l60 CATALOGUE OF NORTH AMERICAN DIPTERA. 



gleditchiae Osten Sacken, Proc. Ent. Soc. Phil., vi, 219. — R. I., on Gleditchia 



triacanthos. N. J. — Smith Cat. 

 graminis Fitch, 6th N. Y. Rept., 832, pi. 11, f. 2, name changed and redesc. ; Essay 



on the Wheat-fly (cerealis, preoc.).^ — N. Y. 

 ? grassator Fyles, Canad. Ent., xiv, 237, fig. ; Rept. Ent. Soc. Ont., 1883, 30 (both 



? Diplosis) . — Ontario. 

 inimica Fitch, 6th N. Y. Rept., 830-832. — N. Y. ; in wheat heads with tritici. 

 maccus Loew, Mon. N. A. Dipt., i, 187, pi. i, f. 11, 12 (Diplosis). — D. C. 

 negundinis Gillette, Psyche, 1890, 392, figs. — Iowa; larvae produce galls in term- 

 inal buds of Acer negundo. 

 orbitalis Walsh, Proc. Ent. Soc. Phil., iii, 623 ; vi, 227. — Rock Id., 111. ; inquilin- 

 ous in galls of batatas, strobiloidcs and brassicoidcs; also in those of 

 Euura salicis-ovum, a sawfly. 

 oxycoccana Johnson, Ent.. News, x, 80, 1899, change of name; Ent. News, xi, 

 324, quotes orig. desc. ; " infests the terminal buds of cranberry and loose- 

 strife (Lysimachia terrestris) ." — N. J. 

 Smith, Special Bull. K, N. J. Ex. Sta., 31-37, figs., 1890 (vaccinii, preoc). 

 -N. J. 

 partheniicola Cockerell, The Entomologist, July, 1900, 201 (Diplosis). — N. M. 

 pictipes WiLLiSTON, Trans. Ent. Soc. Lond., 1896, 253 (Diplosis). — St. Vincent, 



W. I. 

 pilulae Walsh, Amer. Ent., 11, 29, gall only (qucrcus-piliilcc). — 111., on laurel- 

 leaved oak. 

 Packard, 5th Rept. U. S. Ent. Comm., 206, 207, fig. of gall, and notes on 

 adult. 

 radiatse Snow, Ent. News, xi, 489, figs. (Diplosis).— 'P2.\o Alto, Cal. ; larva in 

 young shoots of Piniis radiata and other Pinus. 

 Cannon, Amer. Nat. Oct., 1900, 801-S10, figs., — a botanical study of the 

 gall. 

 resinicola Osten Sacken, Trans. Amer. Ent. Soc, iii, 345 (Diplosis). — N. Y. ; 

 in the resin of Pinus inops. The description is reprinted in Ent. Nach- 

 richten, 1896, 343-345- 

 Sanborn, Proc. Bost. Soc. Nat. Hist., xii, 93, larva only. 

 CoMSTOCK, Rept. Dept. Agric, 1879, 256, pi. vi, f. 5, life history; larva in 



resin of Pinus inops, rigida and t(cda. 

 Packard, 5th Rept. U. S. Ent. Comm., 797, figs., quotes Comstock. 

 Townsend, Proc. Ent. Soc. Wash., 11, 389, notes on relation to Retinia com- 



stockiana, a twig-borer of P. inops. 

 Packard, Rept. U. S. Geol. Surv. of the Terr., x, 1876, 527 (Diplosis pini- 

 rigidcs) ; 5th Rept. U. S. Ent. Comm., 798-800, fig. ; larvae make galls in 

 needles of P. rigida. [Syn. taken from Kertesz, Catalogue.] 

 MiK, Wien. Ent. Zeit, xvi, 290-292 (id.). 

 Eckel, Ent. News, xiv, 279-284, pi., habits, etc. (Diplosis). 

 robiniae Haldeman, Amer. Jour. Agr. and Sci., vi, 193, figs. ; reprinted in Proc. 

 Boston Soc. Nat. Hist., vi, 401. 

 Harris, Ins. Inj. to Veget., 3d edit., 567. 

 Fitch, 2d N. Y. Rept., 332. 



On leaves of locust, Robinia psciidacacia. in Atlantic States. 

 sorghicola Coquillett, Bull. 18, n. sen, 82 (Diplosis). — Ala., Tex.; larvae in seeds 



of sorghum. 

 togata Fitch, Amer. Quart. Jour. Agr. and Sci., 11, 233-264, 1845. 

 thoracica Fitch, Essay on the Wheat-fly, f. 5, 6. — N. Y. 

 Osten Sacken, Cat., 5, note on genus. 



