Catalogue of the dipterous insects collected at Singapore and MalaccaWallace, Alfred Russel
Science
Catalogue of the dipterous insects collected at Singapore and Malacca
Wallace, Alfred Russel
Diptera -- Malacca; Diptera -- Singapore
_Female._ Black, dull. Head bluish, shining; facialia deep black.
Proboscis and antennæ piceous. Legs testaceous; fore femora black,
testaceous towards the base; fore tibiæ black; fore tarsi white;
posterior femora with four black bands; posterior tibiæ; dull
testaceous, black towards the base; posterior tarsi brownish. Wings
slightly greyish, with two brownish bands, the first slightly
connected on the hind border with the second which is apical; veins
black. Length of the body 5 lines; of the wings 10 lines.
Malacca.
Subfam. PSILIDES, _Walk._
Gen. MICROPEZA, _Macq._
121. MICROPEZA FRAGILIS, n. s. Fulva, femoribus tibiisque anticis
fuscis, tibiis posterioribus basi apiceque fuscis, tarsis anticis
posticisque albidis, alis subcinereis guttis tribus apiceque
limpidis.
Tawny. Fore femora and fore tibiæ brown; posterior tibiæ brownish at
the base and at the tips, fore tarsi and hind tarsi whitish. Wings
very slightly greyish, with three limpid spots forming a curved band
near the tips which are also limpid; veins black. Length of the body
3½–4 lines; of the wings 5–6 lines.
Singapore and Mount Ophir.
Gen. NERIUS, _Wied._
122. Nerius fuscipennis, _Macq. Dipt. Exot._ ii. 3. 241. 1. pl. 325.
f. 5.
Singapore and Mount Ophir. Inhabits also Java and the Philippine
Islands.
Gen. TEXARA, n. g. (_Plate II. fig. 5._)
_Fœm._ _Corpus_ gracile, non setosum. _Caput_ subproductum; facies
brevis. _Antennæ_ epistoma attingentes; articulus 3^{us} clavatus;
arista pubescens, subapicalis. _Thorax_ subfusiformis. _Abdomen_
lanceolatum, thorace angustius et duplò longius. _Pedes_ postici
longi, femoribus incrassatis serratis, tarsis anticis subdilatatis.
_Alæ_ angustæ.
_Female._ Body slender, without bristles. Head slightly produced, as
broad as the thorax; face short; epistoma not prominent. Antennæ
extending to the epistoma; third joint clavate; arista minutely
pubescent, seated near the tip of the third joint. Thorax
subfusiform. Abdomen lanceolate, narrower than the thorax and about
twice its length. Anterior legs moderately long and stout; fore
tarsi slightly dilated; hind legs long; hind femora incrassated,
serrated beneath; hind tibiæ slightly curved. Wings narrow;
subcostal vein not extending to one-third of the length of the wing;
mediastinal vein not extending to half the length; radial extending
to a little beyond three-quarters of the length; cubital ending at
very little in front of the tip of the wing; discal transverse vein
straight, upright, parted by less than its length from the border,
and by about thrice its length from the præbrachial transverse.
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