Jan., '03] ENTOMOLOGICAL NEWS. 15 



and ends more than the length of the posterior cross-vein before the tip 

 of the wing. The cell Rj is about one-and-a-half longer than broad. 

 The wings are short haired : the veins are yellow excepting the cross- veins 

 which are dark brown. Covering the posterior cross-vein is a pale brown 

 cloud, and near the apex below Radiusj is another. The halteres are a 

 dusky yellow or 1 rown, thf base of the peduncle is yellow. Described 

 from one specimen taken Ji ne, rgor. 



Sciara, sp. 



A single female specimen agrees with Winnertz' description 

 5*. carbonaria Meigen. The wing venation is like that shown 

 in tab. v, fig. i, of L/ur ibeck's Diptera Groenlandica. 



Dilophus serraticollis, Walker, List, etc , i, 117. 



One male and one female specimen. Both the male and the 

 female have a toothed ridge upon the pronotum and another 

 upon the anterior part of the mesonotum ; a row of spines on 

 the middle of the anterior tibia and the usual crown of spines 

 at the tip. The hind coxae are somewhat infuscated. The 

 female differs from D. obcsnlus L,oew. in having no rufous on 

 the pleurae. 



Simulium hirtipes Fries. Monogr. Simuliar. 17.5, 1824. Schiner, Fauna, 

 ii, p. 368. 



As far as I am aware this is the first record of this fly in 

 America. I have compared them with specimens from Europe 

 and found them identical. The fly is very common during 

 May and the early part of June. Specimens have also been 

 received from Ithaca, N. Y., and from Idaho. 



Thereva strigipes, Loew., Centur. ix, 72. 



The open cell Medir., would place this species in the genus 

 Dialineum Rond. The specimen in hand has a brownish black 

 thorax with two narrow longitudinal stripes not mentioned in 

 Loew's description. In other respects it agrees perfectly. 



Xylota tnarginalis, Williston. Synopsis, p. 226. 



Of three specimens t\vo agree with the description given by 

 Prof. Williston the third differs as follows : The fore tibi:v 

 are brown, the middle ard hind pairs are black, their I>;IM - 

 yellowish. The first ai.d second abdominal segments are black , 



