RHTKCHIUM. 355 



2 . Head and thorax very finely and closely punctured, abdomen 

 more coarsely punctured, especially along the posterior portions of 

 the segments ; clypeus raised, somewhat flat above, pyriform, 

 ending anteriorly in a narrow point, which is lightly emarginate : 

 postscutellum prominent, projecting posteriorly ; median segment 

 depressed vertically beneath the postscutellum, coucavo-truncate 

 posteriorly, the sides bulging and angularly produced, the punctures 

 on them running into transverse strise, the truncation finely, 

 transversely striate ; abdomen with the basal segment not narrowed. 

 Black ; the clypeus, the front except a black triangular mark, the 

 ])rothorax, the tegulte, and the posterior margins narrowly of the 

 1st and more broadly of the 2nd and following abdominal segment 

 deep brownish red ; antennae and legs black, sometimes more or 

 less brownish red ; wings deep yellow, brownish fuscous for nearly 

 half their length from base. 



cJ similar, but the clypeus and a transverse spot above it 

 yellow, the antennae and anterior tibiae and tarsi fulvous or 

 orange-red. 



The above are the common forms, but the amount of red and 

 black varies greatly in specimens from different localities. 



Hah. Barrackpore, Bengal ; Madras ; Bangalore ; Ceylon ; 

 Burma ; Tenasserim ; Java ; Cape of Good Hope (Smith). 2 • 

 Length 16-18 ; e,rp. 40-44 mm. d . Length 12-14 ; e.v2:). 28- 

 31 mm. 



627. RhyncMum atrum. 



Rygcliium atrura, Sauss. Mon. Guep. Sol. p. 109, 5 J ■ 

 Rhynchium atrum, Smtt/i, Cat. \, p. 44. 



2 . Closely resembles some varieties of R. hcBmorrhoidale, but 

 is always darker, and the posterior margin of the mesonotum 

 and the scutellum are always impunctate and highly polished ; the 

 clypeus is grooved longitudinally near the apex, and the wings are 

 sometimes slightly infuscated at apex and not at all at base. Some 

 varieties have the clypeus, a spot between the antennae, and the 

 occiput and cheeks brownish red, others are entirely black. 



d" has the clypeus yellow. 



Hah. India (Saussnre and Sjnith) ; South Tenasserim, extending 

 into the Malayan region as far south as New Guinea. $ . Length 

 18-20 ; exp. 36-42 mm. J . Length 17 ; e.v2). 30 mm. 



628. Rhynchium branneum. 



? Vespa qiiiiiquecincta, J^nh: Ent. Sijd. ii, p. 261. 



Vespa brunnea, Fahr. Ent. Syst. ii, p. 264. 



Vespa carnatica, Fabr. Ent. Syst. Suppl. p. 261. 



RyfTchium bruuneum et carnaticuni, Sauss. Mon. Guep. Sol. p. 112, 



Ehynchium brunneum et caniaticuui, Smith, Cat. \, p. 44. 



5 . Head, thorax, and abdomen rather finely and sparselv 

 punctured, the punctures shallow on the bases of the abdomiual 



2a2 



