100 MB. WALKER ON DIPTERA COLLECTED AT MAKESSAR. 



at the base and along each side. Length of the body 5 lines ; of the 

 wings 10 lines. 



Gen. EosAPHA, n. g. 



Mas et Foem. Corpus angustum, elongatum, lineare. AntenncB gra- 

 ciles, filiformes, capite transverso longiores ; articulus 3"* fusiformis. 

 Scuiellum spinis duabus longis acutis armatum. Abdomen thorace 

 vix longius aut latins. Pedes breves. Alee angustse. 



Male and Female. Body narrow, elongated, linear. Mouth and palpi 

 extremely short. Antenna; slender, fihform, longer than the breadth 

 of the head ; 3rd joint long, fusiform ; joints of the flagellum indi- 

 stinct. Thorax nearly linear, a little narrower in front ; scutellum 

 armed with two long, acute, hardly ascending spines. Abdomen sub- 

 fusiform, narrowest towards the base, very little broader and longer 

 than the thorax. Legs short. Wings narrow ; 1st cubital vein nearly 

 half the length of the 2nd ; three complete externo-medial veins ; sub- 

 anal vein curved, joining the anal vein at some little distance from the 

 border ; discal areolet oblong ; exterior side short. 



28. RosAPHA HABiLis, u. s. Mtts et Fam. Fulva, capite antennis- 

 que nigris, his basi fulvis, thoracis macula antica elongata, spinis apice, 

 tibiis posticis apices versus tarsisque anterioribus nigris, tarsis posticis 

 albis apice nigris, alis cinerascentibus apices versus nigris. Fam. 

 Abdomine supra nigro, basi lateribusque fulvis. 



Male and Female. Tawny. Head black, white beneath along the eyes. 

 Antenna? black; 1st, 2nd, and 3rd joints tawny. Thorax with an 

 elongated black spot in front ; spines of the scutellum black towards 

 the tips. Hind tibiae towards the tips and anterior tarsi black ; hind 

 tarsi white with black tips. Wings greyish, blackish in front towards 

 the tips ; veins black, tawny at the base ; stigma ferruginous brown. 

 Female. Abdomen black above, except at the base and along each side. 

 Length of the body 3^ lines ; of the wings 7 lines. 



Gen. EuBA, n. g. 



Fam. Corpus breve, crassum, latum. Caput parvum. Antennce capite 

 transverso vix breviores. Scutellum inerme. Abdomen globosum, 

 thorace valde latius. Pedes breves. Alee mediocres. 



Female. Body thick, short, broad. Head much narrower than the 

 thorax. Proboscis and palpi very short. Antennae nearly as long as 

 the breadth of the head ; 3rd joint broader and longer than the flagel- 

 lum, of which the joints are short, compact, and minutely setulose. 

 Thorax a little longer than broad; scutellum unarmed. Abdomen 

 globose, very much broader and a little longer than the thorax. Legs 

 short. Wings moderately broad ; 1st cubital vein not one- third of 

 the length of the 2nd ; four complete externo-medial veins ; subanal 



