30 MR. walker's catalogue or DIPTEROUS INSECTS 



Gen. Celyphus, Dolman. 



100. Celyphus obtectus, Dalman, Analecta Eidomologlca, 32. 1. pi. 2. B. 

 f. 1-5." 



Malacca. Inhabits also Ilmdostau and the Philippine Islands. 



Subfam. Ortalides, Haliday. 

 Gen. Lamped GASTER, Macq. 



101. Lamprogaster zonata, n. s., fcem. Nigra, capite flavo nigro-vario, 

 antennis piceis, thorace flavo-quadrivittato, abdomine flavo-bifasciato, tarsis 

 albis, alls subcinereis macidis costalibus fasciaque fuscis. 



Female. Black, shining. Head pale yellow, with four black sliining stripes 

 in front ; vertex, with a broad dull black stripe which occupies the whole 

 breadth behind, is notched on each side between the eyes, and is narrower 

 in front. Antennae piceous ; 3rd joint nearly linear, roimded at the tip ; 

 arista minutely plumose, more than twice the length of the 3rd joint. 

 Thorax with fom- yellow stripes, one on each side in front of the wings, and 

 one on each side of the scutmn. Abdomen with two yellow bands ; 1st 

 slender; 2nd apical, dilated in the middle of the fore border; knees tawny; 

 tarsi wliite, with blackish tips. Wmgs greyish, slightly lurid and with 

 brown marks at the base and along the costa, and with a brown band wliich 

 extends along the prsebracliial vein to half the space between the latter and 

 the border ; discal transverse vein straight, upright, parted by about one- 

 third of its length fi'om the border, and by mvich more than its length from 

 the prsebrachial transverse, which is oblique. Halteres tawny. Length of 

 the body 5 lines ; of the wings 10 lines. 



Smgapore. 



102. LAMPRoaASTER GLABRA, n. s., mas. Nigra, antenms piceis, abdomuiis 

 fascia subapicaH flava, tarsis albis, alis sublimpidis maculis basalibus fasciis- 

 que quatuor fuscis. 



3Iale. Black, shining. Antennae piceous, in structm'e like those of L. zonata. 

 Abdomen vdih a slender yellow band near the tip. Tarsi white, with black 

 tips. Wings nearly lunpid, with four brown bands, slightly testaceous and 

 with some mdistmct brown marks at the base ; 1st and 3rd bands entire ; 

 1st broader and darker than the others ; 2nd and 4th mterriipted ; veins 

 black, testaceous towards the base ; discal transverse vem straight, upright, 

 parted by one-fourth of its length from the border, and by more than its 

 length from the prjebrachial transverse vein, which is also upright. Halteres 

 tawny. Length of the body 3 lines ; of the vrings 6 hnes. 



Singapore. 



103. Lamprogaster transversa, u. s., foem. Nigra, capite fulvo fasciis 

 duabus nigris miaque albida, antennis fulvis, thoracis vittis quatuor dor- 

 sahbus fidvis duabusque laterahbus albirhs, abdomme nigro-piirpureo basi 

 fulvo maculisque duabus subapicalibus flavis, pedibus ftdvis, tarsis albidis, 

 alis subcinereis fusco sexfasciatis. 



Female. Black. Head tawny, with two black bands above and a whitish band 

 in front. Antennae tawny. Thorax with four dorsal tawny stripes wliich 



