THE CANADIAN ENTOMOLOGIST. 151 



as the trunk ; trunk oblong, widest between the wings ; scutellum rather 

 large, rounded at tlie apex ; metathorax obsoletely transversely wrinkled, 

 sloping towards the abdomen ; posterior legs rather robust ; wings 

 embrowned, middle areolets four, viz., 3 and i, all cjuadrangular ; stigma 

 very large ; abdomen lanceolate-ovate, as long as the trunk, safifron 

 coloured, paler towards the apex ; the three first segments are emarginate, 

 and marked with two longitudinal taint furrows, the first pair being curvi- 

 linear ; ovipositor longer than the body, borer red. 



FAMILY FORMICID^E. 



[262.] 362. Formica semipunctata Kirby. — Length of body 7^ 

 lines. Several taken in Journey from New York to Cumberland-house. 



Body black, glossy. Head something wider than the trunk, sub- 

 triangular ; antennae piceous with the scape black ; wangs cast in all the 

 specimens ; scale vertical between the trunk and abdomen, sloping to a 

 thin edge upwards, where it is very slightly emarginate ; abdomen oblong, 

 subcylindrical, minutely punctured with the punctures piUforous ; hairs 

 decumbent with those of the margin of the segments and the anus, longer ; 

 margin of both abdominal and ventral segments membranous, membrane 

 reddish ; base of the three intermediate segments not punctured. 



363. Formica fusca Linn. — Length of body \% line. One speci- 

 men taken in Lat. 65°. 



[263.] % . — Body black, but not intensely, glossy, subcinereous from 

 down. Head triangular, large, much wider than the trunk ; antennsewith 

 the scape, the three following joints, and the terminal one, rufous ; the 

 other joints are darker ; trunk oblong, compressed, anteriorly elevated and 

 wider ; the prothorax with the scutellum forming a rhomboid ; scutellum 

 large, trapezoidal, subrufous ; scale subtriangular, subemarginate ; legs 

 rufous ; thighs embrowned ; abdomen subglobose, more hairy than the 

 rest of the body, especially towards the anus. 



family VESPIDiE. 



364. Vespa vulgaris Linn. — Length of body 6^ lines. A single 

 specimen taken in Lat. 65°. 



