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 ; praebrachial 

 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. EuRYGASTEK APTA, u. s. Foim. Ciucrea, capite albo, oculis nudis, 

 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. EuRYGASTER CONGLOMERATA, n. s. Fcem. Cincrco-nigra, capite 

 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 3 legs black j 



