30 
ME. WALKEB’s CATALOGUE OP DIPTEROUS INSECTS 
Gen. Celyfhus, Dalman. 
100. Celyphus obtectus, Dalman , Analecta Entomologica , 32. 1. pi. 2. B. 
f. 1-5. 
Malacca. Inhabits also Hindostan and the Philippine Islands. 
Subfam. Oetalides, Holiday. 
Gen. Lamprogaster, Macq. 
101. Lamprogaster zonata, n. s., foem. Nigra, capite flavo nigro-vario, 
antennis piceis, thorace flavo-quadrivittato, abdomine flavo-bifasciato, tarsis 
alb is, alis subcinereis maculis costalibus fasciaque fuscis. 
Female. Black, shining. Head pale yellow, with four black shining stripes 
in front j 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. Antennas 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 prcebrachial 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 Hava, tarsis albis, alis sublimpidis maculis basalibus fasciis- 
que quatuor fuBeis. 
Male. Black, shining. Antennoe 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 4tli 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 prcebrachial transverse vein, which is also upright. Halteres 
tawny. Length of the body 3 lines ; of the wings 6 lines. 
Singapore. 
103. Lamprogaster tkarsversa, n. s., foem. Nigra, capita fulvo fasciis 
duabus nigris un&que albid&, 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 
