152 MB. WALKER O^ DIPTERA COLLECTED AT MAKESSAE, 



verse ; halteres black. Length of the botly Sk-4i lines; of the wings 

 6—8 lines. 



183. Dacus terminifer, n. s. Fvem. Niger, nitens, breviusculus, 

 capite rufescente, auteuuis fulvis, arista nuda, scutello pectorisque 

 maculis duabus flavis, pedibus breviusculis, tibiis anterioribus femori- 

 bus posticis basi tarsisque albidis, ahs vitreis, striga eostali puncto 

 apicali vittaque postica nigricantibus, halteribus testaceis. 



Female. Black, shining, rather short ; head reddish above ; antennae 

 tawny, reaching the epistoma ; 3rd joint linear, piceous towards the 

 tip, which is rounded, about six times the length of the 2nd ; 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 v\'ith 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 prajbrachial transverse, which is oblique and unusually long ; 

 halteres testaceous. Length of the body 2^ lines ; of the wings 5 lines. 



184. Dacus emittens, n. s. Mas et Fosm. 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 ; antennae 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 jjroceeds ; 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 tawnj', 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 obhque and rather long 

 praebrachial 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. Praebrachial transverse vein 

 clouded with brown. Var. e, Male. Disk of the thorax blackish 

 grey ; wings vitreous, excepting a slight brown line along the costa, 



