AMERICAN HYMENOPTERA. 161 



Postorioi- coxse entirely black. 



IModium J posterior legs black except broad white anniilus at base of thojr 



tibise; face and tegulre white 10. tegularis, n. sji. 



Medium; posterior legs black, their femora red; face and togulre 



black 11. mfipes, Cress. 



Small ; posterior legs, except coxae and tarsi red 12. macra, n. sp. 



Abdomen red or yellow and black. 

 Base and apex of abdomen black. 



Legs pale j'ellow, posterior femora and tarsi black; scutellum more or less 



yellow 13, varia, n. sp. 



Legs red; scutellum black 14. frigida, Cress. 



Base only of alxlomen black. 



Legs entirely black 1.'). americana, n. sp. 



Only the femora red M). montana, Cress. 



Legs entirely red; mesothorax reddish 17. exigua, n. sp. 



Apex only of abdomen black 18. agilis, n. sp. 



Abdomen entirely red ; thorax black. 



Scutellum black 19. exilis, n. sp. 



Scutellum more or less yellow 20. rubrica, n. sp. 



Body entirely ferruginous. 



Abdomen ojiaque, densely punctured 21. brunnea, Cress. 



Abdomen smooth and polished 22. coloradensis, n. sp. 



1. Lampronota occidentalis, n. sp. — 9 •— ^'ack, opaque, densely punctured ; 

 clypeus, mandibles except tij)s, anterior orbits above antennse, tegulae, two 

 spots beneath, broad line on each side of mesothorax before wings, dilated an- 

 teriorly, and two spots on scutellum, white; an elongate mark on each 

 side of pleura before middle coxa, and the lower margin of flanks of meta- 

 thorax, rufous; sides of pleura and flanks of metathorax polished; wings hya- 

 line, areolet small, petiolated; legs ferruginous; anterior coxse, four trochan- 

 ters, extreme tips of their femora and base of all the tibia, pale yellowish ; 

 tips of posterior femora, more or less, the tibiae except base, and their tarsi, 

 blackish ; abdomen densely and strongly punctured, apex smooth and shining ; 

 ovipositor as long as body. Length — GJ lines. 



Ilalj. — Pennsylvania. ThLs is our largest species. 



2. Lampronota scutellaris, n, sp,— 9 .—Black, subopaque, very densely and 

 minutely jmnetured ; clypeus, mandibles, palpi, anterior orbits, tegulaj, broad 

 line before, short line beneath, two lines on scutellum, and elongate mark on 

 each side of pleura before middle coxa, yellowish-white; disk of scutellum 

 sometimes ferruginous; wings faintly tinged with yellowish-fuscous; areolet 

 small, petiolated; metathorax coarsely rugose centrally ; pleura and flanks of 

 metathorax more or less reddish beneath ; legs ferruginous, four anterior coxae, 

 trochanters and knees, more or less yellowish; apex of posterior femora, of 

 their tibiae and their tarsi, fuscous or black; extreme base of posterior tibife 

 pale : abdomen somewhat shining, with ashort, fine, whitish pile at apex, very 

 minutely sculptured; ovipositor as long as abdomen. Length 5i— G lines. 



Hub. — West Virginia ; Illinois. 



3. Lampronota pleuralis, n. sp.— 9 .—Differs from occidentalis hy being mucli 

 smaller, by the mark on each side of pleura being yellow or white, instead of 



