Euscelidia lucida Oldroyd, 1939

Dikow, Torsten, 2003, Revision of the genus Euscelidia Westwood, 1850 (Diptera: Asilidae: Leptogastrinae), African Invertebrates 44 (2), pp. 1-131 : 77-79

Euscelidia lucida Oldroyd, 1939

Figs 45A–D , 46

Euscelidia lucida Oldroyd, 1939: 28 ; Hull 1962: 305; Oldroyd 1980: 356.

Diagnosis: The species is distinguished from congeners by the predominantly apruinose sct and features of the ơ terminalia ( Figs 45A–D ).

Redescription: Head: Black; fc silver pruinose, fc gib indistinct, mystax white, 5–8 macrosetae; oc tr white pruinose dorsally; occ yellow pruinose, few white setae; Antennae - scp and ped light brown, setae brown; pped yellow, white pruinose; apsel hyaline; Thorax: Orange to brown; sct brown, predominantly yellow pruinose, a median longitudinal stripe, not reaching posterior margin, and 2lateral longitudinal stripes, not reaching anterior margin, apruinose, surface of stripes black darkened, lateral and posterior margins with few yellow setae, macrosetae:black, 1 npl s, 1 spal s; sctl silver pruinose, ds sctl s and sctl long, yellow; Legs - yellow and light brown; pro and meso fem light brown, proximal half yellow posteriorly, meta fem pale yellow proximally, light brown, slightly clubbed, club with brown stripe laterally, setae white; tib light brown, yellow stripe not reaching tip on meta tib anteriorly; emp distinct, very short (emp longer in holotype); Wings - hyaline, some microtrichia distad; ptero distinct, brown; cell d terminating in 2 veins; hlt yellow with brown knob; Abdomen: Brown; T predominantly brown pruinose, apruinose spot on T2–5 anteriorly, posterior margin grey pruinose, T1 with brown setae laterally, T2 with few white setae laterally, remaining T with short yellow setae, S grey pruinose; ơ terminalia Figs 45A–D - sur pointed distally, lobe dorsally and ventrally, dorsal lobe larger and pointed; hypd bent upwards; d aed shea short, blunt; lat apod simple.

A B C

D E F

G H I

Type material - The ơ holotype is labelled ‘Type ơ (circular label with red submarginal border) Euscelidia lucida Oldr. (on backside) / Namwamba Valley. 6,500 ft. [1950 m] F. Edwards. / UGANDA: Ruwenzori Range. xii.1934 – i.1935. B.M.E. Afr. Exp. [British Museum East Africa Expedition] B.M. 1935-203 / Euscelidia lucida sp. nov. H. Oldroyd, det. 1938. (species name handwritten) / HOLOTYPE Euscelidia lucida Oldroyd det. J.E. Chainey 1982 (handwritten) Holotype (circular label with red border, attached to the other label)’. The specimen is double mounted (minuten in rectangular piece of plastic), is in good condition(abdomen broken (ơ terminalia were attached to piece of plastic); ơ terminalia attached to specimens pin in micro vial), and is deposited in the BMNH.

Type locality and distribution (Fig. 46): Uganda, Ruwenzori Range, Namwamba Valley , 0 05'N 30 10'E. DR Congo, Nigeria, Uganda .

Material examined: DR CONGO: 1^ Virunga National Park , Tshiaberimu, 0 08'S 29 25'E, 29.iii.1954 ; NIGERIA: 1^ Ngel Nyaki , 7 04'N 11 03'E, 28.xi.–3.xii.1968. Depository: BMNH, MRAC .

Figures

Fig. 45. ơ terminalia. A–D. Euscelidia lucida. A. Dorsal. B. Ventral. C. Lateral. D. Aedeagus lateral. E–I. E. lucioides sp. n. E. Aedeagus lateral. F. Hypandrium posterior. G. Dorsal. H. Ventral. I. Lateral. Scale lines = 1 mm.