THE f CA&AMAfc 'ENTOMOLOGIST. 159 



Body black with a very slight aeneous tint ) glossy, hairy with ciner- 

 ascent hairs, those of the trunk long. Head orbicular, scarcely so wide 

 as the trunk ; upper lip small, convex, orbicular, punctured ; antennae 

 black ; wings subhyaline with a cloud at the tip ; nervures some piceous 

 and others rufous ; thighs black with a very slight tint of blue ; posterior 

 pair armed with a tooth j abdomen short, subovate, black, covered more 

 or less with short decumbent down y black above, underneath reddish at 

 the tail. 



[256.] FAMILY TENTHREDINIDjE. 



354. Allantus leucostoma Kirby. — Length of body 6 lines. One 

 specimen taken in Lat. 65 . 



Body narrow, black, glossy, without hairs. Head scarcely so wide as 

 the trunk, wedge-shaped ; palpi, suborbicular upper lip, emarginate nose, 

 and base of the mandibles, white ; apex of the latter rufous ; antennae a 

 little shorter than the trunk, nine-jointed, with the third joint longer than 

 any of the others ; neck constricted ; tegulae testaceous ; wings sub- 

 hyaline with piceous nervures ; legs yellow, with the apex of the tibiae 

 and the whole of the tarsi of the posterior legs, black ; abdomen linear, 

 acute at the anus. 



This species comes near Allantus ater, but the mandibles are rufous at 

 the apex ; the palpi are whiter ; and the legs of a different colour. 



FAMILY SIRICIDjE. 



355. Sirex bizonatus Stephens. — Length of body 18 lines; expan- 

 sion of wings 27 lines. Taken in Lat. 65 and in the journey from New 

 York. 



[257.] Body very black, covered with innumerable punctures from 

 each of which proceeds a black upright hair. Head narrower than the 

 trunk ; mandibles incumbent ; palpi rufo-piceous ; antennae as long as 

 the trunk, yellow ; behind each eye is a large oval yellow eye-like spot 

 perfectly naked and smooth ; legs and tips of the thighs yellow ; wings 

 yellowish with dark nervures ; ! abdomen with the second, seventh and 

 eighth segments luteous ; anal mucro linear, yellow, terminating in a 

 point ; ovipositor black.  



The specimens of this species, which Mr. Stephens found near Lon- 

 don, might probably have been imported in fir timber from Canada. 



