Eudorylas pectinatus, FÖLDVÁRI, MIHÁLY, 2013

FÖLDVÁRI, MIHÁLY, 2013, Taxonomic revision of the Afrotropical species of the tribe Eudorylini (Diptera, Pipunculidae), Zootaxa 3656 (1), pp. 1-121 : 85

Eudorylas pectinatus sp. nov.

( Figs 28A–E )

Diagnosis: Surstyli subsymmetrical, with little branches in ventral view; gonopods equal in length, IG hairy at tip, OG with hairs along medial edge in a row; phallic guide with six appendices projecting to different directions; phallus trifid, at least one branch with comb-like ornament.

Type material: South Africa: 1♂, HT, Natal, #5G, Pietermaritzburg , 29°36’S: 30°22’E, Date: 22/04[or 09]/1994, Coll: K.R. Cradock ( NMSA) .

Male

Head. Third antennal segment acuminate; yellow. Face silvery pollinose. Frons, upper part subshining black, lower part silvery pollinose; eyes touching for distance equal to 3 times ocellar triangle. Occiput silvery pollinose, upper half less so.

Thorax. Humeri pale brown. Mesonotum (viewed obliquely from front) covered with silver-brown pollinosity, along anterior margin more greyish; also grey from the side. Scutellum brownish pollinose, with 6–7 pairs of short, pale hairs. Dorsocentral hairs pale, weakly developed. Halter yellow.

Legs. Trochanters, femora, knees and tibiae yellow. Tarsal segments brownish yellow, last segment dark brown. Ventroapical row of 8–9 stout, black spines on first four femora; 6–7 longer spines on 3rd femur. Subapical (distal) spines on first four tibiae missing. One erect anteromedial hair on 3rd tibia. Hind trochanter with 1–2 pale hairs on ventral side. Pulvilli shorter than last tarsal segment.

Wing. Fourth costal section 0.5 times as long as third costal section. Cross-vein R-M before 1/3 of discal cell. Pterostigma fully coloured. Hairs on tegula missing.

Abdomen (already dissected). Viewed obliquely from front tergites (T1,2) brownish pollinose. Hairs dispersed, short and weakly developed. Laterally 6–7 dark spines on first tergite.

Genitalia. Surstyli subsymmetrical, with little branches in ventral view; ST8 with m.a. as wide as 1/3 of its width ( Fig. 28E ). SES uncertain; gonopods equal in length, IG hairy at tip, OG with hairs along medial edge in a row ( Fig. 28B ); phallic guide with six appendices projecting to different directions; phallus trifid, at least one branch with comb-like ornament ( Figs 28A, B ).

Female—Unknown.

Distribution — South Africa.

Etymology —Named after the comb-like ventral process on the phallic guide.

Figures

FIGURE 28. Male genitalia of Eudorylas pectinatus sp. nov. (A–E) and E. pilulus sp. nov. (F–J).—A: outer surstylus with outer gonopod, phallic guide and its projections, lateral view, B: ventral view with phallic guide and phallus (without ST8), C: inner surstylus, lateral view, D: surstyli, dorsal view, E: dorsal view, F: outer surstylus with phallic guide and outer gonopod, lateral view, G: dorsal view, H: inner surstylus, lateral view, I: surstyli, dorsal view, J: ventral view with phallus and phallic guide (without ST8). Scale bars: 0.1 mm