126 ME. WALKEE ON DIPTEEA COLLECTED AT MAKESSAE. 



bristles ; epistoma not prominent ; eyes pubescent ; palpi black, short ; 

 antennae almost reaching the epistoma ; 3rd joint slightly widening 

 towards the tip, which is rounded ; arista slender, very much longer 

 than the 3rd joint ; thorax with four black lines ; scutellum red, black 

 at the base; abdomen black, conical, somewhat pilose at the tip, 

 hardly broader or longer than the thorax, with cinereous nearly inter- 

 rupted bands ; 2nd segment reddish on each side ; legs black, slightly 

 bristly ; wings grey, brownish at the base ; veins black ; prsebrachial 

 vein forming a slightly obtuse angle at its flexure, from whence it 

 is hardly curved inward to its tip ; discal transverse vein very slightly 

 undulating, parted by a little more than half its length from the 

 border, and by about half its length from the flexure of the prae- 

 brachial; alulae whitish. Length of the body 5 lines; of the wings 8 

 lines. 



106. EuRYGASTER APTA, u. s. F(£m. Cincrca, capite albo, oculisnudis, 

 palpis, antennis, pedibusque nigris, thorace vittis quatuor indistinctis, 

 abdominis vitta dorsali et segmentorum marginibus posticis nigris, 

 alis cinereis apud costam fuscescentibus, alulis albido-cinereis. 



Female. Cinereous, with few bristles ; head white ; frontalia black, 

 narrow, linear, with a row of bristles along each side and beyond ; 

 facialia without bristles ; epistoma not prominent ; eyes bare ; palpi 

 black ; antennae almost reaching the epistoma ; 3rd joint linear, rounded 

 at the tip, about four times the length of the 2nd ; arista slender, 

 very much longer than the 4th joint ; thorax with four indistinct black 

 stripes ; abdomen conical, especially setose towards the tip, very little 

 longer than the thorax; 1st segment, hind borders of the other seg- 

 ments and dorsal stripe black ; legs black ; wings grey, brownish 

 along the costa ; veins black ; praebrachial vein forming an obtuse 

 angle at its flexure, hardly curved inward from thence to its tip ; discal 

 transverse vein slightly undulating, parted by much less than its length 

 from the border, and by a little less than its length from the flexure 

 of the praebrachial ; alulae whitish cinereous. Length of the body 4 

 lines; of the wings 7 lines. 



107. EuRYGASTERCONGLOMERATA, n. s. FoBm. Cincrco-nigra, capitc 

 albo, oculis pubescentibus, palpis, antennis pedibusque nigris, thorace 

 lineis quatuor anticis nigris, thorace postico abdomineque anthracinis, 

 tibiis posticis subfimbriatis, alis cinereis, alulis testaceo-albis. 



Female, Cinereous black ; head white, with white hairs behind and 

 beneath ; frontalia deep black, linear, with a row of bristles along each 

 side and beyond; facialia without bristles; epistoma not prominent; 

 eyes pubescent ; palpi black ; antennae reaching the epistoma ; 3rd 

 joint linear, rounded at the tip, six times the length of the 2nd ; arista 

 much longer than the 3rd joint, stout to half its length ; thorax with 

 four black lines ; hind part and abdomen coal black, shining, the latter 

 conical, not longer than the thorax, setose towards the tip ; legs black ; 



