THICLISTTJS. 303 



nervure, its outer nervure pellucid and continuous with the 

 second recurrent. 



Length 7 millim. 



BENGAL (E. H. Aitlcen).^ 



Type in the Oxford Museum. 



I have seen only the type. 



217. Triclistus curvicarinatus, Cam. 



Exochus curvicarinatus, Cameron,* Jo urn. Bombay Nat. Hist. Soc. 

 1902, p. 431($). 



5 . A black and shining species, with no flavous markings. 

 Head broadly rounded behind the internally distinctly emargiiiate 

 eyes ; occiput subvertical and bordered below ; frons finely 

 punctulate, strongly carinate centrally ; face convex, coarsely and 

 sparsely punctate, and not discrete from the apically truncate 

 clvpeus ; mandibles strong and apically rufescent ; ligula fulvous, 

 palpi flavous. Antennae filiform, much shorter than the body and 

 with white hairs, fulvous throughout, with the scape and base of 

 flagellum hardly paler beneath. Thorax stout and slightly 

 broader than the head ; mesouotura shining and distinctly, 

 though not very closely, punctate and pilose ; notauli distinct 

 and punctiform ; nieta thorax subglabrous and nitidulous, with all 

 the areae (except the basal area) well-defined ; areola nearly twice 

 as long as centrally broad, subhexagonal, emitting costulse from 

 its centre ; pet iolar area short, entire and basally strong. Scutellum 

 punctate and immaculate. Abdomen nearly parallel-sided, im- 

 maculate black, finely puuctulate and pilose throughout; basal 

 segment laterally subimmarginate, and cliscally bicarinate only to 

 its centre ; venter, pygidium and the subconcealed terebra piceous. 

 Legs flavescent, with only the hind tarsi and the base of the 

 coxae subinfuscate ; tibiae, and apices of the intumesceut front 

 femora, stramineous ; intermediate calcaria nearly equal in length, 

 the hind ones very unequal, with the outer calcar apically 

 obliquely truncate and somewhat shorter than the apical width 

 of their tib se. Wings hyaline and not broad ; radix and tegulie 

 flavous, stigma piceous ; upper basal by no means continuous 

 with the lower basal nervure ; areolet externally continuous with 

 the second recurrent nervure, minute, obliquely quadrate and 

 elongately petiolate, with its outer nervure, like the whole upper 



t E. Hamilton Aitken, M.A., of the Customs Department at Karachi, was 

 born at Satara, in Bombay, in 1851 and died on llth April, 1909. He 

 was one of the founders of the Bombay Natural History Society, and for many 

 years had charge of its Entomological Section. He is perhaps better known 

 as " Eha,'' the author of " A Naturalist on the Prowl," etc. 



