82 THE CANADIAN ENTOMOLOGIST. 
palpi whitish ; antennæ pale ferruginous, dusky at tips, incisures of joints 
blackish ; metathorax finely reticulated, with an angular carina before 
middle and several other irregular carinæ ; tegulæ pale yellow; wings 
hyaline, iridescent, nervures and stigma fuscous, neuration as in preceding 
species ; legs, except posterior femora, paler than body, posterior tarsi - 
' whitish, apex of their tibiz dusky, last joint of all the tarsi black; abdo- 
men smooth and polished, first segment long and slender, especially at 
base, finely rugose, sides margined, lateral tubercles prominent. Length 
.25 inch. ee 
Hab.—New Jersey. Smaller and paler than wvectarsis, to which it is 
closely allied. 
3. PERILITUS coMMUNIS. JV. sp.-— T $.—Pale yellowish-ferruginous 
or honey-yellow, shining, slightly pubescent ; palpi whitish; antennæ 
slightly dusky at tips, sometimes entirely dusky above ; metathorax rather 
coarsely reticulated, with several more or less distinct longitudinal carinee, 
sometimes more or less dusky ; tegulæ occasionally pale yellow; wings 
hyaline, iridescent, nervures and stigma vary from pale yellow to fuscous ; 
second cubital cell subquadrate, broader posteriorly, recurrent nervure on 
a line and confluent with intercubital nervure ; interno-discoidal cell 
shorter than externo-discoidal ; legs generally paler than body, sometimes 
unicolorous; terminal joint of tarsi blackish, sometimes the apex of pos- 
terior tibiæ and their tarsi are more or less dusky ; abdomen smooth and 
polished, first segment finely and longitudinally aciculated, that of the À 
generally more or less fuscous, rarely entirely black, apical segments some- 
times discolored ; ovipositor of ® as long as first abdominal segment, 
sometimes longer. Length .18—.22 inch. 
Hab.—Connecticut ; New Jersey. Twenty-five 2, twenty-one 7, 
specimens. Smaller and paler than pa//itarsis, from which it is readily 
distinguished by the posterior tarsi not being white. 
4. PERILITUS INTERMEDIUS. JV. sp.— f.—Yellow-ferruginous, varied 
with blackish, shining, sub-pubescent ; palpi whitish; antennæ black, 
scape yellowish beneath ; spot enclosing ocelli, occiput, prothorax above, 
two spots before anterior coxæ, pectus, lateral lobes of mesothorax, two 
lines on middle lobe and metathorax above except apex, black; meta- 
thorax broad, rugulose ; tegulæ pale yellow; wings hyaline, iridescent, 
nervures and stigma fuscous ; second cubital cell transversely subquad- 
rate, broader posteriorly, otherwise as in communis; legs pale yellowish- 
ferruginous, coxæ, trochanters and knees paler; posterior tibiæ darker 
