Isomyia natalensis (Villeneuve, 1917)

Thomas-Cabianca, Arianna, Villet, Martin H., Martinez-Sanchez, Anabel & Rojo, Santos, 2023, South African nose flies (Diptera, Calliphoridae, Rhiniinae): taxonomy, diversity, distribution and biology, Biodiversity Data Journal 11, pp. 72764-72764 : 72764

Isomyia natalensis (Villeneuve, 1917)

= Thelychaeta natalensis Villeneuve, 1917: 347. Type locality: South Africa, Natal [KwaZulu-Natal].

Distribution

Afrotropical: Lesotho, Namibia, South Africa (Fig. 55 ) and Zimbabwe.

Notes

Preferred environment: forest, closed woodlands, montane forest, mist-belt forest in the margin, dune forest, forest margins, grass, grasslands, montane grasslands, Little Berg Summits Themeda grassland, riverine bush Montane slopes, riverine vegetation (Tugela River), straddling Mahai River, riverside in open road and environments with little anthropogenic intervention (Simes cottage, caravan park environments and garden areas). In Namibia, the Mesic Savannah Biome ( Kurahashi and Kirk-Spriggs 2006). Recorded elevations: 30-1981 m a.s.l. Seasonality: common and abundant species present almost all year, peaking in February and March and absent from May to July. In Namibia, only one specimen was collected ( Kurahashi and Kirk-Spriggs 2006). Behaviour and ecology: collected in sparse and dense Leucosidea Eckl. and Zeyh. sp. dominated scrub, also on Protea L. flowers, such as Protea caffra woodland and Protea roupelliae Meisn. Life cycle and developmental stages: unknown. Collection methods: hand net, hilltopping and with yellow pans, Malaise and M/V light traps and ex a Malaise trap. In Namibia, hand net ( Kurahashi and Kirk-Spriggs 2006). Illustrations and photographs: male habitus as in Fig. 56 . Male terminalia as in fig. 11 in Zumpt (1958).

Material examined: Suppl. material 1.

Figures

Figure 55. Isomyia natalensis occurrence map in South Africa, including eSwatini (eSw) and Lesotho (Le); horizontal axis longitude east and vertical axis latitude south.

Figure 56. Habitus, left lateral view of Isomyia natalensis male BMSA DIP 20283 from South Africa; scale bar = 2 mm.