REPORT OF THE STATE ENTOMOLOGIST I906 1 59 



Legs nearly uniform pale straw, the femora rather sparsely clothed 

 with fuscous hairs. 



Swept from solidago or sweetfern at Albany, N.Y., June 4, 1906. 



Type Cecid. 124, N. Y. State Museum. 



Rhopalomyia astericaulis n. sp. 



Male. Length 2.5 mm. Antennae probably extending to the 

 fourth abdominal segment, sparsely haired, dark brown, 18 seg- 

 ments. Mesonotum reddish brown, darker laterally, the sub- 

 median lines rather thickly clothed with long hairs. Scutellum 

 fuscous yellowish, postscutellum yellowish. Abdomen reddish 

 brown with the segments margined posteriorly with long hairs. 

 Halteres whitish transparent basally, fuscous apically. Legs a 

 somewhat variable dark brown. 



Collected and bred by Dr M. T. Thompson of Clark University, 

 Worcester, Mass. from an oval twig gall on aster. Probably an 

 inquiline with Choristoneura ramuscula Beutm. 



Type Cecid. 1107a, N. Y. State Museum. 



Rhopalomyia thompsoni n. sp. 



Male. Length 2.5 mm. Antennae nearly as long as the body, 

 sparsely haired, pale yellowish, the basal and distal segments 

 tinged with reddish; 19 segments. Mesonotum dark reddish, the 

 submedian lines sparsely clothed with fine setae. Scutellum pale 

 salmon, postscutellum dark brown. Abdomen a deep brick-red 

 with heavy bands of black scales, genitalia fuscous. Halteres 

 yellowish transparent. Legs mostly black, the coxae and base of 

 femora a variable yellowish. 



Female. Length 4 mm. Color characters nearly as in the opposite 

 sex. 



Collected and bred by Dr M. T. Thompson of Clark University, 

 Worcester, Mass. from a globular or ovoid, fleshy gall on the root- 

 stock of Solidago rugosa. 



Type Cecid. iioo, N. Y. State Museum. 



Oligotrophus asplenifolia n. sp. 

 Male. Length 2 mm. Antennae nearly as long as the body, 

 sparsely haired,'' light fuscous yellowish, 15 segments. Mesonotum 

 dark brown, the narrow submedian lines and posterior median area 

 yellowish. Scutellum and postscutellum fuscous yellowish. Abdo- 

 men a deep orange yellow, the distal segments paler, the incisures 



