152 ME. WALKER ON DIPTERA COLLECTED AT MAKESSAR. 
verse 3 ha] teres black. Length of the body 3-£-4] lines; of the wings 
6—8 lines. 
183. Dacus terminifer, n. s. Fcem. Niger, nitens, ^reviusculus, 
eapite rufescente, antennis fulvis, arista nuda, scutello pectorisque 
maculis duabus flavis, pedibus breviusculis, tibiis anterioribus femori- 
bus posticis basi tarsisque albidis, alis vitreis, striga costali puncto 
apieali vittaque postica nigricantibus, halteribus testaeeis. 
Female. Black, shining, rather short ; head reddish above ; antennae 
tawny, reaching the epistoina ; 3rd joint linear, piceous towards the 
tip, which is rounded, about six times tlve length of the 2nd j arista 
slender, bare ; scutellum dull yellow ; pectus with an oblique yellow 
spot on each side ; abdomen hardly broader than long, a little broader 
and shorter than the thorax ; legs rather short ; tarsi and anterior 
tibiae whitish ; hind femora whitish towards the base ; wings vitreous, 
with a short black stripe extending from the base to near the hind bor- 
der ; costa with a blackish streak in the middle and with a blackish 
apical point ; discal transverse vein straight, upright, parted by about 
one-third of its length from the border, and by more than its length 
from the prsebrachial transverse, which is oblique and unusually long ; 
halteres testaceous. Length of the body 2| lines ; of the wings 5 lines. 
184. Dacus emittens, 11. s. Mias et Foem. Fulvus, facie brevi nigro 
biguttata, antennis pallide luteis, arista nuda, thorace lineis quinque 
rufescentibus, disco nonnunquam nigricante-cinereo, scutello callisque 
humeralibus flavis, abdomine nigro-fasciato, alis vitreis fusco plus 
minusve strigatis, halteribus albido-testaceis. 
Male and Female. Tawny, convex, minutely pubescent; face short, 
with a black dot on each side ; antenna; pale luteous, reaching the 
epistoma; 3rd joint linear, conical at the tip, full four times the length 
of the 2nd ; arista slender, bare, much longer than the 3rd joint ; 
thorax with five reddish lines * scutellum and humeral calli yellow ; 
metathorax with a blackish mark on each side ; abdomen short, oval, 
broader than the thorax, concave beneath, from whence in the female 
the lanceolate apical part proceeds ; a protuberance on each side at the 
base, and a black middle band, behind which there is a slight longitu- 
dinal black line ; wings vitreous, lurid and partly brown along the 
costa, brown along the subanal vein, and brown about the tips, except- 
ing most of the space between the discal transverse vein and the bor- 
der ; veins tawny, partly black, slightly deviating ; discal transverse 
vein nearly straight, parted by about one-third of its length from the 
border, and by more than its length from the oblique and rather long 
prjcbrachial transverse ; halteres whitish testaceous. Var. /3. Abdo- 
men with two black bands. Var. y, Male. Discal transverse vein not 
clouded with brown. Var. 8, Male. Prsebracliial transverse vein 
clouded with brown. Var. e, Male. Disk of the thorax blackish 
grey ; wings vitreous, excepting a slight brown line along the costa. 
