126 



NEW YORK STATE MUSEUM 



transverse row of pale, circular spots, which are evidently con- 

 nected on one sidfe at least by a similar longitudinal row as in the 



case of R h a b d o - 



m6 



phaga salicis 

 Schrk. Palps com- 

 posed of five distinct 

 segments, a short, 

 basal one, the sec- 

 ond a little longer, 

 the third and fourth 

 fully half longer 

 than the second and 

 the fifth about half 

 longer than either 

 the third or fourth, 



Fig. 35 



D a s y n e u r a p s*e u'd a'c a c i a e , [female wing.'rnuch 

 enlarged (Original) 



all sparsely ornamented with irregularly placed, stout setae ; mouth 

 parts rather prominent. Eyes large, coarsely granulate. Mesono- 

 tnm light brown with indistinct grayish vittae and with a sparse 

 clothing of fine, yellowish hairs. Scutellum prominent, crowned 

 with a sparse row of golden yellow setae, dark brown anteriorly, 

 golden yellow posteriorly ; postscutellum golden yellow. Abdomen 

 dark brown or reddish, sparsely ornamented with rather coarse 

 golden yellow setae, pleura yellowish. Wings hyaline sparsely 

 clothed with rather coarse, curved hairs ; base of costa a little more 

 thickly clothed and with a few linear scales; subcosta rather indis- 

 tinct, uniting with costa at the basal third ; s first longitudinal vein 

 well marked, joining the border just before the apex, anal vein 

 indistinct. Halteres with a long, yellowish pedicel, apex greatly 

 enlarged, elongate, fuscous. Legs pale yellowish clothed with a 

 silvery white pubescence, first tarsal segment very short, second 

 much prolonged, third less 

 than one half that of the sec- 

 ond, fourth and fifth each 

 two thirds the length of the 

 preceding segment. Claws 

 simple, empodium well de- 

 veloped. Terminal abdo- 

 minal lobes slender, finger- 

 shaped. 



Male. Antennae composed 

 of 14 segments, all except the 

 basal two and the 14th pedi- 

 cellate distally, the apical 

 two thirds of the large basal 



portion of each irregularly Fig. 36 Dasyneura pseudacaciae, two an- 

 1 .,i • tennal segments of male, much enlarged (Original) 



ornamented with conspicuous B . «ki«»v 



setigerous tubercles bearing long, slightly curved setae two or three 

 times as long as the width of the segment, the distal third of the 

 latter smooth, narrow, forming a pedicel. There is a narrow, dis- 

 tinct though inconspicuous, transverse, white spotted band at the 



