CRABRO CLYPEATUS. 153 



clouded ; a minute tooth at the apex of the metasternum, a 

 spot on the scutellum, and an interrupted line on the collar, 

 yellow ; the anterior legs yellow ; the coxae and trochanters 

 black, a black line on the exterior of the femora and tibiae, and 

 the base of the tibiae within, black ; their tarsi whitish, the first 

 joint dilated and rounded behind, the following subtriangular, 

 all covered with a silvery pubescence ; the basal joint with a 

 black spot on its exterior margin, the claw -joint also black ; 

 the intermediate and posterior legs, with the knees and lower 

 portion of the tibiae, yellow ; the tarsi of the intermediate pair 

 whitish, with the apex of the first two joints, and the whole of 

 the last, black ; the first joint of the posterior tarsi whitish. Ab- 

 domen elongate, delicately punctured, with a slight griseous 

 pubescence, the basal segment subpetiolate. 



Female. Length 3 lines. — Resembling the male ; the legs black ; 

 the anterior tibiae in front, the base of the intermediate and 

 posterior tibiae, and the two basal joints of their tarsi, white ; 

 the yellow on the collar and scutellum seldom present as in the 

 male. 



The latter sex has not been taken in this country. The above 

 is Van der Linden's description of it. The male is occasionally 

 taken in the London district, but it is not common; it has 

 occurred at Deal, at Shanklin, Isle of Wight, and at Bristol. 



30. Crabro clypeatus. 



C. niger ; capite triquetro ; abdomine flavo-maculato ; antennis 



filiformibus. Mas. 

 C. niger ; capite quadrato ; abdomine flavo-fasciato, primis tribus 



interruptis. Fam. 



Sphex clypeata, Linn. Syst. Nat. i. 945. 24 $ , 8f Cab. Mus. Linn. 

 Soc. 



Schrank, Ins. Austr. p. 386. 780. 



Christ. Hym. p. 285. t. 27. f. 5. 

 Crabro clypeatus, Fair. Syst. Ent. p. 375. 7 <? ; But. Syst. ii. 297. 

 15; Syst. Piez. p. 312. 18. 



Rossi, Faun. Etrus. ii. 90. 880. 



Latr. Hist. Nat. xiii. 323. 2 ; Nouv. Diet. 2nd ed. viii. 358. 

 Crabro vexillatus, Panz. Faun. Germ. 46. 5. 



lllig. ed. Faun. Etrus. ii. 149. 



Ian d. Lind. Obs. ii. 45. 6 <J (nee ? ). 



Shuck. Foss. Hym. p. 132. 5 S . 



Dahlb. Hym. Eur. i. 375. 212 <? ? . 



Wesm. Hym. Foss. Belg. 147. 27. 



H 5 



