SPHEGID.E. 143 



$ , propodeum diagonally rugose, with a crenate central 

 sulcature, very hairy in the cf ; abdomen shining, elongate 

 in the S , rather wider in the ? , black, a continuous band 

 on the first, a large yellow lateral spot on the second and 

 third, and a continuous band on the others yellow, ? with 

 the apical dorsal valve flat, strongly punctured and aureo- 

 pubescent ; femora black, anterior pair in the ^ short and 

 swollen, produced behind into a large, irregular, somewhat 

 twisted, five-sided process, between which and the base is 

 a sharp spine, anterior tibite thickened, produced externally 

 into a large membi'anous patella, concave beneath, 

 testaceous above, irrorated with small white spots, tarsi 

 black, much dilated, inner claw very long, bisinuate and 

 apiculate, intermediate and posterior tibise and tarsi 

 testaceous, the tibiae spinose in both sexes. 



L. 13-15 mm. 



Common in most sandy localities, and widely distributed ; 

 makes its burrows in the ground. 



C. peltarius, Schreb. {patdlatus, Fanz.). — Like the 

 preceding, but smaller and rather more elongate, easily 

 distinguished by the simply punctured, not strigose, meso- 

 notum, which is clothed with very short erect hairs ; the 

 rugosities of the propodeum also are much stronger and 

 shining; in the S the anterior femora are produced pos- 

 teriorly into a flat, yellow, shining process, bearing at its 

 base an almost hairlike spine, coxfe spiued posteriorly, 

 patellfB of the tibi3 striped with white posteriorly, tarsi 

 with the inner claw dilated and flattened into a thin plate 

 at the base, produced into a narrow twisted spine at the 

 apex ; in the ? the pronotal angles are slightly produced. 



L. 11-13 mm. 



Common, and generally distributed. 



C. SCUtellatus, Schev. {ptcrotus, Fah.). — Rather smaller 

 than iieUarius and less elongate, with the head and thorax 

 duller and more closely punctured in both sexes, and the 

 first segment of the abdomen entirely black; the c? may be 



