A Systematic Study of the Anthomyiinae of New York 21 



22. Mid femur vdih an uninterrupted row of bristles on anterior surface; thorax with weak 



presutural acrostical bristles or an irregular series of setulose hairs. . . .betarum Lint. 



Mid femur with an interrupted row of bristles on anterior surface; presutural acrostical 



bristles stoutty developed fugax Meig . 



23. Pra half the length of the following bristle; mid tibia with two posterodorsal bristles. 



ithacensis sp. nov. 



Pra less than half the length of the following bristle; mid tibia with one posterodorsal 



bristle spizellae sp. nov. 



24. Abdomen fuscous, shining or subshining, with only a trace of grayish pollen ; parafaciala 



and cheeks reddish; proboscis slender, cylindrical, fuscous, and highly polished. 



laevis Stein 



Abdomen densely grayish polKnose, with a trace of a dorsocentral vitta; parafacials 



and cheeks grayish; proboscis normally thickened, not highly poUshed 25 



25. Pra long, exceeding half length of the following bristle; fore femur with a short series of 



longish hairs on anterior sm^ace brassicae Bouch6 



Pra short, less than half length of the following bristle; fore femur with no longish median 

 hairs on anterior surface 26 



26. Parafacials, in profile, prominent, the breadth at base of antennae equal to, or exceeding, 



width of third antennal segment antigua Meig. 



Parafacials, in profile, not prominent, the breadth at base of antennae not equal to width 

 of third antennal segment 27 



27. Hind tibia with a preapical setula on posteroventral surface cilicrura Pond. 



Hind tibia without a preapical setula on posteroventral surface trichodactyla Rond. 



Hyhmyia alhula Fallen 



1824 Musca alhula Fall. Muse, p. 74, no. 83. 



1845 Arida arenosa Zett. Dipt. Scand., vol. 4, p. 1511, no. 1610. 



1903 fChirosia capito Coq, Proc. U. S. Nat. Mus., vol. 25, p. 123. 



Localities. — 1 6 , Ontario Beach, North Fair Haven, July 7, 1922 (collected by L. S. West) ; 

 2 9 , Cold Spring Harbor, Long Island, September 5, 1920 (collected by J. Bequaert and E. 

 Burns); 10 6, 7 9, Baiting Hollow, near Riveihead, Long Island, September 3, 1923. 

 20 specimens: 11 males, 9 females. 



Hylemyia alcathoe Walker 



1849 Anthomyia alcathoe Walk. List Dipt. Brit. Mus., part 4, p. 937. 



1884 Hylemyia flavicaudata Bigot. Ann. Soc. Ent. France, ser. 6, vol. 4, p. 299. 



1898 Hylemyia strigata Stein. Berl. Ent. Ztschr., (1897) vol. 42, p. 211. 



1916 Hylemyia tenax Joh. Trans. Amer. Ent. Soc, vol. 42, p. 388. 



Records. — Earliest: Lakeville, Long Island, May 16, 1921. Latest: Buttermilk, Ithaca, 

 September 25, 1921. 200 specimens. Figures 14, 67, 103, on plates in this memoir. 



Hylemyia antiqua Meigen 



1826 Anthomyia antigua Meig. Syst. Beschr., vol. 5, p. 166, no. 145. 



1830 Anthomyia ceparum Meig. Syst. Beschr., vol. 6, p. 376, no. 217. 



1844 Musca liturariae Ratzeb. Forstins., vol. 3, p. 170, no. 1. 



1851 fAnthomyia caepicola Rob.-Desv. Guer.-M6n., Rev. et Mag. Zool., ser. 2, 



vol. 3, p. 234, no. 1. 

 1882-83 Chortophila cinerea Meade nee FaU. Ent. Mo. Mag., vol. 19, p. 147. 

 1882-83 Phorbia cepetorum Meade. Ent. Mo. Mag., vol. 19, p. 218. 

 1893 Anthomyia angustifrons Strobl nee Meig. Verb. Zool.-Bot. Ges. Wien, vol. 43, 

 p. 259. 

 Specimens reared by Dr. J. L. Buys at Williamson during August, 1916, and by S. W. Frost 

 at Durandville during July, 1917. 56 specimens: 41 males, 15 females. Figures 1, 51, 98, 

 on plates in this memoir. 



