EHTKCniUM. 357 



antennae bright yellow ; the legs somewhat lighter in colour ; the 

 abdomen in some specimens witli a band of dusky stains down the 

 middle of tlio 2nd and following segments. 



ffah. Allahabad ; Barrackpore ; Pegu Hills, Burma ; China. 

 $. Leiujth 17-19; exp. 37-40 mm. 6- Len'jth 14-10; exp. 

 34 mm. 



630. Rhynchium abdominale. 



Vespa abdominalis, Illi(/. Mag. Ins. i, p. 192. 



Vespa transversa, Fahr. Si/sf. Piez. p. 257. 



Rygchium dichotomum, Sauss. Mon. Guep. Sol. p. 116, $ J. 



Rygchium transversum, Sauss. Mon. Guep. Sol. p. 117, §. 



Rhynchium abdomiuale, S<ats!i. Mon. Guep. Sol. Suppl. p. 172. 



Rhynchium dichotoum, Smith, Cat. v, p. 45. 



5 . Head and thorax densely punctured, granular ; abdomen 

 opaque, im punctate except for an irregular subapical band of 

 coarse punctures on the posterior margins above of the 2nd— 5th 

 segments ; clypeus convex, very broadly pyriform, the apex with 

 two short acute teeth ; postscutellum and median segment poste- 

 riorly truncate, the latter vertical, the sides bulging, the lateral 

 lower angles dentate posteriorly ; the basal seguient of the abdo- 

 men cup-shaped, not narrowed. Head and thorax black ; abdomen 

 a dull orange-red, the basal segment with a transverse black apical 

 band above, the 2ud segment with or without a transverse black 

 spot in the middle of its apical margin above ; wings dark fuscous 

 with a purple effulgence. 



d similar, smaller ; the clypeus and sometimes a line on the 

 front of the scape of the antennse yellow ; all the segments of the 

 abdomen more or less dull black in the middle of their apical 

 margins. 



Hab. Throughout India, not ascending the hills ta any elevation ; 

 Pegu, Burma. $ . Length 15-17 ; exp. 33-37 mm. cS . Lemjth 

 12-14; exp. 29 mm. 



631. Rhyncliium nitidulum. 



Vespa nitidula, Fahr. Fmt. Syst. Suppl. p. 262. 

 Rygchium nitidulum, Sauss. Mon. Guep. Sol. p. 105, 5 c?- 

 Rhynchium nitidulum, Smith, Cat. v, p. 4-3. 



2 . Head and thorax very coarsely and closely punctured ; 

 abdomen smooth and satiny, with a few scattered shallow punc- 

 tures and a subapical transverse line of the same, but somewhat 

 coarser on the 2nd and 3rd segments ; beyond the row of punctures 

 the apical margins of the segments are depressed, smooth and 

 shining; clypeus pyriform, the apex angularly incised, the sides 

 on either side of the apex oblique and emarginate ; scutellum and 

 postscutellum gibbous ; median segment strongly ridged along the 

 sides ; the sides flat, obliquely finely striate : the posterior face 

 of the segment strongly concavo-truncate, with the sides produced 

 back and spined. Black, somewhat thickly covered with silvery 

 pile, which is very dense on the clypeus, the face in front, the 



