172 PIHST ANNUAL REPORT OF THE STATE ENTOMOLOGIST. 



In other genera of the family, fifteen species are enumerated from 

 the State of Kew York : in all, forty-one spe,6ies, distributed in eleven 

 genera. Many others are undoubtedly to be discovered, as additional 

 attention shall be paid to them. They are extremely difficult of 

 study, from their close resemblance to one another. The females of 

 several of the species are so much alike that they can scarcely be de- 

 termined unless their males occur with them.* 



Phorbia ceparuin (Meigen).f 

 The Onion-jly. 



Ord. DIPTERA : Fam. ANTHOMYIIDiE. 

 BOUCHE : Naturgeschichte der Insecten, 1834, p. 73. 

 Westwood : in Loudon's Mag. Nat. Hist., vii, 1834, p. 425 ; in Gardener's Mag., 



xiii. June, 1837, p. 241 ; Introduc. Class. Ins., ii, 1840, p. 570, f. 132, 3-6. 

 KoLLAR : Ins. Inj. to Gardeners, etc., 1840, pp. 157-9 and figures. 

 Harris : Rept. Ins. Mass., 1841, p. 415 ; Treat. Ins. New Eng., 1852, p. 495 ; Ins. 



Inj. Veg., 1862, p. 617, f. 272 (habits, but another flj described). 

 Curtis : in Gardener's Chronicle, 1841, p. 396 and figures : Farm Insects, 1860, p. 



145 (mention). 

 Kirby-Spence : Introduc. Entomol., 1846, p. 141 (brief mention). 

 Glover : in Rept. Commis. Agricul. for 1864, p. 563 (remedies) ; Rept. for 1867. 



p. 73 (mention); Rept. for 1872, p. 133 (liistory and remedies); MS, Notes 



Journ. — Entomolog. Index, 1877. p. 5 (references). 

 Walsh: in Pract. EutomoL.i, 1865, p. 20 (remedy); Id.,ii, 1867, p. 64 (brief notice). 

 Slade : in Rept. Commis. Agricul. for 1865, p. 238 (with notice of onion and cul- 

 ture). 

 Fitch : in Ann, Reg, Rur, AflF., v, 1867. p. 91 ; Eleventh Rept. Ins. N. Y., in 



Trans. N. Y. St, Agricul. Soc. for 1866, xxvi, 1877, pp. 487-494, figs. 1-5 



(habits, transformations and remedies). 

 BoiSDUVAL : Eutomol. Hortic, 1867, p. 611. 

 Packard : Guide Study Ins., 1869, p. 411, f. 332 (larva and imago) ; Second Rept. 



Ins, Mass., 1872, p. 8 ; in Hayden's Ninth Rept. G.-G. Surv, Terr., 1877, 



pp. 740-742, pi. 67, f. 1 (transformations and remedies). 

 Dodge : in Rept. Commis, Agricul. for 1869, pp. 224-226 (natural history and 



remedies). 

 Riley : in Amer. Entomol., ii. 1870, p. 110, f. 72 (an imported insect). 

 Ormerod : Rept. Inj. Ins. for 1877, p. 7; Id. for 1878, p. 7 ; Id. for 1879, p. 12 ; Id. 



for 1880, pp, 15-18 ; Id. for 1881, pp. 35-38; Manual Inj. Ins., [1881], pp. 



123-129 and figures (habits, history, preventives and remedies). 



*The reverse of this is seen among some of the Hymenoptera. "In the Vespidse, there 

 exist a number of species of which tlie males resemble one another so far as not to be 

 distinguishable. * * * There is a whole category of species of the genus Elis, of 

 which the females offer diflferences the most extreme, but of which the males are so con- 

 founded that they cannot be distinguished from each other (Dr. de Saussure, Synopsis of 

 American Wasjis, 18T5, p. xviii), 



JThe Anthomyia ceparuin of all the following citations except the last. 



