10 H. C. Hl'ckett 



1 9 , Baiting Hollow, near Riverhead, Long Island, April 22, 1923; 1 9 , April 29, 1923; 3 9 , 

 Apr'l 13, 1924. 13 specimens: 8 males, 5 femaleg. Figures 149, 151. 154. on plates in this 

 memoir. 



Egle parva Robineau-Desvoidy 



1826 lAnthomyia minuta Meig. Syst. Beschx., vol. 5. p. 177, no. 1G3. 



1830 Egle parva Rob.-Desv. Essai ]\Iyod., p. 590, no. 20. 



1838 Anthomyza lepida var. b Zett. Ins. Lapp., p. 686. no. 110. 

 Localities. — 16, Oakwood, Staten Island TcoUected by E. J. Burns); 16, Ithaca, April 

 26, 1914; 1 6 , May; 1 9 , Ithaca, April 20. 1920 (collected by R. C. Shannon); 1 5 , no locality 

 nor date given; 36, 18 9, Baiting Hollow, near Riverhead, Long Island, April 22. 1923; 

 1 9 , April 27, 1923; 5 6,39, April 29, 1923; 1 6 , April 13, 1924. 36 specimens: 12 males, 

 24 females. Figures 146, 150, 153. on plates in this memoir. 



Egle parva and E. muscaria are to be found together in the .spring fre- 

 quenting the catkins of the pussy willow, Salix discolor. 



Genus Emmesomyia IMalloch 



1917 Mall. Bui. Brooklyn Ent. Soc, vol. 12, p. 113. 



Emmesomyia apicalis ]\Ialloch 



1917 Mall. Bui. Brooklyn Ent. Soc, vol. 12, p. 115. 



Localities. — 1 9 , Lake^iUe, Long Island, August 18, 1921; 1 9 , Cold Spring Harbor, Long 

 Island, September 2, 1921; 19, September 3, 1921; 19, September 4, 1922. 4 specimens, 

 all females. Figure 157 on Plate XIII. 



Genus Eremomyia Stein 



1898 Stein. Berl. Ent. Ztschr., (1897) vol. 42, p. 223. 



Generic characters. — Propleura, mesopleura, hypopleUra, and prosternum bare. Legs 

 black; hind tibiae with two or three anterodorsal bristles, and three or more posterodorsal 

 bristles; posthumeral bristles duplicated, the second or lower bristle equal in size and length 

 to the first or upper in the male; female without cruciate bristles. 



The following key separates the species of Eremomjaa : 



Males and females 



1. Yibrissal areas with several short, robust setulae; r-rn and m-cu cross-veins at least faintly 



clouded; proboscis moderately stout; wings grayish humeralis Stein 



Yibrissal areas without any noticeable collection of short setulae; cross-veins clear; wings 

 yellowish vernalis sp. nov. 



Eremomyia humeralis Stein 



1898 Stein. Berl. Ent. Ztschr., (1897) vol. 42, p. 224. 

 Records. — Earhest: Ithaca, ^larch 18, 1920 (collected by R. C. Shannon). Latest: Ithaca, 

 iVIay 5. 1922. 157 specimens: 87 males, 70 females. Figures 38, 94, 145, 166, on plates 

 in this memoir. 



There are differences between the males of the above series and a male 

 specimen of humeralis from Idaho. These differences are not thought of 

 sufficient value to be specific. The specunens from Ithaca are slightly 

 smaller and not so strongly bristled. The ^^brissal angle possesses a more 

 noticeable collection of robust setulae; the thorax has, in addition, a weak, 



