Manestella campestris, Winterton, Shaun L. & Lambkin, Christine L., 2012

Winterton, Shaun L. & Lambkin, Christine L., 2012, New Australian stiletto flies: revision of Manestella Metz and description of Medomega gen. n. (Diptera, Therevidae, Agapophytinae), ZooKeys 240, pp. 1-119: 7-8

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scientific name

Manestella campestris

sp. n.

Manestella campestris  ZBK  sp. n. Figs 1213141516

Type material.

Holotype male, AUSTRALIA: Western Australia: Warren River, 6 mi. SE Pemberton, 16.i.1971, ex. Malaise trap, G. A. Holloway [-34.507, 115.993] (AMS).

Paratypes. AUSTRALIA: Western Australia: 3 males, same data as holotype [-34.507, 115.993] (AMS); male, 2 females, 24 mi. E Pinjarra 19.i.1971, G. A. Holloway, H. Hughes [-32.556, 116.279] (CAS).


Frontal setae absent or minute, much smaller than scape setae; frons not protruding; male postocular setae in two rows; male dark yellow to cream laterally on abdominal segments 1-2; wing uniform smoky infuscate; femora brown, male hind femur yellow basally; male abdomen without velutum; gonocoxites without triangular ventromedial processes.


Body length= 3.5-4.0 mm (male), 4.5-5.0 mm (female). Head. Frontal pubescence silver-grey with dark brown markings, profile flat, lower frontal markings brown quadrangle dorsally, brown band above antennae; female frontal vestiture with uniform minute setae, setae dark (absent in male); male frons width at narrowest point narrower than anterior ocellus but not contiguous; male postocular setae as two or more rows immediately laterad of ocellar tubercle, setae black; occipital pubescence grey or tan-brown; genal setae pale; antennal scape shorter than flagellum, numerous large dark setae; flagellum brown or brownish orange, darker distally. Thorax. Scutal pubescence grey-tan with brown markings, markings as two dark medial stripes anteriorly, joining posteriorly, lateral stripes broken to tessellate (more extensive in female), vestiture as scattered short dark setae (longer in male); scutal macrosetae dark; pleuron with silver-grey pubescence; katatergite setae uniformly pale; anepisternum with grey-brown marking dorsally; coxae dark, overlain with silver-grey pubescence, setae mostly pale; femora dark brown, apices yellow or dark brown, male hind femur yellow basally, vestiture uniform short dark setae; tibiae yellow, dark grey-brown apically; tarsi dark yellow with apices brown; distal segments completely brown; winguniform smoky infuscate; scutal chaetotaxy (pairs): np, 3; sa, 1; pa, 1; dc, 5; sc, 1. Abdomen. Male without silver velutum on tergites; base colour dark brown, dark yellow to cream laterally on segments 1-2; vestiture mostly elongate pale setae, denser laterally (darker setae posteriorly); terminalia brown; female abdomen mostly dark brown, anterior segments slightly paler; intersegmental membrane distinctly pale coloured, well delineated. Male genitalia. Gonocoxite without triangular ventromedial process, gonocoxite glabrous ventrally, velutum absent; outer gonocoxal process relatively elongate, broad distally; distiphallus slightly spiral-shaped.


Manestella campestris  sp. n. is a western species with uniformly smoky infuscate wings, flat frons without macrosetae and gonocoxites without extensive velutum. Abdominal segments 1-2 are slightly lighter in color (more obvious in male) than the rest of the abdomen and this characteristic is unique to this species.


The specific epithet is derived from the Latin campester, field or plain; referring to the topography of the region that this species was collected.