NO. 31.] INSECTS OF CONNECTICUT: HYMENOPTERA. 315 



Megarhyssa Ashmead. 



atrata Fabricius. Thalessa. Black long-sting. Conn. Geol. Nat. 



Hist. Snrv., Bull. 22, 325. 

 greenei Viereck. Ibid., Bull. 22, 325. (A.I.B.) 

 lunator Fabricius. Thalessa. Lunate long-sting. Ibid., Bull. 



22, 325. 



Rhyssa Gravenhorst. 



lineolata Kirby. nitida merrill. albomaculata Cresson. Conn. 

 Nat. Hist. Surv., Bull. 22. 325-0. 



Rhyssella Rohwer. 

 humida Say. Proc. U. S. Nat. Mus., 57, 423. 



Arotes Gravenhorst." 

 amoenus Cresson. Conn. Geol. Nat. Hist. Surv., Bull. 22, 326. 



Coleocentrus Gravenhorst. 

 rufus Provancher. Conn. Geol. Nat. Flist. Surv., Bull. 22, 327. 



Gelis Thunberg. 



Pezomachus Gravenhorst. 

 lymensis Strickland. (Micromeson). Conn. Geol. Nat. Hist. 



Surv., Bull. 22, 327. 

 minimus Walsh. Ibid., Bull. 22, 328. 

 ottawaensis Harrington. Ibid., Bull. 22, 328. 



Mesostenidea Viereck. 

 spinaria Brulle. (Polyaints.) Conn. Geol. Nat. Hist. Surv., 

 Bull. 22, 329. 



Acroricnus Ratzehurg. 



junceus Cresson. Conn. Geol. Nat. Hist. Surv., Bull. 22, 330. 



Joppidium Walsh. 

 peregrinus Cresson. Mesoleptus. Conn. Geol. Nat. Hist. 

 Surv., Bull. 22, 330. 



Agrothereutes Fcerster. 

 Cryptus Fabricius. 

 alacris Cresson. Conn. Geol. Nat. Hist. Surv., Bull. 22, 332. 

 americanus Cresson. Ibid., Bull. 22, 332. 

 canadensis Provancher. Ibid., Bull. 22, 332. 



* See also appendix. 



