LM2 HYMENOPTERA. 



Thorax, the disk smooth and shining, having a central impressed 

 line and two on each side ; the wings fusco-hyaline, the tegulae 

 testaceous, the nervures ferruginous. The posterior tibiae and 

 all the tarsi clothed with short bright fulvous pubescence, the 

 claws ferruginous. Abdomen covered with strong elongate 

 punctures, most dense towards the apex. 



Hob. South Africa. (Coll. the Rev. D. F. Morgan.) 



Genus 20. EXONEURA, n. g. 

 (F. Smith's MSS.) 



Head transverse, ocelli placed in a triangle on the vertex ; the 

 labrum obtuse at the apex, about the same length as the mentum; 

 the labial palpi four-jointed, the two basal joints elongate, about 

 equal in length, the two apical ones minute ; the maxillary palpi 

 six-jointed. The superior wings having one marginal and two 

 submarginal cells ; the first recurrent nervure received by the 

 second submarginal cell, the second recurrent nervure and third 

 discoidal cell obsolete; the posterior tibiae having a thin scopa of 

 pubescence ; the claws of the tarsi bifid. 



1. EXONEURA BICOLOR. B.M. 



Female. Length 3 lines. Head and thorax black, smooth 

 and shining ; the face delicately punctured, the ocelli very bright 

 and glassy ; the scape of the antennae in front and a line down 

 the clypeus pale yellow-testaceous ; the labrum and mandibles 

 rufo-testaceous, the latter black at their base and apex. Thorax 

 impunctate, the metathorax rounded, the margins of the tegulae 

 rufo-testaceous, the nervures of the wings ferruginous, palest 

 towards the base of the wings, which are fulvo-hyaline ; the legs 

 ferruginous, the coxae, trochanters and base of the femora black ; 

 the posterior tibiae and all the tarsi clothed with a glittering pale 

 fulvous pubescence, that on the former stained with fuscous 

 above. Abdomen ferruginous, subclavate ; the basal segment 

 has a central depression, which is black ; the two apical segments 

 very finely transversely reticulate, intermixed with punctures ; 

 the apex acute. 



Var. B. The posterior femora and tibiae black, except their 

 base and apex; the basal and second segment more or less 

 stained with fuscous. 



Ha b. Australia (Swan River) ; Van Diemen's Land. 



