249. 

 CERAPHRON HALIDAYI. 



Order Hymenoptera. Fam. ProctotrupidaeA'bi. Oxyuri Z,a/. 



Type of the Genus Ceraphron sulcatus Jur. 

 Ceraphron Jur., Spin., Lat., Leach. 



Antenna inserted near to the mouth, longer in the male than 

 female, geniculated, 11 -jointed in both sexes, pubescent, and 

 attenuated in the male, the basal joint the most robust, not so 

 long as the 3rd, 2nd very small, 3rd the longest, the remainder 

 slightly decreasing in length to the last (1) ; filiform or subcla- 

 vate in the females, the basal joint the longest, 2nd as long as 

 the 4th, the 3rd long, the remainder slightly decreasing in length 

 to the last, which is elongate-oval (1, a). Labruni undetected. 

 Mandibles slender, bent, bifid and slightly pilose (3). 

 Maxillce short, membranous, horny only on the outside, termi- 

 nated by a broad rounded lobe. Palpi very long and exserted, 

 5-jointed, 3 first joints nearly of equal length, the 1st slender, 

 2nd and 3rd dilated, subovate, 4th and 5th very slender, the 

 former nearly as long as the latter which is the longest (4). 

 Mentuni elongated, horny, the angles emarginate to receive the 

 Palpi, which are not longer than the lip, clavate and apparently 

 triarticulate, the 2 first joints very minute, the 3rd ovate, pilose. 

 Lip large rounded and pubescent (5). 

 Head suborbicular, frequently depressed. Eyes remote. Ocelli 3, 

 Thorax ovate or oblong ; prothorax transverse and not suddenly nar' 

 rowed. Scutellum, elongate-conic ; postscutellum sometimes toothed 

 in the centre. Abdomen attached by a broad and very short pe- 

 duncle, ovate-conic, composed of 7 joints, the \st striated at the base 

 and frequently covering more than half the body. Wings pubescent, 

 anterior with a thickened costal nervure, terminated {in the type) by 

 a large stigma, producing a curved branch. Thighs sometimes a 

 little thickened. Tibiae spurred. Tarsi 5-jointed, the basal joint long. 

 Claws and Pulvilli distinct (8, afore leg). 

 Obs. The dissections are taken froin a male of C. Dux, nob., excepting 

 fg. \, a, which is the female antenna of the same species. 



Halidayi Nob. 



Male black, shining. Antennae as long as the wings, 1 1 -jointed, 

 basal joint large ochreous, 2nd globose, the 4 following pro- 

 ducing each, a long <"lavate branch pilose at the apex, the 3rd 

 and 4th joints very short, 5th and 6th longer, 7th the longest, 

 slightly branched at the apex, the remainder more robust, sub- 

 ovate, the 8th being slightly produced on the internal side, the 

 11 th elongate ovate. Head transverse, large, punctured. Eyes 

 large remote. Ocelli distinct. Thorax punctured, with 3 lines 

 on the back meeting at the scutellum. Abdomen very smooth 

 and shining, tinged with ochre and slightly furrowed at the base. 

 Wings hyaline, iridescent, pilose, basal half of the costa thick- 

 ened, the stigma large semiorbicular, producing a curved branch, 

 all fuscous. Legs ochraceous ; thighs, middle pair fuscous above ; 

 posterior pair of legs fuscous. Female unknown. 

 In the Cabinet of Mr. Holiday. 



