Dasydorylas sordidatus ( Hardy, 1950 )

FÖLDVÁRI, MIHÁLY, 2013, Taxonomic revision of the Afrotropical species of the tribe Eudorylini (Diptera, Pipunculidae), Zootaxa 3656 (1), pp. 1-121 : 31-32

publication ID	https://doi.org/ 10.11646/zootaxa.3656.1.1
publication LSID	lsid:zoobank.org:pub:73E59AED-B16D-430C-B611-EB5CFEAF7FDD
DOI	https://doi.org/10.5281/zenodo.6302753
persistent identifier	https://treatment.plazi.org/id/03A487FD-FF88-FFE7-1D68-FAFDFCD9493D
treatment provided by	Felipe
scientific name	Dasydorylas sordidatus ( Hardy, 1950 )
status

Treatment

Dasydorylas sordidatus ( Hardy, 1950) View in CoL

( Figs 10A–F View FIGURE 10 , 40M View FIGURE 40 )

Dorilas (Eudorylas) sordidatus Hardy 1950: 36 View in CoL .

Diagnosis: 3–4 outstanding dark hairs anteromedially on 3rd tibia. Surstyli bent ventrally and with numerous hairs on the ventral side at border with SES; phallic guide short, rather wide apically and with folded membranes, tip pointed in lateral view.

Type material: Democratic Republic of Congo: 1♂, HT, Congo belge: Kiwu, Kinyamuhara ( Djomba ), 1800 m, 23-viii-1934, G.F. de Witte: 55 ; 1♀, AT, Congo belge: PNA, vers Mt. Kamatembe , vers 2300 m, 7 au 23-i-1935, G.F. de Witte: 1051 (both MRAC) ; 1♂, PT, Congo belge: P.N.A., Nyasheke ( Volc. Nyamuragira ), 1820m, 14 au 26-vi-1935, G.F. de Witte: 1482 ( USNM) .

Other material examined: Kenya: 1♂, lake Nakuru, 5767 feet, 15–16.xii.1970, A.E Stubbs, B.M. 1972-211 ( BMNH) .

Male (No head on specimens)

Head.

Thorax. Humeri dark brown. Mesonotum (viewed obliquely from front) brown pollinose; subshining brown from the side. Scutellum brownish pollinose, 8–10 pairs of black bristles as long as width of t3 at widest. Dorsocentral hairs well developed. Halter brown.

Legs. Trochanters and femora dark brown to black, knees yellowish, basal 1/3 of tibiae yellow-brown, otherwise black. Tarsal segments brown, last segment black. Ventroapical row of 4–5 short, black spines on f1, 7–8 on f2; 5– 6 longer one on 3rd femur. Subapical (distal) spines on first four tibiae present. 3–4 outstanding dark hairs anteromedially on 3rd tibia. Hind trochanter bare on ventral side. Pulvilli slightly longer than last tarsal segment.

Wing. Fourth costal section 0.75 times as long as third costal section. Cross-vein R-M at 2/5 of discal cell. Pterostigma fully coloured. Hairs on tegula absent.

Abdomen. Viewed obliquely from front tergites brownish pollinose (shrunken in HT). Hairs dispersed, short and darker on sides. 5–6 dark lateral spines on first tergite. Postabdomen in dorsal view: T5 1.2 times as long as ST8. Genitalia without dissection: black, m.a. occupies half width of ST8, SS and EP yellow-brown.

Genitalia. Surstyli symmetrical, bent ventrally and with numerous hairs on the ventral side at border with SES. SES short, borders uncertain; gonopods asymmetrical, outer longer; hypandrium elongated ( Fig. 10D View FIGURE 10 ); phallic guide short, rather wide apically and with folded membranes, tip pointed in lateral view ( Fig. 10A View FIGURE 10 ); phallus trifid, branches slender; ejaculatory apodeme slightly funnel shaped; sperm pump rounded ( Fig. 10E View FIGURE 10 ).

Female (head missing in AT)

As male except for the following characters. Only short, pale hairs on scutellum. Pulvilli and claws not enlarged, about as long as in males. Two hairs on tegula. Abdomen: T1,2 silvery pollinose, otherwise brownish, with grey triangle-like patches on the side. Female ovipositor ( Fig. 40M View FIGURE 40 ) with long and slender piercer.

Distribution— Burundi, Democratic Republic of Congo, Kenya.