Gen. CALOBATA, _Fabr._

205. CALOBATA RESOLUTA, n. s. _Mas._ Nigra, abdomine lineari

longo, segmentis albido marginatis, pedibus longissimis, femoribus

posterioribus testaceo trifasciatis, femoribus anticis basi coxisque

anticis testaceis, tarsis anticis albis, alis cinereis apices versus

obscurioribus fascia subapicali albida.

_Male._ Black, slightly shining; pectus with an oblique cinereous

band on each side; abdomen linear, pale beneath, much narrower than

the thorax, and nearly twice its length, hind borders of the segments

whitish; legs black, very long; posterior femora with three testaceous

bands; fore femora at the base, and fore coxæ, testaceous; fore tarsi

white; wings dark grey, blackish grey on each side of a whitish

subapical band; veins black; discal transverse vein straight, upright,

parted by about half its length from the border, and by more than four

times its length from the præbrachial transverse; halteres piceous.

Length of the body 6 lines; of the wings 10 lines.

206. CALOBATA IMPINGENS, n. s. _Mas et Foem._ Obscure cyanea,

antennis rufis abdomine subtus ferrugineo segmentis albo marginatis,

pedibus fulvis, femoribus tibiisque anticis nigris, illis basi

fulvis, femoribus posterioribus nigro trifasciatis, tibiis tarsisque

posterioribus obscure fulvis, tarsis anticis albis basi nigris, alis

cinereis fusco bifasciatis.

_Male and Female._ Dark blue; head white about the eyes; antennæ red;

abdomen lanceolate, ferruginous beneath, narrower and very much longer

than the thorax, hind borders of the segments white; legs tawny, very

long; posterior coxæ and fore tibiæ black; posterior femora with three

black bands; fore femora black, tawny towards the base; posterior tibiæ

and posterior tarsi dark tawny; fore tarsi white, black at the base;

wings grey, with two brown bands, the second apical; veins black;

cubital vein and præbrachial vein converging to the tip of the wing;

discal transverse vein straight, upright, parted by much less than its

length from the border, and by more than thrice its length from the

præbrachial transverse. _Var. β:_ Bands of the wings broader and more

complete. Length of the body 4-5 lines; of the wings 7-8 lines.

This species is erroneously recorded as _C. indica_ in Vol. III. p.

124.

207. CALOBATA BIFASCIATA, n. s. _Foem._ Nigra, longissima, gracillima,

capite litura transversa albida, arista breviuscula basi robusta,

abdominis dimidio antico subclavato fasciis duabus cinereis,

dimidio postico lanceolato, femoribus posticis basi albidis apice

rufescentibus, tarsis anticis albis apice nigris, alis cinereis

nigricante bifasciatis.

_Female._ Black, very long and slender; head with a whitish transverse

mark in front of the face, which is very short; 3rd joint of the

antennæ elongate-conical, more than twice the length of the 2nd;

arista rather short, stout towards the base; thorax attenuated in

front; abdomen more than twice the length of the thorax, broadest in

the middle, subclavate to half its length, lanceolate from thence to

the tip, two cinereous bands on the basal half; legs long; hind femora

whitish at the base, reddish at the tips; fore tarsi white, with black

tips; wings grey, slightly blackish at the tips, and with two blackish

bands, the second broader and more complete than the first; veins

black; cubital vein and præbrachial vein slightly converging towards

the tip of the wing; discal transverse vein straight, oblique, parted

by less than its length from the border, and by more than thrice its

length from the præbrachial transverse. Length of the body 5 lines; of

the wings 8 lines.

Journal of the Proceedings of the Linnean Society - Vol. 4 Zoology · 第 294 / 311 题