Euscelidia lata, Dikow, 2003

Dikow, Torsten, 2003, Revision of the genus Euscelidia Westwood, 1850 (Diptera: Asilidae: Leptogastrinae), African Invertebrates 44 (2), pp. 1-131 : 51-52

Euscelidia lata sp. n. ( E. datis species-group)

Figs 8C , 9F , 26 , 28A–C, K–L

Etymology: Latin adjective latus = wide, broad; refers to the widened distal tip of the dorsal aedeagal sheath ( Fig. 28L ).

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

Thorax: Black; ppro peg large, silver pruinose; sct bluish-black, red spots antero-laterally, apruinose, margins silver pruinose, surface covered with long yellow setae, white setae on pruinose part; macrosetae: white, 1 npl s, 1 spal s; sctl silver pruinose, ds sctl s and sctl s long, white; Legs - orange and dark brown; pro fem orange, meso fem orange, antero-medially brown, meta fem clubbed, pale yellow proximally, proximal half of club black, distal half orange, club with erect yellow setae; pro tib light brown, pale yellow stripe anteriorly, meso tib brown, pale yellow stripe anteriorly, meta tib orange to black, pale yellow stripe not reaching tip anteriorly; first tar pale yellow, brown distad, remaining tar black, setae black; emp distinct, very short; Wings - densely covered with microtrichia, brown coloured; ptero distinct, brown; cell d terminating in 2 veins; hlt light brown.

Abdomen: Orange to black; T predominantly black, anterior and posterior margins orange, yellow pruinose, T1 with many long yellow setae, T 2 in proximal half with long yellow setae laterally, remaining T with short yellow and brown setae, S yellow pruinose, setae yellow; ơ terminalia Figs 28A–C, K–L - sur bent inwards distally; hypd distally broadened; d aed shea long, tip Fig. 28L , lat apod bifurcated.

Type material - The ơ holotype is labelled ‘ COTE D’IVOIRE: Near Palmindustrie about 15 km West of Fresco 0506'N 05 43'W JGH Londt 24.iv.1989 Airfield / Forest edge / HOLOTYPE Euscelidia lata sp. nov. det. T. Dikow 2001 (red label)’. The specimen is directly mounted, is in excellent condition, and is deposited in the NMSA . The 4^^ 4ơơ paratypes have same labels as holotype except ‘ PARATYPE Euscelidia lata sp. nov. det. T. Dikow 2001 (yellow label)’. The specimens are directly mounted, are in good to excellent condition, and are deposited in the NMSA .

Type locality and distribution ( Fig. 26 ): Ivory Coast, Fresco (15 km W), 506'N 5 43'W .

Cameroon, Ivory Coast, Liberia.

Material examined: CAMEROON: 1ơ Limbe , 401'N 9 11'E, 17.iii.1984 ; 1 ơ Yaounde , 352'N 11 30'E, 5.xi.1987 ; 1 ơ Yaounde; 1ơ Edea , 348'N 10 07'E, 31.xii.1977 ; 2 ơơ Kribi , 256'N 9 54'E, 19.iii.–7.iv.1974 ; 1ơ Campo , 2 22'N 9 49'E, 28–29.iii.1974 ; IVORY COAST: 2^^ 3ơơ Abidjan, 5 19'N 4 00'W, 21.iv.1989 ; LIBERIA: 1ơ Bakratown (? = Baka , 6º11'N 8º47'W – plotted as such in Fig. 26 ), x.1926 . Depository : MZLU, NMSA, USNM, ZMHB, ZSMC .

Figures

Fig. 8. Wings. A. Euscelidia longibifida sp. n. B. E. pulchra sp. n. C. E. lata sp. n. Scale lines = 1 mm.

Fig. 9. Antenna lateral. A. Euscelidia abbreviata sp. n. B. E. venusta sp. n. Claw and empodium. C, D. E. abbreviata sp. n. C. Dorsal. D. Lateral. E. E. venusta sp. n. Dorsal. F. E. lata sp. n. Lateral. Arrows point at empodium. Scale line = 1 mm.

Fig. 26. Distribution. E. artaphernes, circles; E. datis, squares; E. lata sp. n., triangles; E. milva sp. n., stars; ^^ of species-group, plus sign.

Fig. 28. ơ terminalia. A–C, K, L. Euscelidia lata sp. n. A. Dorsal. B. Ventral. C. Lateral. K. Aedeagus lateral. L. Aedeagus tip dorsal. D–F, M. E. milva sp. n. D. Dorsal. E. Ventral. F. Lateral. M. Aedeagus lateral. G–I, N. E. datis. G. Dorsal. H. Ventral. I. Lateral. N. Aedeagus lateral. Scale line = 1 mm.