298 NEW YORK STATE MUSEUM 



Antennae of the male as long as the head and thorax taken 

 together, 14-jointed, the first joint short, disk-like, the following 

 joints densely plumose; the antennae of the female shorter, 7- 

 jointed, with a few erect hairs. Proboscis short, palpi curved, 

 4-jointed, the joints of about equal length. Thorax and abdomen 

 hairy, the thorax strongly developed, highly arched, conically pro- 

 duced in front; scutellum and metanotum arched; the sternum 

 projecting almost nipple-like from between the fore and middle 

 legs (pl.34, flg.24) . Abdomen cylindrical, the genitalia moderately 

 enlarged; legs thickly haired, the apical ends of the femora and 

 all of the tibiae, particularly the hind ones, thickened ; the fore 

 metatarsus about one fourth shorter than the fore tibia, upon each 

 side with long cilia. Wings long and narrow, thickly haired ; the 

 anal angle prominent; E^ and R^^-g straight, the latter ending at 

 the end of the costa ; crossvein proximad of the mid length of the 

 wing ; media unbranched, almost straight and entering the margin 

 immediately below the apex of the wing; the fork of the cubitus 

 distad of the crossvein; both branches bent gently downward; 

 humeral crossveins quite distinct. V. d. Wulp, loc. cit. 



KEY TO THE SPECIES OF ETJRYCNEMTJS 



Larvae and pupae of the species of this genus have never been described 

 as far as I am aware. Walker's two species may not belong to this 

 genus, but are placed in the following key because of that author's state- 

 ment " allied to a e s t i v u s ." 



Imagines 



a Thoracic stripes and fasciae on abdominal segments brown ; length 4 mm. 



(N. J.) 1. scitu lus 



aa Thoracic stripes yellow 



h Thorax yellow ; length 5.5 mm 2. u n i c o 1 o r 



66 Thorax green with orange colored stripes ; length 9 mm. 



3. lasiomerus 



1. Eurycnemus scitulus Coquillett 



1901 Eurycnemus Coq. Proc. U. S. Nat. Mus. 23 : 608 



Female. Yellow, the palpi, apices of antennae, four vittae on 

 the mesonotum, a small spot below and slightly in front of each 

 wing, the metanotum, except the upper margin and sides, a broad 

 fascia at base of abdominal segments two to seven; the knees, 

 apices of tibiae and of tarsal joints, dark brown; mesonotum sub- 

 opaque, front tarsi bare ; wings almost wholly covered with brown 

 hairs grayish hyaline, the portion in front of the first (RJ and 

 third (1^4+5) veins pale brown; veins brown; length 4 mm. 

 Habitat : Riverton, New Jersey. 



