OF MTSOL, CEEAM, WAIGIOU, UOURTJ, A>'D TIMOE. 41 



shapes unitiug in the middle), the followmg segments black; beneath, 

 the two basal segments red, the second with two ovate yellow spots. 

 Hub. Ceram. 



6. Odynerus laboriosus. 0. niger; capite thoraccque distincte, 

 abdomiue dehcatiile punctatis ; abdominis segmentis duobiis basalibus 

 flavo faseiatis. 



Male. Length 4 lines. Black ; head and thorax strongly and closely 

 punctured ; the clypeus, a triangular spot above it, a line on the inner 

 margin of the eyes terminating in their sinus, and an abbreviated line 

 behind them yellow ; an interrupted line on the prothorax, the an- 

 terior tibiae and tarsi, a hne on the intermediate and posterior tibiae 

 yellow ; the tarsi fulvous ; the wings subhyahne, the anterior margin 

 of the superior pair fuscous. Abdomen shining and delicately punc- 

 tured, a yellow band on the posterior margins of the first and second 

 segments. 



Hab. Mysol. 



Group II.— >S'OCZ^i WASFS. 



Pam. VESPIDtE, StepJt. 

 Gen. IscHNOGASTEE, Sauss. 



1. Ischnogaster iridipennis. Smith, Proc, Linn. Soc. iii. IfiG. 1. 

 Hab. Mysol; Aru. 



2. Ischnogaster unicolor. I. niger, pedibus obscure ferruginels; 

 alis iridescentibus, cellulis prima secundaque submarginalibus a;qua- 

 libus, tertia breviore et ad cellulam marginalem angustata. 



Male. Length 8 lines. Black; the abdomen shining; the clypeus 

 produced, concave or spoon-shaped at the apex, the concavity smooth 

 and shining ; the twelfth joint of the antennae and the basal lialf of the 

 thirteenth pale testaceous. The posterior margin of the prothorax nar- 

 rowly, but obscurely, rui'o-piceous ; the legs obscure rufo-fuscous, the 

 anterior pair more or less rufo-testaceous ; the wings fusco-hyaline 

 and Iridescent, the marginal cell clouded. 



Var. The thorax at the sides and beneath ferruginous, with the legs 

 paler. 



Hab, Mysol; Waigiou. 



Gen. IcAEiA, Satiss. 



1. Icaria maculiventris, Sauss. Mon. Guepes Soc. p. 23. 1. (Rhopalidia 

 maculiventris, Guer. Voy. Coq. Zool. ii. pt. 2. Ins. p. 267, pi- 9. f. 8.) 



Hab. Mysol; New Guinea; Aru. 



2. Icaria nigra. Smith, Proc. Linn. Soc, iii. IG/. 2. 

 Hab. Mysol; Aru. 



3. Icaria impetuosa, Smith, Proc. Linn. Soc. v. 131. 2. 

 Hab, Ceram; Bachian ; ximboyna. 



