PAREYASPIS. — CEEATINA. 499 



tridentate. Parevaspis is parasitic on the leafcutter bees (Mega- 

 chile). I have seen P. ahdominalis entering the nest of M. dis- 

 juncta, 



Keij to the Sjiecies. 



a. Abdomen red P. abdominalis, p. 499. 



b. Abdomen black P. carbonaria, p. 499. 



882. Parevaspis a"bdominalis. 



Stalls abdominalis, Smith, Jour. Linn. Soc. 1859, p. 79, c? • 

 Parevaspis abdominalis, I)all. Torn Cat. x, p. 480. 



2 . Head, thorax, and abdomen closely, evenly, and somewhat 



coarsely punctured ; clypeus 

 boldly convex, crossed near 

 the base by a transverse 

 short carina at right angles 

 to a carina between the 

 bases of the antennae ; a 

 short, slightly oblique car- 

 ina runs also from the 

 base of each antenna up 

 the front ; the apical mar- 

 Fig. 16G.~Parevaspis abdo7mnalis, 2 ■ |. gins of the abdominal seg- 

 ments narrowly smooth, 



impunctate. Head and thorax black ; abdomen ferruginous red ; 



the sides and apex of the clypeus, the sides of the face and the 



occiput with white pubescence ; wings fuscous, v^-ith a rich purple 



effulgence, hyahne towards the base. 



(S similar, somewhat more finely punctured on the head, 



mesonotum, and abdomen. 



Bab. Burma ; Tenasserim ; the Malayan region to Celebes ; 



Japan? $. Length 9-15; e.v/>. 18-28 mm. c? • Length 9-10; 



exp, 19-21 mm. 



883. Parevaspis carl)onaria. 



Stelis carbonaria, Smith, Cat. ii, p. 275. 

 Parevaspis carbonaria, Dull. Torr. Cat. x, p. 480. 



5 S . Closely resembling and allied to P. ahdominalis ; not 

 so coarsely punctured, the front and space between the bases of 

 the antennae slightly raised, with a medial carina beneath running 

 on to the base of the clypeus. The entire head, thorax, and 

 abdomen black. 



Huh. Bombay; Ahmedabad; the Punjab; Allahabad; Eangoon ; 

 Mandalay ; Ceylon. § c? . Length 8-12 ; exjy. 18-25 mm. 



Genus CEEATINA. 



Ceraliua, Latr. Hist, Nat. Lis. xiv, p. 50 (1805). 



Type, C. alhilahris, Fabr. 

 Bange. Both hemispheres. 



Head transverse ; front flat or with sulcations round the base 



2k2 



