Euscelidia obudu, Dikow, 2003

Dikow, Torsten, 2003, Revision of the genus Euscelidia Westwood, 1850 (Diptera: Asilidae: Leptogastrinae), African Invertebrates 44 (2), pp. 1-131 : 89-91

Euscelidia obudu sp. n.

Figs 50 , 52A–D

Etymology: Noun in apposition that refers to the type locality Obudu, Nigeria.

Diagnosis: The species is distinguished from congeners by the predominantly apruinose sct and abdominal tergites, the brown coloration of the thorax, and features of the ơ terminalia (sur with dorsal and ventral lobe, hypd bent upwards).

Description: Head: Dark brown; fc yellow pruinose, fc gib indistinct, mystax white, 7 macrosetae; prob and plp brownish-black, setae white; oc tr apruinose; occ brown pruinose dorsally, silver pruinose ventrally, setae yellowish; Antennae - scp brown, brown setae ventrally; ped brown, brown setae ventrally and dorsally, white pruinose; pped brown, white pruinose; apsel hyaline.

Thorax: Dark brown; ppro peg large, silver pruinose; sct dark brown, antero-laterally brown (forming a pattern of a median stripe reaching anterior margin and lateral stripes not reaching anterior margin), predominantly apruinose, margins silver pruinose, white and brown setae on margins, short presut and psut dc setae present; macrosetae: black,

A B C

D E

F G H

1 npl s, 1 spal s; sctl silver pruinose, ds sctl s and sctl s long, brown; Legs - yellow to brown; pro and meso fem light brown, meta fem clubbed, pale yellow proximally, club brown (light brown towards tip), setae white; tib brown, pale yellow stripe not reaching tip on meta tib anteriorly; first tar on pro and meso tarsi pale yellow proximally, on meta tarsus pale yellow in proximal half, remaining tar brown, black setae; emp minute; Wings - hyaline, microtrichia only on distal margin of cells r 1 -r 4; ptero distinct, brown; cell d terminating in 2 veins; hlt light brown.

Abdomen: Brown; T in proximal half apruinose, distal half brown pruinose, lateral and posterior margins grey pruinose, T 2 in proximal 2/3 apruinose, T1 with long brown setae laterally, T 2 in proximal 2/3 with white setae laterally, remaining T with white setae, T 8 in ^ apruinose, S proximally apruinose, remaining part grey pruinose; ơ terminalia Figs 52A–D - sur pointed distally, lobe dorsally and ventrally; hypd bent upwards; d aed shea short, blunt; lat apod simple.

Type material - The ơ holotype is labelled ‘ Nigeria: Obudu CR SE State 25.iii.1971 Col. J. T. Medler (‘Obudu CR’, ‘SE’, and ‘25’ handwritten) / 09-0 / HOLOTYPE Euscelidia obudu sp. nov. det. T. Dikow 2001 (red label)’. The specimen is directly mounted, is in very good condition (right wing broken; ơ terminalia attached to specimens pin in micro vial), and is deposited in the BMNH.

The ^ paratype has same labels as holotype except ‘ PARATYPE Euscelidia obudu sp. nov. det. T. Dikow 2001 (yellow label)’. The specimen is directly mounted, is in excellent condition, and is deposited in the BMNH .

Type locality and distribution ( Fig. 50 ): Nigeria , Obudu, 6 40'N 9 09'E. Nigeria .

Figures

Fig. 50. Distribution. Euscelidia castanea, circles; E. hyalina sp. n., triangle; E. nenemusha, star; E. obudu sp. n., pentagon; E. schoutedeni, squares.

Fig. 52. ơ terminalia. A–D. Euscelidia obudu sp. n. A. Dorsal. B. Ventral. C. Lateral. D. Aedeagus lateral. E–H. E. pallasii. E. Aedeagus lateral. F. Dorsal. G. Ventral. H. Lateral. Scale line = 1 mm.