138 THE CANADIAN ENTOMOLOGIST. 



black ; base of the thighs sanguine ; abdomen below punctured at the 

 sides, sanguine, with a large black discoidal spot, rather nearer the anus ; 

 nearly divided into two; on the sides and at the base naked, but a quad- 

 rangular space of the inner side of each division is covered with decum- 

 bent subcinereous pile. 



N. B. The antepectus is entirely pallid, but the socket, if it may be 

 so called, of the legs is redder at the margin than the rest. 



385. Pentatoma trilineata Kirby. — Plate vi., fig. 6. — Length of 

 body 3 lines. One specimen taken with the preceding. 



[277.] Body underneath and the head black, a little bronzed ; thickly 

 punctured with rather deeply impressed punctures ; antennae reddish at 

 the base, with the two last elongated and incrassated joints black ; pro- 

 thorax black anteriorly, posteriorly lurid with the lateral margin and an 

 intermediate longitudinal impunctured line, which extends nearly through 

 the scutellum, white ; the scutellum has also a white linear spot and dot 

 on each side at the base ; the punctures of the thorax, scutellum, and 

 hemelytra are black ; the membrane of the latter is white ; the legs and 

 sides of the breast are lurid spotted or punctured with black; the elevated 

 basilar portion of the bed of the rostrum is concave and has a semicir- 

 cular outline, and its margin, viewed under a strong magnifier, is minutely 

 serrulate. 



FAMILY EDESSID.E. 



386. Edessa nebulosa Kirby. — Length of body 3-4 lines. Three 

 specimens taken in the journey from New York to Cumberland-house, 

 and in Lat. 65 . 



Body pale yellowish, sprinkled with black impressed punctures, most 

 numerous and largest on its upper surface, which is clouded with reddish- 

 brown, or blackish shades ; the antennas are of a reddish-yellow ; the 

 lateral angles of the prothorax are more acute than in the Paitatomce ; the 

 scutellum is acuminate or attenuated at the apex ; the lateral margin of 

 the abdomen has a black spot on each segment, which sometimes appears 

 on the ventral segments. 



Variety B. Smaller, with the ventral segments of the abdomen 

 rufescent, and the clouding of the upper surface of the body blacker ; the 

 thorax also is black posteriorly. 



