AMERICAN HYMENOPTERA. 221 



IZ. S. multicinctus. 



Strongylogaster multicinctus, Norton, Proc. Ent. Soc. Phil. I. 1862, 143. 9- 

 Black, with whitish abdominal bands. Length 0.34. Br. wings 0.68 inch. 

 9. — Black; body long and rather slender; antennae hardly longer 

 than thorax, somewhat thickened in middle, the apical joint decreasing 

 in size, third joint longer than fourth; head and face dull, rough with 

 coarse pits; palpi pale, face black; basal half of each segment of ab- 

 domen straw-yellow ; ovipositor sheath fringed with pale hair ; legs 

 black, tips of femora, the tibiae and tarsi pale reddish, posterior knees 

 almost white, anterior tibite spur bluntly bifid, the other spurs short; 

 wings hyaline, stigma and costa pale. 



Virginia, (Coll. Amer. Ent. Soc). One 9 . 



14. Strongylogaster annulosus, n. sp. 



Black ; labruin, teguloe, anterior angle and basal plates white ; bands on each 

 segment of abdomen, rufous. Length 0.40. Br. wings 0.76 inch. 



9. — Black, body long and slender; antennae and punctures as in 

 S. multicinctua ; a spot in middle of labrum, the palpi, tegulre, the whole 

 of anterior angle and basal plates, whitish ; basal half of each segment of 

 tergum piceous, wider at sides beneath; apical half of each segment 

 and all the venter, reddish-yellow; ovipositor sheath black, fringed with 

 long hair ; legs reddish-yellow, coxffi and base of femora black ; all the 

 knee joints wMth base of tibiae whitish. 



Var. a. 9 • — Base of each segment of tergum honey-yellow; apex 

 white. 



Massachusetts, (Coll. Amer. Ent. Soc). Two 9 . 



15. S. unicus. 



Strongylogaster unicus, Norton, Best. Proc. ix. 1862, 120. 



Luteous; head and legs black; wings subviolaceous. Length 0.28. Br. wings 

 0.56 inch. 



9. — Luteous or yellow-red; body slender; antenna3 black, short 

 stout, third and fourth joints equal ; face deeply pitted; nasus with an 

 angular notch ; face black ; mandibles rufous ; tegulae, edge of collar, 

 basal plates, ovipositor sheath, and legs black ; anterior part of femora 

 and tibiae rufous before; wings sub-violaceous, with two under win" 

 inner cells. 



Brooklyn, N. Y. (J. Akhurst.) One 9 . 



16. Strongylogaster meritorius, n. sp. 



Testaceous; head and thorax mostly black; dots on abdomen and aijex 

 blackish, wings hyaline. Length 0.26 — .32. Br. wings 0.54 — .68 inch. 



9 • — Testaceous, body rather stout, not unusually long; antennsemod- 

 erate, slender, black, basal joint white ; third joint one-half lon'-er than 

 fourth; head black, shining; nasus not emarginate, and with labrum 



TRANS. AMER. ENT. SOC. (20) OCTOBER, 1868. 



