XX1, CRABRO. 165 
the clypeus (which is carinated in the centre), covered with a 
dense} silvery pubescence ; the mandibles black at their base, 
then testaceous or yellow, and their apex rufescent. 
The thorax black, delicately punctured, somewhat shining ; 
the metathorax smooth and shining, with a consute cruciform 
incisure, the transverse one curving upwards, and the posterior 
portion of the metathorax with a few minute scattered punc- 
tures; the collar with a transverse band, sometimes interrupted, 
the tubercles, the base of the wings (not the tegule, which are 
rufo-piceous), and a spot on the scutellum, all yellow; the wings 
hyaline, iridescent, their nervures piceous; the legs with the 
femora black, the tibiz yellow, the anterior and intermediate 
black beneath, as well as the apical half of the posterior ones, 
the tarsi rufo-piceous or rufo-testaceous, their basal joint more 
or less yellow; the anterior pair ciliated on the exterior, and all 
the tibiz spinose. 
The abdomen elongato-ovate, black, pubescent, the first 
segment narrowed anteriorly into a petiole; the anal segment 
coarsely punctured and ferruginous at its apex ¢. 
The ¢ I do not know, but V. d. Linden describes it as being 
like the 2, only less yellow. 
g in the Cabinets of Mr. Walker 
and the Author. 
+++ This species was captured by F. Walker, Esq., at 
New Lanark, in Scotland, to whom I am indebted for 
specimens. 
Sp. 25. puspescens. N. Sp. 
niger, elongatus, capite et thorace pilis longis vestitis, metathorace 
levi ¢. 
length 3 lines. 
Head black, opaque, with punctures scattered over an irregular 
surface ; the stemmata placed in an equilateral triangle rather 
