Appendix: D 



NEW SPECIES OF CECIDOMYIIDAE II 

 Miastor americana n. sp. 



Female. Length 2.5 mm. Antennae extending to the base 

 of the coxae, sparsely haired, brown, 12 segments. Mesonotum 

 dark brown. Scutellum reddish brown, postscutellum fuscous 

 yellowish. Abdomen pale salmon, fuscous basally, yellowish 

 apically. Legs a nearly uniform yellowish brown. 



Taken at Highland, N. Y. June 18, 1907, presumably occurring 

 on either beech or chestnut leaves. 



Type C. 121 1, N. Y. State Museum. 



Oligarces noveboracensis n. sp. 



Female. Length i mm. Antennae extending to the second 

 abdominal segment, pale yellowish, 13 segments ; eyes small, 

 brown, ocelli absent, face yellowish. Mesonotum light brown, 

 pleurae pale orange. Scutellum and postscutellum light fuscous 

 yellowish. Abdomen pale yellowish, the basal and distal seg- 

 ments pale orange, the ovipositor whitish. Halteres yellowish 

 transparent. Legs short, about three fourths the length of the 

 body, a nearly uniform pale yellowish white. 



Taken on office window, July 15, 1907, and presumably bred 

 from some material brought into the office. 



Type C. 1226, N. Y. State Museum. 



Brachyneura americana n. sp. 



Female. Length i mm. Antennae extending to the base of 

 the abdomen, thickly clothed with narrow scales, black, 12 seg- 

 ments. Mesonotum very dark brown, sparsely ornamented with 

 yellowish hairs. Scutellum black with yellowish hairs basally, 

 postscutellum and abdomen dark brownish black. Wings sub- 

 hyaline. Halteres fuscous yellowish basally, black apically. 

 Legs mostly a uniform fuscous or black, the second and third 

 segments of the posterior tarsi fuscous yellowish. 



Taken August 2, 1906, on a window and presumably bred from 

 some material brought into the office. 



Tvpe C. 734, N. Y. State Museum. 

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