Lispe pygmoza Vikhrev & Pont

Pont, Adrian C., 2019, Studies on the Australian Muscidae (Diptera). VIII. The genus Lispe Latreille, 1797, Zootaxa 4557 (1), pp. 1-232: 200-203

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Lispe pygmoza Vikhrev & Pont


Lispe pygmoza Vikhrev & Pont  

( Figs 410–420 View FIGURES 410–413 View FIGURES 414–416 )

Lispe pygmoza Vikhrev & Pont in Vikhrev, 2016: 181   , fig. 23.

Type-material. The holotype ♂ of this recently-described species, from Ceduna, is in ANIC.

Diagnosis. This is the only species to have an ad preapical seta on mid femur apart from L. setigena   , from which it differs by the absence of strong genal setae ( Fig. 16 View FIGURES 16–20 ) and by the presence of a pv apical seta on hind tibia.

Material Examined. AUSTRALIA: New South Wales: Eden, lagoon near beach, 17.xii.1968, I.C. Yeo, 1♀ ( QMBA); Karuah, inlet: beach, 23.xii.1968, I.C. Yeo, 1♂ 1♀ ( QMBA). South Australia: Ceduna, 24.x.1958, E.F. Riek, ♂ holotype and 1♀ paratype ( ANIC)   . Tasmania: Port Sorell , seashore, 22.xi.1968, I.C. Yeo, 1♂ 1♀ ( QMBA)   .

A further 1♂ 1♀ paratypes collected by N.E. Vikhrev at Arno Bay ( SA), 33.92S 136.57E, mangrove, were listed in the original description.

Description ♂ ♀. Head ( Fig. 410 View FIGURES 410–413 ). Ground-colour black. Frons at broadest point 0.4, at lunula 0.33–0.34, of maximum head-width (frontal view). Fronto-orbital plate yellowish-white pruinose, becoming brown above (on upper third); parafacial, face, gena and most of occiput silvery pruinose, parafacial and face partly to mainly tinged with yellow. Frontal triangle narrow, dull brownish-grey. Parafacial broad, but not quite as broad as postpedicel, with long setulae along entire length. Antenna black, except tip of pedicel and base of postpedicel which are conspicuously orange; postpedicel 2.5 times as long as broad, falling short of mouth-margin by 0.7 its length. Arista long-plumose, the hairing at widest point just over twice width of postpedicel. Vibrissa strong, with a welldeveloped pair of supravibrissals. Gena broad, 0.3 (♂) to 0.22 (♀) of vertical eye-length; genal setae strong. Palpus yellow, moderately swollen in apical part ( Fig. 411 View FIGURES 410–413 ).

Thorax. Ground-colour black. Scutum yellowish-grey dusted, with some lighter grey dust remaining between prst dc and prst ia+sa, between post dc and post ia (and extending a little mesad along scutellar suture), and between post ia and post sa; overlaid with 3 narrow brown vittae running along mid-line and dc rows from neck to prsc dc seta, the median vitta continuing on to scutellum so that the disc is wholly dark brown and only the lateral margins below are grey dusted. Postpronotal lobe and pleura grey dusted. Anterior spiracle yellowish. Acr setulae in 5–6 irregular rows at suture. Dc 2+3, all long and strong. 2 pprn. 1+2 ia. 1+1 sa, both strong. 1 strong and 1 weaker proepisternal setae. 1 strong proepimeral, equal to the strong proepisternal, with 2–3 adjacent setulae. Anepisternum with 1 short seta in upper anterior corner; posterior row with 3 strong and 3 weak setae. 3 strong kepst, lower one equidistant from the upper two. Meron entirely bare. Scutellum with disc densely setulose, the setulae extending in 2 irregular rows on to sides; ventral surface bare.

Legs. Robust, with strong bristles and (in ♂) rather long hairs and ground-setulae. Coxae black, trochanters orange; femora black, extreme tips (knees) orange; tibiae orange-yellow, sometimes weakly infuscated in apical 1/ 3 to 1/2; basal tarsomere of fore leg orange to brown, otherwise tarsomeres black. Fore coxa without long setae behind. Fore femur with a row of long av setulae; pv row complete, the setae much longer than femoral depth and interspersed with shorter setae and setulae; pd row complete, strong. Fore tibia without submedian setae; with d, p and pv apical setae. Fore tarsomeres 3–5 rather enlarged, otherwise without modifications. Mid femur on av surface with a row of setae on basal 2/ 3 in ♂, these little more than setulae in ♀; pv surface in ♂ with several long setae in basal 2/3, becoming setulose thereafter, reduced to a few short fine setae in basal half in ♀; 1 a at middle; 1 ad before apex, and 2 p preapicals. Mid tibia with 1 submedian p seta; with strong ad, pd, a, av and pv apicals, the ad well before apex of tibia. Mid tarsomeres without modifications. Hind coxa without a seta on posterior apical margin. Hind femur in ♂ with a dense row of pv setae and setulae, the longest barely equal to femoral depth, this surface bare in ♀ except for 3–4 very short fine setae near base; av row in ♂ complete, the setae rather short and strong, shorter and sparser in ♀; ad row complete; 1 pd preapical. Hind tibia with 1 long ad (and an aberrant av on one side in 1♂); d and ad preapical setae very strong, the d placed above the ad by more than tibial diameter; with a, av and pv apicals. Hind tarsomeres not modified.

Wing. Clear. Tegula orange, basicosta yellow. Crossvein r-m placed apicad of the point where vein R1 enters costa; dm-cu straight, longer than apical section of vein CuA1. Vein M running straight to wing-margin. Calypters white, with creamy margins. Haltere yellow, knob darkened.

Abdomen. Ground-colour black. Dust on tergites grey. Dorsal areas of tergites with a pattern of dark brown spots ( Fig. 412 View FIGURES 410–413 ), and sides of tergites 4 and 5 with a continuation of the dorsal spots ( Fig. 413 View FIGURES 410–413 ). ♂ epandrium mainly grey dusted. ♀ ovipositor with exposed tergites dusted grey. Sternites 1–5 grey dusted. Tergites 3–5 each with a pair of lateral discals, 3–5 pairs on tergite 5 in ♀, and tergite 5 with 4 pairs of marginal setae. ♂ sternites 2– 4 rather long setulose ( Fig. 414 View FIGURES 414–416 ).

Ƌ terminalia. Epandrium separated from tergite 5 by syntergosternite 8, which has 2 spiracles. Tergite 6 absent; an apparent sternite 6 present as a pair of triangular plates. Surstylus absent, i.e. fused to epandrium without trace ( Fig. 415 View FIGURES 414–416 ). Cercal plate deeply divided ventrally ( Fig. 416 View FIGURES 414–416 ). Hypandrium attached at two points: to a rod originating from wall of epandrium close to upper outer edge of cercal plate; and via an apparent praegonite to lower anterior corner of epandrium. Phallic complex ( Fig. 417): hypandrium short and broad, closed ring-like posteriorly over base of postgonite and phallapodeme; praegonite and postgonite present, the latter long and curved; phallapodeme connected medially to hypandrium by a bridge, and forked posteriorly to meet base of postgonites; phallus broad, short, with some short spinules, juxta large and without spinules; basal part with a pair of rod-like processes.

♀ ovipositor ( Figs 418–420 View FIGURES 418–420 ). Tergite 6 complete; tergite 7 divided medially; tergite 8 divided dorsally, each half displaced laterally. Sternites 6 and 7 each represented by a pair of bristle-dots; sternite 8 present as 2 small plates. Epiproct divided medially, with 1 long and several short setae, connected to the cercus. Hypoproct large, extended posteriorly, with several stout spines at apex. Cercus small, plate-shaped, with 1 weak spine at apex. 3 spermathecae.

Measurements. Wing-length, 4.5–5.0 mm (♂), 5.5 mm (♀). Body-length, 6.0– 6.5 mm (♂), 7.0 mm (♀).

Biology. Vikhrev (2016: 181) collected his paratypes from mangroves; other specimens have been collected on beaches and by a coastal lagoon.

Distribution. Known only from Australia ( NSW, SA, T)


Australian National Insect Collection


Museum national d'Histoire Naturelle, Laboratiore de Paleontologie


Royal Botanic Gardens, National Herbarium of New South Wales














Lispe pygmoza Vikhrev & Pont

Pont, Adrian C. 2019

Lispe pygmoza Vikhrev & Pont in Vikhrev, 2016 : 181

Vikhrev, N. E. 2016: 181