADENSIS Crawford 



Perilampus canadensis Crawford, Proc. Ent. Soc. Washington, vol. 16, p. 74, 1914 



Female, — Lengtli about 3-4.5 mm. Head: Frons meeting vertex 

 in a sharp angle but without a carina; emargination of fronto vertex 

 deeply and widely angulated and cutting a line tangent to anterior 

 margins of lateral ocelli, anterior margin of anterior ocellus usually 

 not far in front of that of lateral ocellus; scrobal cavity deep and wide, 

 its sides sloping more or less sharply, the slope usually continued 

 more or less on each side of hyperclypcal area and latter may appear 

 relatively depressed; ocellocular area and upper part of front between 

 eye and scrobal cavity usually with large and very shalloAv pits sur- 

 rounding hah punctures; face along and below malar furrow with 

 prominent punctures; clypeus wider than long and more or less longer 

 than hyperclypeal area; cheeks convexly rounded and smooth except 

 for hair punctures; head in front view transverse; eyes reaching to or 

 beyond level of base of clypeus. 



Thorax: Robust; area along inner margins of parapsides usually 

 rougliened with rather coarse punctures and aciculations ; suture 

 separating prepectus from pronotum distinct; axilla with a triangular 

 extension as wide as or wider than long on side of scutellum, its base 

 extending above middle of axilla, the face of axilla not depressed or 

 excavated above base of extension and sloping toward base of exten- 

 sion; basal shallow furrows on underside of apex of scutellum not 

 turning caudad mediallly but meeting to form a more or less con- 

 tinuous curve; wing veins usually long; wing hairs as a rule long 

 and coarse. 



Abdomen: Posterior face usually wider than long, sometimes as 

 long as wide; first tergite very strongl}'- transverse and smooth, its 

 anterior margin not elevated; third segment (second of the gaster) 

 considerably exposed. 



Color: Black; no turn of tho]-ax more or less bronzy; the area along 

 inner margin of parapsides often bright bronzy, sometimes approach- 

 ing cupreous; ocellocular area (sometimes the whole of vertex) and 

 upper part of front between eye and scrobal cavity usually somewhat 

 bronzy, the cheeks also sometimes bronzy; temples, cheeks, and 

 hyperclypcal area sometimes greenish; flagellum of antenna grayish 

 black or grayish dull dark brown, usually obscurely ferruginous at 

 apex and sometimes ferruginous on the whole of the underside; scape 

 concolorous with head, sometimes distinctly greenish; legs brown, 



