804 JOUU^'AL, BOMBAY NATUEAL MIST.. SOCIETY, Tol. XXI.. 



$ . Olypeus flat, as broad at the apex as long; the apica! margin straight, 

 Antennse inserted about half as far again from' the anterior ocellus as from' 

 the base of the clypeus, the second joint of the flagelium no longer than 

 the third. Eyes very slightly divergent towards the clypeus ; posterior- 

 ocelli as far from the eyes as from each other. Mesopleurte without 

 tubercles ; first abdominal segment slightly broader than long ; second' 

 ventral segment with a raised area at the base ; pygidial area narrow,, 

 elongate ovate, about three times as long asthe greatest breadth, narrowly 

 rounded at the apex. First recurrent nervure received at about one-quarter 

 from the base of the second cubital cell. Closely and not very coarsely 

 punctured ; the enclosed area at the base of the median segment smooth 

 and shining, with short, obscure striee on the sides, the median groove 

 transversely striated. 



(S . Olypeus truncate at the apex, longer than, broad ; apical joint of 

 the flagelium shorter than the penultimate,, not curved ; first abdominal' 

 segment as in the female : pygidial area about half as Ibng again as broad,, 

 the sides almost parallel. 



Habitat. — Deesa and Abu (Nurse). 



Cerceris novarcB Say^uss,. 



?. Cerceris pictiventris Dahlb. Hymen. Europ. I.,.pv 498, 1845; Bingh.- 

 Fauna Brit. India Hym. I., p. 305, 1897. 



Cerceris novarce Sauss. Eeise d. Novara Zool'. II,. p^ 92,1867. $ ; Cam.. 

 Mem. Manchester Lit. Phil. Soc. (4) III, p. 257, 1890. c? 2 ■ 



Cerceris fervens Sm. Ann. Mag. Nat. Hist. (4) XII, p. 411, 1873. 



5 . Nigra ; clypeo, f route, scapo, pronoto macula' utrinque, tegulis, post- 

 scutello, mesopleuris macula magna, segmentO' mediano macula magna 

 utrinque, segmento secundo dorsali basi, tertio quintoque fascia apicali 

 late emarginata, segmentis ventralibus 2-5, pedibusque flavis, clypeo piano, 

 latitudine longiore, apice truncato, mesopleuris haud tuberculatis ; seg- 

 mento mediano area basali nitida, apice rugose striata ; segmento ventrali' 

 secundo area basali elevata ; alis hyalinis, apice infumatis. 



S . Feminee similis ; clypeo apice late rotundato ; mesopleuris haud' 

 flavopictis ; segmentis ventralibus 4-6 nigris. 



Long. $,9-11 mm.; J, 8-10 mm. 



2. - Clypeus a little longer than broad, flattened in the middle and 

 truncate at the apex. Antennee inserted about half as far again from the 

 anterior ocellus as from the base of the clypeus^ the second joint of the 

 flagelium scarcely longer than the third. Eyes almost parallel, very slight- 

 ly divergent towards the clypeus, posterior ocelli a little further from the 

 eyes than from each other. Mesopleuree without tubercles ; first abdomi- 

 nal segment longer than broad ; second ventral segment with a raised area 

 at the base : pygidial area elongate ovalTe,. broader at the base than at the ■ 



