Euscelidia senegalensis, Dikow, 2003

Dikow, Torsten, 2003, Revision of the genus Euscelidia Westwood, 1850 (Diptera: Asilidae: Leptogastrinae), African Invertebrates 44 (2), pp. 1-131 : 108-109

Euscelidia senegalensis sp. n.

Figs 3 , 58H–M , 61

Etymology: Refers to the apparent distribution of this species in Senegal.

Diagnosis: The species is distinguished from congeners by the predominantly apruinose sct, the yellow setae scattered on the sct, the densely arranged microtrichia on the wings, and features of the ơ terminalia.

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

Thorax: Black; ppro peg large, silver pruinose; sct predominantly apruinose, silver pruinosity restricted to anterior, lateral, and posterior margins, yellow setae scattered on sct; macrosetae: white, 1 npl s, 1 spal s; sctl silver pruinose, ds sctl s and sctl s long, white; Legs - yellow to brown; fem light brown, meta fem pale yellow in proximal half, clubbed, club brown; tib light brown, brown stripe dorsally, pale yellow stripe not reaching tip anteriorly; first tar yellow, brown distad, remaining tar brown, setae black; emp about a quarter of length of clw; Wings - densely covered with microtrichia, veins brown; ptero indistinct; cell d terminating in 2 veins; hlt light brown.

Abdomen: Black; T grey pruinose, distal T more brown pruinose dorsally, T1 with long yellow setae laterally, T 2 in proximal half with white setae laterally, remaining T with short white and yellow setae, S grey pruinose; ơ terminalia Figs 58H–M - sur not sharply pointed distally, rounded, lobe ventrally; hypd ventral margin straight; d aed shea tubular, medium length; lat apod bifurcated.

Type material - The ơ holotype is labelled ‘ SENEGAL, 2.5 KM ESE ZIGUINCHOR IN CULTIVATED AREA,AT LIGHT 20.00–21.30 [8 pm to 9.30 pm] 11.XI.1977 UTM 28PCJ6689. LOC. 32 / LUND UNIV. SYST. DEPT. SWEDEN - GAMBIA / SENEGAL NOV. 1977 – CEDERHOLM-DANIELSSON-HAMMARSETEDT-HEDQUIST- SAMUELSSON / HOLOTYPE Euscelidia senegalensis sp. nov. det. T. Dikow 2001 (red label)’. The specimen is directly mounted, is in very good condition (left meta leg broken; ơ terminalia attached to specimens pin in micro vial), and is deposited in the MZLU.

Three ^^ paratypes have the same locality label as holotype and ‘ PARATYPE Euscelidia senegalensis sp. nov. det. T. Dikow 2001 (yellow label)’. The are directly mounted, are in very good condition (one specimen right meta leg broken), and are deposited in the MZLU . Another ^ paratype is labelled ‘W-Africa: Senegal: 5 km W’ Ziguinchor: Foret de Djibelor BARKEMEYER 5.10.1987 [5.x.1987] / PARATYPE Euscelidia senegalensis sp. nov. det. T. Dikow 2001 (yellow label)’. The specimen is directly mounted, is in very good condition, and is deposited in the NMSA .

Type locality and distribution ( Fig. 61 ): Senegal, Ziguinchor , 12 34'N 16 17'W. Senegal .

Figures

Fig. 3. Euscelidia senegalensis sp. n. Lateral aspect of head and thorax (not all setae illustrated). Scale line = 1 mm.

Fig. 58. ^ and ơ terminalia. A–G. Euscelidia pulchra sp. n. A. ơ dorsal. B. ơ ventral. C. ơ lateral. D.^ dorsal. E. ^ ventral. F. ^ lateral. G. Aedeagus lateral. H–M. E. senegalensis sp. n. H. Aedeagus lateral. I. Lateral apodeme posterior. K. Dorsal. L. Ventral. M. Lateral. Scale lines = 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.