30 MR. walker's catalogue of dipterous insects 



Gen. Celtphus, Dolman. 



100. Celyphus obtcctus, Dalman, Analecta Fntomologica, 32. 1. pi. 2. B. 

 f. 1-5. 



Malacca. Inhabits also Hindostan and the Philippine Islands. 



Subfam. Ortalides, Holiday. 

 Gren. Lamprogaster, Macq. 



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

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

 albis, ahs subcinereis maculis costalibus fasciaque fuscis. 



Female. Black, shining. Head pale yellow, with four black shining 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, rounded at the tip ; 

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

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

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

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

 tarsi white, with blackish tips. Wings greyish, slightly lurid and with 

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

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

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

 third of its length from the border, and by much more than its length from 

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

 the body 5 lines ; of the wings 10 lines. 



Singapore. 



102. Lamprogaster glabra, n. s., mas. Nigra, antennis piceis, abdominis 

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

 que quatuor fuscis. 



Male. Black, shining. Antennae piceous, in structure like those of L. zonata. 

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

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

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

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

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

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

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

 tawny. Length of the body 3 lines ; of the wings 6 lines. 



Singapore. 



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

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

 salibus fulvis duabusque lateralibus albidis, abdomine nigro-purpureo basi 

 fulvo maculisque duabus subapicalibus flavis, pedibus fulvis, 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 which 



