440 ICIIXEU.MOXID/E. 



pleurae and raetathorax with dense silvery hairs ; the latter with 

 live clearly defined area?, besides a small central one at the base ; 

 the spiracular region with two complete keels and strongly trans- 

 versely punctured ; propleurae centrally carinate, mesopleurae 

 punctate and centrally aciculate, with the metapleurae more 

 strongly punctate. Abdomen red, with the basal segment (except 

 apically) and the basal third of the second, black ; terebra very 

 shortly exserted, with the valvulae black. Legs red, with the 

 front coxae and trochanters flavous ; tibiae and tarsi somewhat 

 strongly spinose ; coxae and femora with white pubescence ; spines 

 of claws stout. Wings hyaline, with the tegulse flavous, the 

 nervures and stigma dark. 



Length 8 millim. 



ASSAM : Khasi Hills (Rothney). 



Type in the Oxford Museum. 



.'529. Hymenobosmina trichoptilus, Cam. 



Hymenobosmina trichoptihis, Cameron, Spolia Zeyl. vi, 1910, 



$ Black, with broad testaceous markings. Head finelv and 

 closely punctate, the face, clypeus and cheeks with densely pale 

 pubescence ; mandibles (except apically) flavous and the palpi 

 paler ; frons and vertex sparsely pilose. Antenna 27-jointed and 

 nearly as long as the body ; scape fulvo-testaceous ; flagellum 

 shortly and densely pubescent, with the five or seven basal joints 

 dull testaceous. Thorax with pale pubescence on all the pleura? 

 and the metathorax ; mesonotum closely, and metanotum more 

 sparsely, punctate, the latter with two externally dilated basal 

 areae, " their keels unite at the base, forming almost an area, 

 widened towards the base " ; areola distinct, longer than broad, 

 basally acuminate and apically truncate; petiolar area discrete 

 and centrally trans-striate ; metapleurse finely and closely punc- 

 tate, carinate below the spiracles and above the hind coxae. 

 Scutellum finely and closely punctate. Abdomen with the apex of 

 first, apical third of second, and sides of third to sixth segments, 

 testaceous ; petiole smooth and shining, with the postpetiole 

 dilated ; second ventral segment flavous, the remainder with 

 testaceous and blackish markings. Leys fulvo-testaceous, with 

 the anterior coxae and trochanters subflavescent ; hind coxa? 

 (except apically), apices of their tibiae and their tarsi, black. 

 Wings hyaline, with the stigma dark, the costa and nervures 

 blackish ; basal nervure continuous ; second recurrent nervure 

 broadly, and the discocubital, fenestrate ; hind wing with the 

 apical nervures obsolete. 



Length 4 millim. 



CEYLON : Galle (T. Bainbrigge Fletcher). 



Type. Location unknown. 



Bred by Mr. Fletcher during December from Trichoptilus 

 oxydactylus. 



