Euscelidia dorata Oldroyd, 1970

Dikow, Torsten, 2003, Revision of the genus Euscelidia Westwood, 1850 (Diptera: Asilidae: Leptogastrinae), African Invertebrates 44 (2), pp. 1-131 : 55-57

Euscelidia dorata Oldroyd, 1970

Figs 29, 30

Euscelidia dorata Oldroyd, 1970: 220 1980: 356 .

Diagnosis: The species is distinguished from congeners by the entirely pruinose sct, only four setae comprising the mystax, vein R 4 bulging anteriorly constricting cell r 2+3, and features of the ơ terminalia (very long d aed shea).

Redescription: Head: Black; fc silver pruinose, fc gib indistinct,mystax white, 4macrosetae, as long or longer than prob; oc tr yellow pruinose dorsally; occ yellow pruinose, few white setae; Antennae - scp and ped brown, setae dark brown; pped brown, white pruinose; apsel brown; Thorax: Brown;sct hump-backed, red-brown, entirely covered with white pruinosity, 3 indistinct median stripes shine through the pruinosity, macrosetae: yellow, 1 npl s, 1 spal s; very few setae on anepst directing anteriorly; sctl silver pruinose, ds sctl s and sctl s very short; Legs - yellow to brown; fem light brown, meta fem yellow proximally, clubbed; pro and meso tib yellowish-brown, meta tib brown; emp long, longer than half of length of clw; Wings - microtrichia densely arranged on remigium; ptero distinct, brown; vein R 4 bulging anteriorly constricting cell r 2+3, cell d terminating in 3 veins; hlt yellow; Abdomen: yellow or brown; T white pruinose, T1 with white setae, remaining T with short white and brown setae, S white pruinose; ơ terminalia Fig. 30 - sur pointed distally, lobe ventrally; hypd ventral margin straight; gonst large, prominent structure arising from proximal hypd; d aed shea tubular, very long (extending ơ terminalia); lat apod simple.

A B C

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 II /fd/15, 22-IX-1951 Rec. H. De Saeger. 2464 / Euscelidia dorata Oldroyd 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 (right pro leg broken; ơ terminalia attached to specimens pin in micro vial), and is deposited in the MRAC .

The ^ paratype is labelled ‘ Congo Belge, P. N.G. Miss H. De Saeger II/gd/11, 12-VII-1951 Rec. H. De Saeger. 2071 / Euscelidia dorata Oldr. det. H. Oldroyd 1966. (handwritten except for ‘det. H. Oldroyd 1966’) / Paratype (red label)’. The specimen is double mounted (minuten in block of foam), is in fairly poor condition (antennae, right pro leg, left meso and meta legs, and abdomen broken), and is deposited in the ISNB . The ơ paratype is labelled ‘ Congo Belge, P. N.G. Miss H. De Saeger II/fe/ Gar, 16-II-1951 Rec. J. Verschuren. 1269 / Paratype (red label) / Euscelidia dorata Oldr. det. H. Oldroyd 1966. (handwritten except for ‘det. H. Oldroyd 1966’)’. The specimen is double mounted (minuten in block of foam), is in fairly good condition (antennae, left pro leg, and all right legs broken), and is deposited in the ISNB .

Type locality and distribution (Fig. 29): DR Congo , Garamba National Park , 406'N 2927' E. Angola, DR Congo, Ethiopia, Tanzania, The Gambia, Zambia, Zimbabwe .

Material examined: ANGOLA: 1^ Nova Lisboa, 1245'S 15 43'E, 5–7.iii.1972 ; 1 ^ Alto Hama , 12 14'S 1533'E, 7.iii.1972 ; DR CONGO: 11 ^^ 1ơ 1? Garamba National Park , 406'N 29 27'E, 15.ii.1950 , 17.ii., 27.iv., 30.vi., 22.ix., 23.xi., 10.xii., 20.xii., 26.xii.1951; ETHIOPIA: 1^ Bahir Dar , 1133'N 37 21'E, 11.x.1968 ; 1 ^ Adowa , 1410'N 38 54'E, 18.x.1957 ; TANZANIA: 1 ^Kafukola , 804'S 31 57'E, 12.i.1956 ;

THE GAMBIA: 1^ Bakau , 13 29'N 16 41'W, 23.xi.1977 ; ZAMBIA:1ơ Kasanka National Game Reserve , 12 30'S 30 15'E, 9–21.xii.1989 ; ZIMBABWE:1? Harare, 17 49'S 31 02'E, 18.vi.1938 . Depository : BMNH, ISNB, MRAC, MZLU, NMSA, SMNS, USNM .

Figures

Fig. 30. ơ terminalia of Euscelidia dorata. A. Dorsal. B. Ventral. C. Lateral. D. Aedeagus lateral. Scale line = 1 mm.