190 MAINE STATE COLLEGE 



THE APPLE MAGGOT. 



Trypeta pomonella^ Walsh. 

 Order Diptera, Family Trypetidae. 



Bibliography. 



Walsh. — In Amer. Journ. Horticul., Dec, 1867, pp. 338-343; 

 1st Ann. Kept. Insects of 111., 1868, pp. 29-33, figs 2, 2a, 

 (Original description.) 



Walsh, Riley. — American Entomologist, 1, 1868, p. 59, (prob. 

 ident. of insect, from N. Y.) 



ioetr.— Monograph Diptera N. A., Pt III, 1873, pp. 265-268, 

 (description and remarks.) 



Glover.— U S. Notes Journ. Diptera, 1874, p. 58. PI. 9, fig. 14, 

 (brief reference and authority.) 



Packard. — Guide to the Study of Insects, p. 415. 



Comstoc^^— Report Comm.Agr'l., 1881-2, pp. 195-198, PI. 14, 

 (operations, larva, pupa, imago, remedies.) 



Saunders.— Frmt Insects, 1883, pp. 135-136, fig. 143, (brief 

 account, illustrated.) 



CooTx. — Country Gentleman, 1884, p. 857, (habits and occurrence 

 in Mich.); 14th Ann. Kept. Mich. St. Hort. Soc, 1884-5, pp. 

 200-203, figs. 1-3, (general notice) ; Mich. Farmer, 1884, Vol. 15, 

 No. 41, p. 4; Rural New Yorker, 1885, Vol. 44, p. 360. 



iw^ner.— Bull, N. Y. Agr'l. Expt. Station, LXXV, Dec. 1883, 

 (description and habits;) Second Ann. Rept. Entomologist St., 

 N. Y., 1885, p. 117, (description, life history, distribution, 

 remedies, desiderata in life history, related species. 



Cutting.— ReT^oxi Board Agr'l. Vt., 1883-4, p. 259. Reprint of 

 Comstock's paper, from U. S. Agr'l. Rept., 1881-2. 



Goding. — Fruit Growers Jour., Cobden 111., Apr., 1885. 



Treat. — Inj. Ins. to Farm and Garden, 1887, p. 164. Brief 

 account. Illustrations of Flies, larva, pupa and work of larva. 



Perkins. — Second Annual Report, Vt. Expt. Station, 1888, 

 p. 134. 



Harvey. — Ann. Rept. Maine St. Coll. Expt. Station, 1888, p. 

 175, also reprint in Agr'l. Repoii; of Me., 1888, p. 139; Me. St. 

 Coll. Expt. Station Bull. No. 2, Second Series, 1889, 



