212 CRABRONIDE. 
Thorax black, punctured, pubescent ; the metathorax obtusely 
truncated at its extremity, having the triangle at its base longi- 
tudinally striated, beyond which it is very coarsely rugose, and 
with a deep central incisure ; the collar, tubercles, a spot beneath 
the base of the wings, and the post-dorsolum, yellow ; the tegulee 
piceous ; the wings fuscous, with a darker stain occupying their 
marginal cell and extending a little beyond it, and the extreme 
edge of the wings also somewhat darker, the stigma testaceous, 
and their nervures piceous ; the legs ferruginous, with the femora 
black ; the tibize and tarsi entirely simple. 
The abdomen black, pubescent; at the base very minutely 
punctured and shining ; an ovate transverse yellow spot on each 
side of the margin of the first segment, and a band of the same 
colour occupying the margin of the second and third segments, 
waved in front of the former and dilated at the sides, and some- 
times another, abbreviated at the sides, on the fourth segment 9. 
The ¢ differs in having a silvery pubescence on the clypeus, 
the ovate yellow spots upon it frequently united; the antennz 
considerably longer than the head and thorax united, and the 
joints subarcuate; the yellow markings on the thorax often 
obsolete or entirely wanting, which is rarely however the case 
with the line on the prothorax, but is occasionally interrupted or 
abbreviated ; the legs black, with the anterior and intermediate 
tibize yellow, having a black patch behind, the first joint of their 
tarsi also yellow, and the posterior tibiae with merely a yellow 
line in front descending half-way down the limb; their tarsi, as 
well as the remaining joints of the others, piceous, increasing in 
colour from the base. 
g$ ¢ in most Cabinets. 
+44 The Linnean Cabinet, as well as the ‘ tibie ferru- 
ginee’ of the description, prove that Van der Linden was 
right in considering the Vespa campestris of Linné a variety 
of this insect, and which is by no means uncommon; St, 
Fargeau consequently is incorrect in treating the next as 
