40 THi; CANADIAN feNTOMOLOGlST. 



Gnathodus cofi/usus, G. & B. 



1895. Gillette & Baker, Prelim. List Hemip. Colo , p. 104. Fig. 



" Face one-fifth wider than long ; clypeus twice as long as broad, 

 basal suture strongly curved, somewhat constricted near the base, 

 broadest near the tip ; lorae about three-fourths as broad and three-fourths 

 as long as the clypeus ; genae broadly depressed beneath the eyes, 

 margin beneath the eyes inverted, broadly rounded below, moderately 

 broad below the lorae and attaining the tip of the clypeus ; front one-fifth 

 longer than broad, once and two-thirds the length of the clypeus, supe- 

 riorly broadly rounded. Face, vertex, and pronotum finely shagreened. 

 Vertex scarcely longer on the middle than next the eyes, width between 

 the eyes slightly more than four times the length at the middle. 

 Pronotum slightly less than twice as broad as long, length nearly four 

 times that of the vertex, curvature about one-half of length, considerably 

 wider than the head, hind margin slightly concave. Transverse groove 

 of scutellum black. Hind margin of last ventral segment of female 

 truncate. Colour yellowish-green. Face sordid yellow, basal angles of 

 the clypeus with an infuscated spot. Vertex of the same colour as the 

 face, with three indistinct longitudinal smoky bands, the ocelli in light 

 areas. Pronotum light yellowish-green on the anterior and lateral 

 margins, darker green on the middle, two dark brown spots medially just 

 back of the anterior margin, the latter in some specimens entirely obso- 

 lete. Scutellum pale yellow, basal angles darker. Elytra greenish-sub- 

 hyaline, slightly maculate with brown near the clavus, somewhat smoky 

 towards the tip. Tergum black with the apical margins of the segments 

 yellow. Venter yellow with rhe first two or three segments black at the 

 base, pygofers yellowish. Sternum black. Legs yellowish throughout, 

 with infuscated lines on the outside of the femora. 



" Length, 3.75 mm. Described from seven females. 



" Pleasant Valley, seven miles north-west of Fort Collins, June 12th ; 

 Estes Park, July 12th (Gillette); Steamboat Springs, July 12th, on 

 Carex (Baker). 



" We have a single female specimen which seems distinct from this 

 species, but to which at this time we hesitate giving a name. It differs 

 as follows : The colour more yellowish. Pronotum distinctly less than 

 iwice broader than long. Length, 4 mm. 



" Estes Park, July 12th (Gillette)." 



