_Corpus_ longiusculum, sat angustum. _Caput_ transversum, breve,
thorace vix latius. _Antennæ_ graciles, thorace paullò breviores;
articulus 1^{us} linearis; 2^{us} longi-fusiformis, 1^o vix longior;
3^{us} acuminatus, minimus. _Thorax_ longi-ellipticus. _Abdomen_
obclavatum, subpetiolatum, thorace plus duplò longius. _Pedes_
graciles. _Alæ_ elongatæ, sat angustæ.
Body rather long and narrow. Head transverse, short, very little
broader than the thorax. Antennæ slender, a little shorter than the
thorax; 1st joint linear; 2nd elongate fusiform, very little longer
than the 1st; 3rd acuminated, very minute. Thorax elongate
elliptical. Abdomen obclavate, subpetiolated, a little more than
twice the length of the thorax. Legs slender. Wings rather long and
narrow; mediastinal, subcostal, radial and cubital veins, and median
veinlet of the usual structure; 1st, 2nd and 4th externo-medial
veins complete; 3rd abbreviated; subanal joining the anal at some
distance from the border; discal areolet irregularly hexagonal,
elongated, narrower towards the tip of the wing.
17. MASSICYTA BICOLOR, n. s., fœm. Nigra, antennis basi testaceis
apice albis, pectore scutelloque flavis, illo nigro bimaculato,
abdomine testaceo fasciato, pedibus flavis, femoribus anterioribus
tibiisque posticis fusco fasciatis, femoribus posticis nigris, alis
cinereis, apud costam subluridis.
_Female._ Black, shining, with testaceous pubescence. Mouth
testaceous. Antennæ testaceous towards the base, white at the tips.
Pectus and scutellum yellow, the former with a large black spot on
each side. Abdomen with testaceous bands. Legs yellow; hind femora
black; anterior femora and hind tibiæ with brown bands. Wings grey,
with a slight lurid tinge along the costa; veins black. Halteres
pale yellow. Length of the body 6–7 lines; of the wings 10–12 lines.
Singapore.