202 



NEW YORK STATE MUSEUM 



brownish. Legs pale at base, gradually darkening distally, tarsi 

 light brown; claws slender, uniformly curved. Ovipositor short, 

 about one-fourth the length of the body, terminal lobes short, 

 stout, broadly rounded. Type Cecid. 80. 



Bui. 23, p. 387 



Phytophaga ulmi Beutm. 



1907 Beutenmueller, William. Amer. Mus. Nat. Hist. 

 (Cecidomyia) 



1908 Jarvis, T. D. Ent. Soc. Ont. 38th Rep't, p. 86 (Cecidomyia) 



1908 Felt, E. P. N. Y. State Mus. Bui. 124, p. 369 (Mayetiola) 



1909 Jarvis, T. D. Ent. Soc. Ont. 39th Rep't, p. 80 (Cecidomyia) 

 1912 Felt, E. P. N. Y. Ent. Soc. Jour., 20:240 (Male) 



This ^bright-red species was reared from small terminal leaves or 

 leaf buds of the American elm, Ulmus americana. It occurs 

 about New York City, probably at Albany, N. Y., and has been 

 reportedly Jarvis as fairly common in Ontario, Canada. 



Gall. This is produced by the folding and growing together of 

 small, immature, terminal leaves or leaf buds, the adults appearing 

 in June^and July. 



Female. Length 1.5 mm. Antennae ex- 

 tending to the third abdominal segment, 

 sparsely haired, pale yellowish; 14 sub- 

 sessile segments, the fifth with a length 

 about two and one-half times its diameter, 

 tapering; terminal segment produced, nar- 

 rowly oval, more or less fused with the 

 preceding. Palpi; the first segment rather 

 long, irregularly oval, the second short, 

 stout, broadly oval, the third nearly wice 

 the length of the second, more slender, the 

 fourth a little longer and more slender than 

 the third; face yellowish brown. Meso- 

 notum light shining brown, the submedian 

 lines sparsely haired. Scutellum yellowish 

 brown, postscutcllum fus ous yellowish. 

 Abd men very sparsely haired, light fuscous 

 yellowish (in life bright red) ; terminal seg- 

 ment a little darker, ihe distal portion of 

 the ovipositor pale yellowish. Wings hya- 

 line, costa dark brown, the third vein just 

 before the apex. Haltcres yellowish ha sally, 

 slightly fuscous apically. Coxae and base 

 of femora pale yellowish, the femora distally 

 and tibiae basaUy a variable brown or yellowish brown, the distal 

 portion of tibiae and tarsi dark brown; elaws long, slender, evenly 



curved; pulvilli shorter than the claws. Ovipositor aboul as long as 



the body, the terminal lobes short, broad, broadly rounded. 



Fig, 42 l'h y to p h a g a 

 u Imi; gall nearly natu- 

 ral size (original) 



