XXI. CRABRO. 129 
their basal joints yellow and the rest ferruginous, getting darker 
towards the apex ; the anterior tarsi strongly ciliated and all the 
tibize very spinose. 
The abdomen elongate-ovate, the first segment narrowed into 
a petiole at its base, with five yellow bands variously interrupted, 
the second and third (the first of which is the broadest, and the 
last the narrowest of all) generally most, the fourth and fifth fre- 
quently entire ; the apex of the anus ferruginous ¢?. 
The ¢ differs in having the clavolet of the antennz subfusi- 
form, its first six joints concave beneath, the seventh to the tenth 
serrated on the exterior, and the five first fimbriated within; the 
thorax with seldom any yellow markings; the sculpture of the 
metathorax much stronger, its posterior portion generally trans- 
versely striate: the anterior coxe produced at their apex into a 
long acute tooth; their trochanters flat beneath; their femora 
dilated posteriorly, flat and having at their base beneath a long 
curved spine; their tibize dilated posteriorly into a concavo- 
convex sublobate plate; the tarsi dilated, the first joint concave 
above, the apical joint produced within into a compressed plate, 
the apex below obsoletely bidentate, within emarginate, and 
above having a long curved spine; the trochanters and femora 
yellow, the latter black in front; the tibize yellow in front, with 
a black stripe behind, their plate slate-coloured behind, where it 
has some abbreviated transverse pale strie and macule, and 
piceous in front; their tarsi testaceous; the intermediate coxe 
and trochanters yellow; the femora yellow before and behind, 
black above and below, with the rest like the @. 
g @ in most Cabinets. 
+4+ Both sexes abundant in the spring in sandy situ- 
ations ; the ¢ is generally found settling upon the leaves of 
bushes or shrubs. 
Sp. 3. scuratus. Fab. 
mger, clypeo flavo-maculato, metathoracis basi oblique striato, 
peristethit apice denticulato 9. 
4 antennis filiformis, tibiarum scutello albo apice nigro: 
length 3—4 lines. 
k 
