Euscelidia moyoensis Oldroyd, 1970

Dikow, Torsten, 2003, Revision of the genus Euscelidia Westwood, 1850 (Diptera: Asilidae: Leptogastrinae), African Invertebrates 44 (2), pp. 1-131 : 83-84

Euscelidia moyoensis Oldroyd, 1970

Figs 48F–I , 61

Euscelidia moyoensis Oldroyd, 1970: 222 1980: 357 .

Diagnosis: The species is distinguished from congeners by the large size, the many yellow setae on the surface of the sct, and the densely arranged microtrichia on the wings. It is very similar to species of the datis -group, but the ơ terminalia are distinctly different.

Redescription: Head: Black; fc yellow pruinose, fc gib distinct, mystax white, sometimes yellow, many macrosetae; oc tr yellow pruinose dorsally; occ silver pruinose, yellow setae dorsally and white setae laterally; Antennae - scp brown, setae white; ped brown, white setae ventrally and black setae dorsally; pped in proximal half light brown, distal half brown, white pruinose; apsel hyaline; Thorax: Black; sct bluish-black, predominantly apruinose, margins yellow pruinose, many yellow setae scattered on apruinose surface directing medially, yellow setae on pruinose part, macrosetae: white, 1 npl s, 1 spal s; sctl silver pruinose, ds sctl s and sctl s long, yellow; Legs - yellow to brown; pro and meso fem yellow proximally, brown distad, meta fem yellow proximally, inner side brown medially, clubbed, club with white setae, especially developed ventrally; tib brown, yellow stripe not reaching tip anteriorly; emp distinct, very short; Wings - densely covered with microtrichia; ptero indistinct, brown; cell d terminating in 2 veins; hlt brown; Abdomen: Black; T yellow pruinose anteriorly, posterior margin brown pruinose, T1 with white setae, T2 with few white setae laterally, remaining T with short yellowish setae, S grey pruinose, S 2 in proximal 3/4 apruinose; ơ terminalia Figs 48F–I - sur distally only slightly pointed, lobe ventrally; hypd ventral margin straight; d aed shea laterally flattened, tip hook-shaped; lat apod bifurcated.

Type material - The ơ holotype is labelled ‘ HOLOTYPUS (red label with black submarginal border) / Congo Belge, P. N. G. [Parc National Garamba] Miss H. De Saeger Mt. Moyo, 29-VII-52 [29.vii.1952] H. De Saeger. 3844 / Euscelidia moyoensis Oldr. det. H. Oldroyd 1966 HOLOTYPE (handwritten except for ‘det. H. Oldroyd 19’)’. The specimen is double mounted (minuten in block of foam), is in very good condition (antennae and left pro tarsus broken), and is deposited in the MRAC .

Type locality and distribution ( Fig. 61 ): DR Congo , Garamba National Park , Mount Moyo, 4 06'N 29 27'E (co-ordinates for Garamba National Park). Burundi, Cameroon, DR Congo .

Material examined: BURUNDI: 2ơơ Butetsi, 352'S 30 15'E, 27.v.1950, 20.vi.1952. CAMEROON: 6^^ 7ơơ Bamenda, 5 55'N 1010'E, 18+ 22.xi.1987. Depository: BMNH, ISNB, NMSA .

Figures

Fig. 48. ơ terminalia. A–E. Euscelidia marion. A. Dorsal. B. Ventral. C. Lateral. D. Aedeagus lateral. E. Aedeagus dorsal. F–I. E. moyoensis. F. Aedeagus lateral. G. Dorsal. H. Ventral. I. Lateral. Scale line = 1 mm.

Fig. 61. Distribution. Euscelidia erichthenii sp. n., pentagon; E. festiva, squares; E. moyoensis, circles; E. obtusa sp. n., triangles; E. senegalensis sp. n., star.