212 THE CANADIAN ENTOMOLOGIST. 



upon the externo-medial nervure to the same distance as the medial cell. 

 Southington, Conn., July. 



Nysson aequalis, n. sp. 



g. Length 8.5 mm. Black; mandibles, scape, first joint of flagellum 

 beneath and spot on second joint, testaceous ; tips of mandibles and 

 spot on the scape above, piceous ; spot on scape baneath, uneven line on 

 collar connected on each side with the tubercles and interrupted in the 

 middle, the tubercles excepting a piceous dot, transverse spot on anterior 

 portion of scutellum, the spines of metathorax, spots on anterior and 

 posterior coxse and at the tip of the four anterior femora beneath, and 

 interrupted bands on the four basal segments of the abdomen, that on the 

 fourth segment very narrow and that on the first segment broadest and 

 none of the bands dilated at the sides, yellow ; legs fulvous, the coxse 

 and a spot on the femora within black. Body clothed with a very fine 

 pubescence, that upon the face, the sides of the dorsal face of the meta- 

 thorax and the margins of the abdominal segments longer and distinct, 

 apex of the abdomen with a fringe of curved bristles. Wings brown; 

 third submarginal cell with a short side upon the marginal, submedial cell 

 of posterior wings extending beyond the medial cell upon the externo- 

 medial nervure. Body strongly punctured, the punctures somewhat con- 

 fluent upon the pleura of mesothorax and upon the two apical segments 

 of the abdomen and more sparse upon the other abdominal segments. A 

 slight depression on each side of the disk of the mesothorax and an im- 

 pressed median line extending upon the disk from the prothorax. Pos- 

 terior portion of scutellum, the postscutellum and the base of metathorax 

 longitudinally rugose, the rugae slightly connected by transverse 

 ruga; ; the postscutellum elevated into a transverse ridge ; sides 

 of the metathorax coarsely reticulated, the reticulations radiating 

 from the prominent spine ; posterior face of the metathorax divided into 

 three areas, the lateral areas evcavated and divided into coarse reticula- 

 tions by transverse ridges, the median area flat and finely reticulated. 

 Twelfth joint of the antennae thickest; the thirteenth joint almost equal- 

 ling the scape in length, excavated beneath. Seventh segment of the 

 abdomen terminating in an obtuse angle, its upper face having a sharp 

 ridge on each side, the ridges terminating in stout spines. 



Easthampton, Mass., July 24th. 



