Lispe andrefana, Vikhrev, 2021

Vikhrev, Nikita E., 2021, Lispe (Diptera, Muscidae) of Africa, Amurian Zoological Journal XIII (3), pp. 369-400 : 371-373

Lispe andrefana sp. nov.

http://zoobank.org/NomenclaturalActs/3cefcf7c-

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Figs 9–12

Holotype: male, MADAGASCAR, Toliara env., Ifaty , 23.16 ° S 43.62 ° E, 14–20 November 2012, A. Medvedev ( ZMUM).

Paratypes, 25♂, 27♀, the same data as the holotype .

Description. Male. Body length 5.5–6.1 mm. Head with frontal triangle, face and parafacials with silvery-white pollinosity; fronto-orbital plates and gena with whitish anterior and dark posterior parts; frontal vitta dark ( Fig. 10 ); occiput grey. Frontal triangle rath- er narrow with only slightly convex margins. Fronto-orbital plates with 3 long inclinate setae and with 3–6 setulae in outer row; parafacials with 7–8 hairs in lower third. Antenna short, postpedicel falling of mouth margin by twice its own length. Pedicel yellowish, postpedicel dark yellowish at very base, base of arista yellow. Aristal hairs hardly longer than half width of antenna. Vibrissae weak, hardly as long as distance between their insertion places. Palpi yellow with whitish pollinosity.

Thorax ( Fig. 9 ) evenly grey dusted; dc 2+4, two anterior postsutural pairs weak; meron bare above hind coxa; anepimeron with 10– 11 setulae. Wings clear, calypters white, halter yellow. Legs dark, densely grey dusted, with basal 1/3–1/5 of tibiae yellowish. The characteristic for the L. caesia group ventral spines are weak, distinct only on fore and mid femur. f1 with a row of 7 long pv setae. t1 with submedian pv seta. f2 with 1–3 fine v setae in basal half and 2 p preapical. t2 with 1 pv below middle. Hind coxa with seta on posterior margin. f3 with 1 submedian av and 1–3 v in basal half. t3 with 1 ad and 1 av. Hind tarsus: tar3- 1 slightly thickened in basal half; posteriorly with a dense row of downcurved p setulae.

Abdomen dirty-grey dusted, tergite 4 with a pair of black rounded spots; tergite 3 with same but hardly distinct spots ( Figs 9, 11 ). Male cercal plate shown in Fig. 12 , it is heartshaped, typical for for the L. caesia group.

Female differs from male as follows: body length 5.8–6.6 mm. Head and body with yellowish dusting instead of the whitish-grey one. Frontal triangle, fronto-orbital plates, face and gena yellowish. All femora with rows of ventral spines. t1 with submedian p strong. t3 apart from ad with av seta in apical third. Hind tarsus unmodified.

Etymology. The name refers to the Madagascan region Atsimo-Andrefana where the type series was collected.

Figures

Figs 7–12. L. alkalina sp. nov. (7–8): 7 — female, general view; 8 — female, head; L. andrefana sp. nov. (9–12): 9 — the holotype, general view; 10 — the holotype, head; 11 — the holotype, abdomen, posterior view; 12 — cercal plate