REPORT OF THE STATE ENTOMOLOGIST I9I3 IO7 



broadly and roundly emarginate. Harpes short, stout, scarcely 

 tapering, irregularly truncate and with several chitinous spurs. 



Female. Length 2.5 mm. x\ntennae extending to the fourth ab- 

 dominal segment ; fuscous yellowish ; 20 sessile segments, the fifth 

 with a length fully two and one-half times its diameter ; terminal 

 segment greatly produced, narrowly rounded distally. Abdomen 

 very sparsely clothed with fine hairs, brown, the incisures and 

 pleurae deep orange, the ovipositor pale yellowish, ventral sclerites 

 dark brown. Ovipositor probably one-half the length of the abdo- 

 men, the terminal lobes long, narrowly oval. Type Cecid. ai505. 



The following references apply with little question to the species 

 described above. It may be noted that this gall occurs on Spiraea 

 salicifolia, S. tomentosa and S. betulaefolia. 



1867 Osten Sacken, C. R. Ent. Soc. Phila. Proc, 6:220 

 1907 Jarvis, T. D. 57th Rep't Ent. Soc. Ont.. p. 68 



1907 Cook, M. T. Acad. Sci. Proc, Sep. p. 8 



1908 Jarvis, T. D. Ent. Soc. Ont., 38th Rep't. p. 88 



1909 Ent. Soc. Ont., 39th Rep't, p. 90 



1910 Stebbins, F. A. Springf. Mus. Nat. Hist. Bui. 2. p. :^^ 



Rhabdophaga consobrina Felt 



1907 Felt, E. P. N. Y. State Mus. Bui. no, p. 113. Sep. p. 17 

 1908 N. Y. State Mus. Bui. 124, p. 355 



This dark brown male was taken May 17, 1906 at Albany, N. Y., 

 in the vicinity of maple, elm and various bushes. 



Male. Length 3 mm. Antennae shorter than the body, dark 

 brown ; 19 segments, the fifth with a stem about one-third the length 

 of the basal enlargement; terminal segment greatly prolonged, 

 broadly rounded apically, slightly constricted at the distal third. 

 Mesonotum dark brown, submedian lines rather thickly dark haired. 

 Palpi ; first segment subquadrate, the second one-half longer than 

 the first, a little stouter, the third a little longer than the second, 

 more slender and the fourth one-half longer than the third. Scutel- 

 lum dark brown, thickly clothed with yellowish white hairs, post- 

 scutellum reddish anteriorly, dark brown posteriorly. x\bdomen 

 dark brown, sparsely clothed with whitish hairs. Wings subhyaline, 

 costa dark brown. Halteres yellowish transparent at base, fuscous 

 apically. Legs dark brown, lighter ventrally ; tarsi darker ; claws 

 stout, strongly curved. Genitalia ; basal clasp segment stout ; ter- 

 minal clasp segment swollen basally ; dorsal plate deeply incised ; 

 ventral plate narrow at base, dilating distally, deeply and triangularly 

 emarginate. Harpes convolute, broadly truncate and with a sub- 

 quadrate, chitinous process apically. Type Cecid. 39. See plate 5, 

 figure 3 and plate 7, figure 4 for illustrations of the wing and 

 genitalia respectively. 



