164 E. T. CRESSON. 



1.3. Lampronota varia, n. sp. — %. — Black, shining; face, clypeus, mandibles, 

 palpi, s]3ace beneath eyes, anterior orbits, occasionally interrupted, sometimes 

 spot behind eyes, scape beneath and spot above, upi)er and lower margins 

 of prothorax, two longitudinal lines on disk of mesothorax, sometimes obsolete 

 or wanting, broad lateral margin confluent anteriorly with discal lines, tegulfe, 

 one or two spot beneath, more or less of scutellum, irregular mark on each 

 side of pleura before middle coxa, sometimes wanting, four anterior legs in- 

 cluding coxse, posterior coxse, except more or less of base beneath, their tro- 

 chanters, knees and tibije except tips, pale yellow, posterior tarsi fuscous; an- 

 tennoe as long as body, brown beneath ; wings yellowish-hyaline, areolet small, 

 petiolated; abdomen sub-cylindrical, shining, first segment, except apex, and 

 the fifth aiid following segments, black; remainder yellow varied with ferru- 

 ginous, or vice versa, sometimes varied with dusky, sometimes yellowish-fer- 

 ruginous margined at apex with whitish; venter yellowish. Length 6 

 lines. 



Var. — %. — Face with a central black line; antennae entirely black; venter 

 and pleura immaculate; scutellum with two narrow white lines; posterior 

 coxse entirely black; apex of first segment of abdomen, and the second, third 

 and fourth segments entirely, uniformly ferruginous. Length 5| lines. 



Hnh. — Canada; Mass., Conn., West Va. A common and very var- 

 iable species, easily distinguished from all others by the coloration of 

 the legs. 



'^\b. Lampronota americana, n. sp. — 9- — Black; clypeus and anterior legs 

 tinged with rufous; wings I'usco-hyaline, areolet slightly petiolated ; abdomen 

 smooth and shining, rufous, first segment except apex black; ovipositor as 

 long as body. Length G lines. 



Hah. — Canada; West Va., Ills. This species mimics Crijptns 

 americanus in color. 



1 (. Lampronota exigua, n. sp. — 9 • — Small ; head and thorax black ; ch'peus, 

 mandibles, palpi and antennse, except base above, pale testaceous, the latter 

 fuscous above; mesothorax ferruginous, blackish centrally and behind; tegulse 

 yellowish, a ferruginous spot beneath; wings hyaline, beautifully iridescent, 

 nervures and stigma pale honey-yellow, areolet 5-angular, not j^etiolated; legs 

 pale ferruginous, posterior coxte with a fuscous spot; abdomen ferruginous, 

 the first segment except apex black; the ovipositor as long as body- Length 

 2i lines. 



Hah. — West Virginia. 



18. Lampronota agilis, n.sp. — J. — Slender, black; apical margin of clypeus 

 dull yellowish ; mandibles and palpi brown ; antennse brown-black, flagellum 

 sometimes pale at base ; thorax entirely black, sides of metathorax finely pu- 

 bescent; wings hyaline, faintly dusky, iridescent, nervures and stigma black, 

 areolet very minute, petiolated; legs black, the two anterior pairs varied with 

 testaceous, four posterior coxse and base of posterior femora more or less, bright 

 ferruginous; abdomen subclavate, shining, ferruginous, the fourth and follow- 

 ing segments and occasionally the apical margin of the third segment, black; 

 ovipositor short, about one-third the length of abdomen. Length 2,1 — i 



lilU'S. 



Hah. — New York ; Pennsylvania. » 



