Dasyrhicnoessa ferruginea ( Lamb, 1914 )

Munari, L., 2004, Beach Flies (Diptera: Tethinidae: Tethininae) From Australia and Papua New Guinea, with Descriptions of Two New Genera and Ten New Species, Records of the Australian Museum 56 (1), pp. 29-56 : 36

Dasyrhicnoessa ferruginea ( Lamb, 1914)

Mathis & Sasakawa, 1989: 667; Mathis & Munari, 1996: 12; Munari & Evenhuis, 2000: 147.

Material examined. Australia, Queensland: Lloyd Bay , 3 mi N of Claudie River mouth, 25.xii.1971, D.K. McAlpine and G.A. Holloway, 3733 17♀♀ ; Portland Roads , 14.xii.1971, D.K. McAlpine, G.A. Holloway, and D.P. Sands, 13 3♀♀ . Papua New Guinea, Port Moresby, Ela Beach , 10.i.1964, D.K. McAlpine, 733 5 cf. ♀♀ [ AM]

Distribution. Afrotropical: Kenya, Madagascar, Seychelles (Aldabra, Astove, Mahé). South Indian Ocean Islands: Amsterdam Island.Australasian/Oceanian: Australia (QLD) [new distribution], Caroline Islands (Yap), Mariana Islands (Saipan), Palau, Papua New Guinea [new distribution]. Oriental: China ( Hong Kong - Lantau), Malaysia (Sabah, Singapore), Philippines (Balabac, Busuanga, Calicoan, Culion, Leyte, Mindanao, Negros Oriental, Palawan).

Remarks. Males of this widespread species are easily distinguished from congeners by the peculiar shape of the posteroventral armature of the mid femur (see key). Conversely, the females are not so easily identifiable, since they are very similar to females of many other species.