REPORT OF THE STATE ENTOMOLOGIST I907 289 



lighter at the base, all black distally with the incisures clothed 

 with silvery scales, tibiae black with the articulations clothed 

 with silvery scales, tarsi black, gray ventrally. 



Bred September 3, 1907, from flower heads or leaves of 

 H e 1 i a n t h u s s t r u m o s u s taken at Highland, N. Y. 



Type C. ai7i8x, N. Y. State Museum. 



Arnoldia absobrina n. sp. 



Male. Length 1.25 mm. Antennae nearly as long as the 

 body, rather thickly haired, dark brown, 12 segments. Head, 

 mesonotum, abdomen, coxae and pleurae all reddish yellow, the 

 mesonotum with the sublateral area slightly brownish, the ab- 

 domen sparsely clothed dorsally with fuscous hairs. Halteres 

 yellowish transparent, fuscous subapically. Legs with the coxae 

 and femora pale yellowish, the latter becoming darker distally; 

 tibiae and tarsi dark brown. 



Female. Length i mm. Antennae extending to the third ab- 

 dominal segment, sparsely haired, dark brown, 12 segments, the 

 basal segment and face yellowish. Mesonotum dark brown, the 

 submedian lines sparsely haired. Scutellum pale orange, post- 

 scutellum pale yellowish. Abdomen rather thickly clothed with 

 fuscous hairs, pale yellowish. Halteres yellowish basally, fus- 

 cous apically. Coxae and femora fuscous yellowish, tibiae and 

 tarsi dark brown. 



Bred from a jar containing Crataegus leaves bearing a sub- 

 cylindric fimbiiate unicellular gall. 



Type C. ai555x, N. Y. State Museum. 



Arnoldia fraxinifolia n. sp. 



Male. Length i mm. Antennae about as long as the body, 

 rather sparsely haired, dark brown, the basal segments yel- 

 lowish, 12 segments; face fuscous yellowish. Mesonotum light 

 brown, the submedian lines indistinct. Scutellum, postscutellum 

 and abdomen a nearly uniform light yellowish or yellowish 

 orange, the latter sparsely clothed dorsally with fuscous hairs, 

 genitalia light fuscous. Halteres yellowish basally, light fus- 

 cous apically. Coxae and femora pale yellowish, tibiae light 

 fuscous straw, tarsi dark brown, almost black. 



Bred July 25, 1907, from badly rolled young ash leaflets taken 

 at Newfoundland, N. J. 



Type C. a 1 572a, N. Y. State Museum. 

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