128 CRABRONID®. 
and in some parts as late as August; the 9 is generally 
captured entering her burrows, and the ¢ either in company 
or settling on the leaves of plants, or both are found on 
Umbellifere. 
Sp. 2. PATELLATUS. Panz. 
niger, flavo-maculatus, stemmatibus in lineam curvam positis, 
dorsolo punctato ¢. 
antennis subfusiformis, tibiarum scutello obscuro, punctis lineisque 
hyalinis 3. 
length 43—6 lines, 
Panz. F. G. 46.4; V.d. Lind, Pt. 2. 43.3. 
Crabro dentipes. Panz. F. G. 46.9 9. 
peltarius. Schr. F. B. 2. 336. 2185. 
Thyreopus patellatus @ Q. St. Farg. An. d. 1. S. Entom. de F. 3, 
756. 3. 
Head black, pubescent, minutely punctured, the vertex irregu- 
larly concave ; the stemmata placed in a curve beyond its centre 
behind ; the face smooth, shining, and canaliculated ; the antennze 
black, with the scape beneath yellow; the inner orbits of the 
eyes and clypeus, which is carinated in its centre, covered with a 
dense silvery pubescence; the mandibles yellow or yellow- 
testaceous at the base ; piceous or rufo-piceous at their apex. 
The thorax black, subpubescent; the dorsolum and scutellum 
shining, with scattered delicate punctures; the metathorax with 
a deep longitudinal incisure, somewhat wider at its base; the 
anterior half of the metathorax obsoletely enclosed in a semi- 
circle, which is reticulated and shining, the posterior portion 
smooth and shining, with scattered punctures; the collar with a 
mark on each side; the tubercles and the scutellum in front, 
sometimes yellow, but more frequently black; the tegule 
testaceous; the wings slightly fuscous, the edge darker and their 
nervures testaceous; the legs yellow, with their femora black, 
and the anterior and intermediate tibie black beneath, the 
posterior pair ferruginous at their apex within; the tarsi having 
