REPORT OF THE STATE ENTOMOLOGIST I9I4 



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narrowly oval. Palpi; a single irregular slender segment with 

 a length about four times its diameter. Mesonotum shining fuscous, 



Fig. 88 Rhopalomyia arcuata; antennal deformations showing 

 various stages, enlarged (original) 



the submedian lines indistinct. Abdomen brown. Wings hyaline, 

 cost a pale brown. Halteres yellowish. Femora pale brown, tibiae 

 and tarsi darker; claws long, slender, strongly curved, the pulvilli 

 as long as the claws. Genitalia; basal clasp segment long, stout; 

 terminal clasp segment short, stout, swollen near the middle; dorsal 

 plate long, broad, apparently divided, the lobes irregularly oval, 

 with an obtuse angular projection; ventral plate apparently long, 

 broad, broadly rounded. 



Female. Length 2 mm. Antennae extending to the third 

 abdominal segment, sparsely haired, pale brown; 13 to 14 segments, 

 the fifth subsessile, with a length one-half greater than its diameter, 

 somewhat rounded at the extremities; the two terminal segments 

 sometimes fused, the fourteenth prolonged, nearly twice the length 

 of the preceding. Palpi; one stout segment with a length nearly 

 three times its diameter. Mesonotum reddish brown, shining, 

 naked, the submedian and sublateral lines sparsely ornamented with 

 pale hairs. Abdomen nearly naked, bright red (the base frequently 

 fuscous, becoming reddish distally), the ovipositor whitish yellowish. 

 Pulvilli longer than the claws. Ovipositor about one-half the length 

 of the abdomen, stout, the terminal lobes long, slightly contracted 

 at the base, narrowly rounded. Type Cecid. ai742. 



