52 HYMENOPTERA ACUEEATA. 



(1) 2. cJ apical joint as long as the ponnltimatp, 

 tliese two forming a distinct club. $ 

 ■with the abdomen not banded with red. ci.avicornts. 



S. quinque-punctata, Fab. — c? head and thorax 

 lilack, deeply, closely, and largely punctured, clypeus and 

 a small spot in the sinus of each eye anteriorly, pale 

 yellowish white, anteniiise reddish yellow beneath in the 

 middle, apical joint very short, looking as if it were sunk 

 into the preceding one; pronotum with a vei-y small 

 whitish spot on each side of its front margin, wings 

 slightly dusky ; abdomen black, shining, finely punctured, 

 second, third, and fourth, and sometimes the fifth segment 

 with a pale transverse spot on each side, above and 

 beneath ; posterior tibiae white at the base. 



$ black, the second and third abdominal segments, except 

 the apex of the latter, red; head sometimes with a small, 

 pale spot on each side of the clypeus, one just above the 

 antennal cavities, and one near each eye, pale, antennae 

 black, terminal joint as long as the preceding ; pronotum 

 with a small, transverse spot on each side of tbe front 

 margin ; abdomen pointed, widest behind the middle, with 

 a transverse spot on each side of the fourth and fifth 

 segments, and a central one on the sixth, pale yellow, 

 beneath unspotted ; legs clothed with silvery hairs. 



The markings in both sexes are very variable. 



L. 9-12 mm. 



Common in some places, although I have rarely met with 

 it ; burrows in palings, old gate posts, &c. Wandsworth ; 

 Bromley. Norwich; Yorkshire; Devonshire; Kent; 

 Hants ; {Smith). Exeter ; (Parftt). Guestling, nr. Hastings ; 

 (Frisby). Eastbourne, nr. Convalescent Home ; Colchester; 

 {Harwood). Yorkshire ; Lancashire and Cheshire ; {Gardner). 

 Birmingham; {Marshall). Gloster ; {Perkins). Bury St. 

 Edmunds; {Sivale). 



S. clavicornis, Linn. — A narrower and more slightly- 

 built insect than the preceding; the third submarginal 



