NORTH AMERICAN HYMENOPTERA. 297 



Division II.— INQUILIN^, or Guest gall-flies. 

 PEEICLISTIS, Forster. 

 sylvestris, 0. S. (Aulax) Proc. Ent. Soc. Phila. vol. iii, p. 37. 

 pirata, 0. S. (Aulax) 1. c. vol. i, p. (54. 

 futilis, 0. S. (Aulax) 1. c. vol. i, p. 64. 

 semipiceus, Harris (Cynips) Ins. Inj. Veg. p. 549. 



CEROPTRES, Hartig. 



ficus, Fitch (Cynips) Fifth Eep. No. 314. 



petiolicola, 0. S. (Amblynotus) 1. c. vol. i, j?. 67 ; vol. v, p. 380. 



Amblynotus ensigcr Walsh, 1. c. vol. ii, p. 496. 

 inermis, Walsh (Amblynotun) 1. c. vol. ii, p. 598; (Ceropires) 1. c. vol. v, p. 380. 

 arbos, Fitch (Cynips) Fifth Rep. No. 310. 

 tuber, Fitch (Cynips) 1. c. No. 309. 

 obtusilobae, n. sp. 

 citriformis, n. sp. 

 pomiformis, n. sp. 

 virentis, u. sp. 

 succinipedis, n. sp. 

 lanigerae, n. sp. 



minutissimi, n. sp. . 



Catesbaei, n. sp. 



SYNERGUS, Hartig. 



lignicola, 0. S. Proc. Ent. Soc. vol. ii, p. 252 ; rhodtiformis Walsh 1. c. p. 499. 

 oneratus, Harris (Cynips) Ins. Inj. Veg. 3d ed. p. 548; Fitch Second Rep. No. 



313 : (Synergus) v)sten Sacken 1. c. ante vol. v, p. 380. 

 laeviventris, 0. S. (Synophrus) 1. c. vol. i, p. 54; Walsh vol. ii, p. 494 ; (Synergus) 



0. S. 1. c. vol. V, p. 380. 

 campanula, 0. S. 1. c. vol. v, p. 376. 

 dimorphus, 0. S. 1. e. vol. v, p. 376. 

 albipes, Walsh (Synophrus) 1. c. vol. ii, p. 496. 

 medax, Walsh 1. c. vol. iv, p. 498. 

 ficigerae, n. sp. 

 coniferae, n. sp. 

 batatoides, n. sp. 

 bicolor, n. sp. 

 meduUse, n. sp. 

 sapholitus, Forster. 

 gemmariae, n. sp. 



Division III.— FIGITIN^, or the Parasites. 

 ALLOTRIA, Westwood. 



avenae, Fitch Sixth Rep. etc. p. 841, N. Y. State Agr. Soc. 



tritici, Fitch 1. c. p. 841. 



lachni, Ashm. n. sp. (Appendix) 



? polita, Prov. Le Nat. Can. vol. xii, p. 239.* 



■•■■• This is an Inqailine ; ray specimen is too poor for identification. 



TRANS. AMER. ENT. SOC. (42j DECEMBER, 1885. 



