358 



NEW YORK STATE MUSEUM 



and brown. Abdomen grayish, with the lateral and posterior 

 margins of the segments dark brown, clothed with fine, golden 

 hairs. Ventral surface similarly marked, except that the an- 

 terior portion of each segment, as well as its basal margin, is 

 more or less brownish. Coxae gray, clothed with golden yel- 

 low and brownish hairs. Femora dark golden, with a nearly 

 black band close to the apex, the articulation at the extreme 

 tip of both femora and tibiae bright golden yellow. Tibiae 

 yello'wish, tip golden yellow. Tarsi dark, yellowish; ungues 

 golden. All the legs clothed with rather short, thick, dark 



rig. 



Antennae and mouth parts of Eucorethra underwoodi 



brown hairs. Base of halteres golden yellow; apex enlarged, 

 capitate and fuscous. Wings spotted with dark brown or fus- 

 cous; veins rather thickly clothed with narrow, nearly black 

 scales and with three distinct spots along the radius, a large 

 discal spot, a smaller one at the base of the first submarginal 

 cell and a still smaller one at the base of the second. 



Petiole of first submarginal cell about one half its length ; that 

 of the second twice its length. Posterior cross vein almost inter- 

 stitial with the mid cross vein. 



Described from a freshly bred specimen. 



Male. This sex has not been described hitherto. 



Antennae densely plumose, brown ; basal segment globose, vari- 

 ably brown, others with basal, semitransparent annulations. 

 Palpi dark at base ; first segment short, second medium, third and 

 fourth segments subequal, lighter. Prothorax as in female. 



