Anasillomos chrysopos Londt 1983, spec. nov.
Creators: name: Londt, Jason G. H.
Publisher: name: Zenodo
Year: 1983
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Diptera
Asilidae
Anasillomos
Anasillomos chrysopos

description: <i>Anasillomos</i> chrysopos spec. nov. Figs 1-5 Derivation: Gr. <i>chrysos</i> = gold; <i>opos</i> = face. Refers to the gold pruinose face of this species. Description: Based primarily on holotype &amp;male; but supplemented with information from paratypes. Head (Fig. 2): Antenna (Fig. 1) dark brown; &amp;filig;rst &amp;fllig;agellomere longer than scape and pedicel combined, with a well-developed micro-segment about as long as pedicel; scape and pedicel with yellowish bristles and setae. Face dark brown; strongly gold pruinose, pro&amp;filig;le as in Fig. 2; eye: face width ratio 1,23:1. Mystax composed ofyellow and white bristles and short white setae; bristles shorter than antennae and occupying lower three-quarters of face. Vertex dark red-brown, strongly gold pruinose, with shortish, strong, yellow-brown bristles laterally. Ocellarium moderately prominent bearing about 8 yellow-brown bristles. <i>Occiput</i> dark red-brown, strongly silver pruinose, bearing short, yellow-brown bristles and short, white setae. Proboscis dark redbrown with &amp;filig;ne white setae ventrally. Palp slender dark red-brown with &amp;filig;ne yellow and white setae; about half as long as proboscis. Thorax: Pleura orange-brown, silver-gold pruinose, <i>brown-yellow</i> bristles and fine white setae. Katatergite with <i>ca</i>. 8 brown-yellow bristles and a few, white setae. Antepronotum covered with longish brown-yellow bristles (Fig. 2) some of which also occur on propleuron. Anatergite with a good number of &amp;filig;ne, short, white setae laterally. Mesonotum dark red-brown, post-pronotal lobes more orange-brown; silver pruinose longitudinal stripes and velvet black areas, gold pruinose on post-pronotal lobes. Post-pronotal lobes with <i>ca</i>. 10 well-developed brown-yellow bristles; 8 notopleural bristles; 4 supra-alars, 4 postalars, all <i>brown-yellow</i>. Dorsocentrals brownish, moderately developed, do not go anterior of mid length of mesonotum. Posterior part of mesonotum with a few scattered, fine, white setae. Scutellum with 6 brown-yellow marginal bristles; disc with a few, &amp;filig;ne, white setae. Halters yellowish. Legs: reddish-brown <b>except</b> for ventral parts of femora which are orange-brown; bristles white, tipped with yellow (those on femora shorter and yellower), setae short white. Claws orange-brown with blackish tips. Wings: Holotype 9,2 X 3,1 mm. Membrane transparent, colourless; venation dark brown, orange anteriorly. Cell r5 closed and long stalked, <i>m</i> narrowly open orjust closed on wing margin, <i>cup</i>: closed on wing margin. Abdomen: Dark brown, yellow-brown antecostae; terga strongly silver pruinose, with yellow and white bristles laterally and small white setas dorsally. &amp;male; genitalia as in Figs 3-5. Variation: Defective specimen from Namib Desert <b>Park</b> not as bristly and with more orange coloration, especially the legs and abdomen. MATERIAL EXAMINED). BOTSWANA: 3 &amp;male; (holotype and paratypes), Serowe, 29. viii. 1982, Forchhammer (NM). NAMIBIA: 2 &amp;male; (paratypes), Riverside135, Bethanie, SE 2616, 23-26.x. 1971, H 4827 (SMW &amp; NM); 1? (paratype), Namib Desert Park, Kuiseb <b>R</b>. nr Gobabeb, on dry river bed, 7.x. 1976, A. B. Cunningham (NM); 1 &amp;female; (paratype), Sesriem 137, Maltahöhe, SE 2415 Db. 15-17. ii. 1973, H 11662 (SMW). NM Type number 2653. <b>H</b> 4827 is a SMW accession number - the collectors were Coetzee, Penrith and Olivier. Remarks: Appears to be active in mid-summer (Table 1)
description: Published as part of <i>Londt, Jason G. H., 1983, The Genus Daspletis Loew, 1858 And The Description Of Two New Genera, Anasillomos And Remotomyia (Diptera: Asilidae: Stenopogoninae), pp. 283-308 in Journal of the Entomological Society of Southern Africa 46 (2)</i> on pages 284-285, DOI: 10.5281/zenodo.11781