of the Family Tabanida;. 433 



markings in the form of transverse bands on tlic posterior 

 half of tlie first two se{;mcnts, covering tlic others with the 

 exception of a narrow baud on the posterior borders, and 

 ])eeoming bhicker and more intense towards the apex ; the 

 yeUow-brown colour, however, predominates on the abdomen 

 as a whole ; the pubescence consists of short black hairs and 

 a few whitish ones at the sides, especially on the second 

 segment ; the underside is yellowish brown, with the black 

 markings appearing faintly ; the pubescence is short and 

 yellow. Legs yellow, with black pubescence and some " 

 fulvous, the latter chielly on the underside of the tibi« and 

 the tarsi. Wings clear grey, veins brown ; no appendix. 

 There are traces of green colouring on the knees of the legs. 

 Length 11 millim. 



*Diatomineura longipenuis, ? , sp. n. 



Two females from Espirito Santo, Brazil. 

 Reddish brown. Thorax with four white sj)ots. Win"s 

 with shaded cross-veins. Antenn:e blackish. Legs brown. 



Face reddish brown, with grey tomentuni and black 

 pubescence, and long white hairs on the sides extending from 

 the base of the antenme to the palpi and covering the cheeks • 

 some long black hairs are intermixed with the white ones on 

 the upper part of the face ; the palpi obscure reddish brown 

 the second joint the length of the iirst, broad, endino- in a 

 point, with the upper edge rounded, the first joint with lonf>- 

 white pubescence, the second with short black on the ed"-es. 

 Anteuna3 l)lack, the first two joints grey, with long black 

 hairs, the first annulation of the third joint dull red. Fore- 

 head brown, lighter at the sides; a broad band of grev 

 extends across on the anterior margin ; the pubescence is 

 black. Beard whitish, as are also the hairs bordering the 

 eyes. Thorax brown, lighter at the sides, with four greyish 

 spots on the dorsum, the posterior pair contiguous, the ante- ' 

 rior pair more widely separated ; the spare pubescence consists 

 of black hairs, with a thick tuft of whitish hairs at the base 

 of the wings and on the ])osterior margin of the thorax, and 

 a few scattered white hairs among the black ones on the sides 

 of the anterior part of the thorax ; tlie breast clothed with 

 black hairs, and a thick fringe of whitish hairs on the sides ; 

 the seutcllum dark brown, with long black pubescence. 

 Abdomen oval, hardly wider than the thorax, reddish brown, 

 with an indistinct black central stripe, with irregular grevish 

 bands on the posterior borders of the segments, widest and 

 most noticeable on the second segment ; towards the apex 

 Ann. cf' ^fag. N. Hist. Ser. 7. Vol ix. 30 



