12 JOURNAL OF ENTOMOLOGY AND ZOOLOGY 
Sirex apicalis Kirby 
1882 Sirex apicalis Kirby, ¢. List Hym. Brit. mus.; v. 1: p. 377; pl. 
15,8. 1. 
1898 Paururus areolatus Konow, ¢ ?. Syst. und krit. Bearbeitung der 
Siricini. < Wien. ent. Zeit.; v. 17: p. 81. 
I have seen a single specimen from unknown locality. S. 
obesus may be the female of this. 
Distribution: Vancouver Island. 
Sirex obesus new species 
2. ## Metallic blue-black, duller on abdomen. Wings dark 
violaceous, especially at base and the costal margin. Body short 
and stout, the thorax exceptionally broad, distinctly wider than 
the head. 
Head and thorax clothed with sparse black pubescence; 
clypeus longitudinally striate; gene closely and coarsely punc- 
tured; vertex with a distinct longitudinal prominence on each 
side above, these sparingly punctured and shining, rest of ver- 
tex coarsely closely punctured, almost rugose in places; anten- 
nx short, 18 mm., 19-segmented, the apical segments with flat- 
tened surfaces, a longitudinal channel on the inner surface of 
each segment; thorax coarsely punctured, the shoulders tuber- 
culate; mesoscutum mesally in front nearly impunctate and 
shining. 
M, separating from M, midway between R, and R, in front 
wings. Legs rather short, stouter than in edwardsu and more 
spinose; the second tarsal segment shorter than the two follow- 
ing united; the claw with a strong tooth beneath and a lobe at 
base. 
Basal plates and to some extent the second segment pubes- 
cent; the second and remaining dorsal segments minutely sha- 
greened, opaque, the eighth toward the apex with punctures 
bearing short hairs; the precornal basin deep, broader than 
long, without a central carina, separated from the cornus by a 
suture; the upper surface of the cornus making an obtuse angle 
with the dorsal surface of the ninth segment; the base of the 
cornus considerably narrower than the ninth segment; cornus 
