i 
THE CANADIAN ENTOMOLOGIST. A 83 
and all the tarsi dusky ; abdomen smooth and polished ; first segment 
more robust than usual, black, finely aciculated longitudinally, lateral 
tubercles prominent ; second segment orange-ferruginous ; remaining seg- 
ments blackish. Length .20 inch. 
Flab.— Massachusetts. : 
5. PERILITUS PROXIMUS. JV. 5f.— ¢.—Yellowish-ferruginous, shining, 
very finely pubescent ; palpi whitish; space enclosed by ocelli and occi- 
put blackish ; antennæ black above, brown beneath, scape ferruginous ; 
space each. side of scutellum, space before anterior coxæ, pectus and 
metathorax above except apical margin, black ; metathorax broad, rugose ; 
tegulæ pale yellow; wings hyaline, iridescent, nervures fuscous, stigma 
pale; second cubital cell obliquely quadrate, transverse, otherwise as in 
communis ; legs yellowish-ferruginous, tips of tibiæ and tarsi entirely 
blackish ; abdomen smooth and polished, slender, especially first seg- 
ment, which is very faintly aciculated and margined Jaterally with black- 
ish. Length,.18 inch. 
ffab.—Illinois. Resembles zz¢ermedius, but while the thorax is more 
robust, and the metathorax differently and more coarsely sculptured, the 
abdomen is more slender and the first segment almost smooth. 
. 6. PERILITUS VULGARIS. WV. 5f.— f 9.—Pale yellowish-ferruginous, 
shining ; space enclosed by ocelli blackish ; antennze dusky above and at. 
tips, long in ©, shorter, more robust and paler in @ ; lateral lobes of 
mesothorax and pleura sometimes more or less dusky ; metathorax rather 
coarsely reticulated, black ; tegulæ pale yellow ; wings hyaline, iridescent, 
nervures pale fuscous, stigma pale luteous; neuration similar to that of 
Proximus ; legs uniformly pale yellowish, tips of tarsi dusky; abdomen 
smooth and polished, more or less discolored at apex ; first segment black 
or blackish, more or less pale at base, broad at apex, minutely aciculated 
longitudinally ; ovipositor as long or longer than first abdominal segment. 
Length .15—.17 inch. 
Hab.—Thnois ; Texas. Thirteen À, five 2, specimens. 
7. PERILITUS DIMIDIATUS. WV. sf.— 9.—Black, shining; face, 
mouth and orbits ferruginous ; palpi pale; antenne ferruginous, scape 
above and tip of flagellum dusky ; mesothorax piceous, rufo-piceous, or 
black varied with rufo-ferruginous ; scutellum more or less and prothorax 
laterally, ferruginous ; metathorax rugose ; tegulae pale; wings hyaline, 
iridescent, nervures and stigma fuscous, the latter pale at base; second 
cubital cell obliquely subquadrate, broader posteriorly, the recurrent ner- 
