Gen. ASILUS, _Linn._

39. ASILUS FUSIFORMIS, n. s., fœm. Niger, cinereo-tomentosus, capite

albido, mystace testaceo, thoracis vittis tribus pectoreque canis,

abdominis apice compresso glabro, pedibus rufis, tarsis nigris,

femoribus anterioribus nigromaculatis, alis subcinereis.

_Female._ Black, with cinereous tomentum. Head whitish in front,

rather thickly clothed with whitish hairs; a few black bristles

behind; face slightly convex towards the epistoma. Mystax with

several testaceous bristles. Proboscis stout, straight, lanceolate.

Palpi with thick black bristles. Antennæ black. Thorax with three

indistinct hoary stripes. Pectus hoary. Abdomen oblanceolate, with

whitish and black hairs, compressed, shining, and bare towards the

tip. Legs red, very stout, beset with black spines; tarsi except at

the base and knees black; a black spot on each of the anterior

femora. Wings slightly cinereous; veins black, tawny at the base and

along the costa. Halteres testaceous. Length of the body 13 lines;

of the wings 24 lines.

Malacca.

40. ASILUS LINEOSUS, n. s., fœm. Fuscus, capite subaurato, mystace

testaceo nigroque, antennis pedibusque nigris, thorace

aureo-quadrivittato, abdomine fulvo-fasciato, apice nigro compresso

transversè ruguloso, tibiis luteis apice nigris, alis cinereis.

_Female._ Dark brown. Head with pale gilded tomentum, clothed beneath

with whitish hairs; face convex towards the epistoma. Mystax with

several testaceous bristles and with a few more slender black

bristles. Proboscis stout, straight, lanceolate. Palpi thickly beset

with black bristles. Antennæ black; arista almost thrice the length

of the 3rd joint which is fusiform. Thorax with four dull pale

gilded stripes; sides and pectus cinereous. Abdomen oblanceolate,

with broad fawn-coloured bands, black, shining, compressed and

transversely rugulose towards the tip. Legs black, armed with black

spines; tibiæ pale luteous, with black tips; onychia pale luteous.

Wings cinereous; veins black. Halteres ferruginous. Length of the

body 12 lines; of the wings 20 lines.

Singapore.

41. ASILUS DEBILIS, n. s., mas. Cinereus, capite flavido-albo, mystace

testaceo nigroque, antennis fulvis, thorace fusco-bivittato,

abdominis segmentis canofasciatis, pedibus testaceis, femoribus

tibiisque apice tarsisque nigricantibus, alis sublimpidis apice

nigricantibus.

_Male._ Cinereous. Head with yellowish-white tomentum, clothed beneath

with white hairs; face very slightly convex towards the epistoma.

Mystax with a few testaceous, and with still fewer black bristles.

Proboscis black, slightly lanceolate, rather slender. Antennæ tawny;

3rd joint and arista black, the latter four times the length of the

former which is fusiform. Thorax with two brown stripes. Pectus

hoary. Abdomen with a hoary band on the hind border of each segment.

Legs testaceous, with very few black bristles; tarsi, except at the

base and tips of the femora and of the tibiæ, black; hind femora and

hind tibiæ mostly black. Wings nearly limpid, blackish towards the

tips; veins black. Halteres testaceous. Length of the body 7 lines;

of the wings 14 lines.

Malacca.

42. ASILUS LATIFASCIA, n. s., mas. Cinereo-niger, capite albido,

mystace testaceo, thoracis vittis quatuor pectoreque canis, abdomine

ferrugineo, basi apiceque nigris, pedibus fulvis nigro-variis, alis

nigricantibus margine postico fusco.

_Male._ Black, with a slight cinereous tinge. Head with some whitish

hairs beneath. Face whitish, flat. Mystax with many pale testaceous

bristles. Proboscis straight, slightly lanceolate. Antennæ black.

Thorax with four slight hoary stripes. Pectus hoary. Abdomen

ferruginous, black at the base and towards the tip. Legs tawny;

tarsi, hind femora, and tips of the posterior tibiæ black; anterior

femora black above. Wings blackish, brown along the hind border;

veins black. Halteres testaceous. Length of the body 9 lines; of the

wings 16 lines.

Singapore.

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