XXI. CRABRO. 147 
front, black behind, and yellow beneath; their tibze also ferru- 
ginous in front, yellow above, and black behind ; their anterior 
tarsi piceous, the first joint and base of the second pale, the 
former reddish at its base; the intermediate femora black, their 
tibize yellow above, ferruginous in front, and black behind ; and 
the posterior femora black, their tibiee yellow, with a black stain 
in front, and a ferruginous one behind; the four posterior tarsi 
rufo-ferruginous, their basal joint being a little paler in the 
posterior pair, sometimes yellow ; the sixth segment of the ab- 
domen has sometimes some yellow markings, or a band, at its 
base. 
g$ ¢ in most Cabinets. 
+4+ This species is common. 
Sr. 12. susruncratus. Rossi. 
niger, flavo-maculatus, margine infero capitis ulrinque spind ar- 
mato, metathoracis basi levi g Q. 
length 33—5 lines. 
Rossi, F. E. 2. 156.891 9. V.d. Lind. pt.2. 58.19. g 9. 
Crabro 4-maculatus. Fab. E. 8. 2. 294. 4.3; Piez. 308.3. ¢. 
murorum. Latr. Hist. Nat. 13. 324, 5. 9. 
Crossocerus subpunctatus. St. Farg. 3. 766.3. g 9. 
Head black, punctured, but not thickly ; several irregular de- 
pressions on the vertex ; the stemmata placed in a triangle in its 
centre; a deep longitudinal depression, extending from the 
anterior stemma to the face, where it becomes a canalicula, oc- 
cupying all its space between the eyes; the antennz black, with 
the base and apex of the scape generally fuscous ; the clypeus 
strongly carinated in the centre, and very loosely covered with 
a brassy pubescence; the mandibles fuscous, with their apex 
rufo-piceous, sometimes entirely piceous; the carina which se- 
parates the jugulum from the gene terminated anteriorly in 
an acute tooth. 
The thorax black; the dorsolum loosely punctured, its base 
Bee 
