EEIOBOKUS. 46^' 



basally ; distinctly carinate laterally. Abdomen black, with the 

 third to tifth, and sides of the second, segments I'ufescent ; petiole 

 glabrous and nitidulous. Lerjs black, with the tibite mainly, and 

 their calcaria, testaceous. \Viu(/s hyaline, with the stigma and 

 uerviu'es testaceous ; areolet shortly petiolate. 



LeiujtJi 12 millim. 



SiKKiM : Darjiling. 



Genus ERIOBORUS, FOrst. 

 EriobovKs, Fiirster, Verli. pr. llbeinl. 1868, p. 153. 

 Genotype, Camiyoiihx jicrjidm, Grav. 



Head soniewliat distinctly constricted behind the internally 

 entire and parallel eyes ; clypeus with but small lateral fovete, and 

 apically rounded. Metathoracic areola usually pentagonal, with 

 strong costuUe ; spiracles circular. Abdomen not apically clavate ; 

 terebra not extending beyond the anus. Hind metatarsus half 

 the length of its tibia. tStigma distinct ; anal nervure not con- 

 tinuous ; areolet entirely wanting ; nervellus neitlier geniculate 

 nor intercepted. 



Range. Paltearctic Eegion. 



t follow ISchmiedeknecht in retaining Fiirster's typeless genus, 

 which is a convenient division of Anilasta, Thoms., for those 

 species lacking an areolet ; though it is certainly not generically 

 distinct. 



3(')'2. Erioborus perfidus, Grav. 



Campoj)h:c pe>fidus, Gravenhorst, Ichu. Europ. iii, 182'J, p. 59-j ( 5). 

 Anilasta pcrjida, Thomson, Opusc. Ent. xi, p. 1175 ($ ). 

 Eriobonts perfidus, Schmiedekiiecht, Opusc. Ichu. p. 1046 (5)' 



5 . A black species with white pilosity and with the abdomen 

 and anterior legs apically red. Jlead posteriorly narrow, with the 

 palpi and centre of mandibles tlavescent. Antennce longer than 

 hah the body and somewhat slender. Thorax immaculate, with 

 the central metanotal arete distinct, though not very strong ; 

 areola subhexagonal, basally constricted and emitting costula? before 

 its centre ; spiracles circular. Ahdonien strongly compressed, red, 

 with the tirst, basal two-thirds of the second segment, and the 

 very shortly retiexed terebra, black. Legs with the anterior 

 femora and tibiie mainly rufescent ; hind legs black, with their 

 femora at the extreme apex, and tibiae broadly in the centre, dull 

 red. Wings hyaline, with the stigma piceous and the tegula) 

 testaceous; basal nervure not continuous ; nervellus entire. 



Length 7-8 millim. 



SiKKiM : Harjiiing {E. Brunetti). Eukope. 



2''/^>e in the Breslau Museum. 



1 feel no hesitation in referring a female from Darjiling to this 



