Eudorylas wittei ( Hardy, 1950 )

FÖLDVÁRI, MIHÁLY, 2013, Taxonomic revision of the Afrotropical species of the tribe Eudorylini (Diptera, Pipunculidae), Zootaxa 3656 (1), pp. 1-121 : 110-111

Eudorylas wittei ( Hardy, 1950)

( Figs 37G–L , 40U )

Dorilas (Eudorylas) wittei Hardy 1950: 39 .

Diagnosis: Scutellum shining black, 6–9 pairs of short, pale hairs (as long as width of t3 at widest). Abdominal tergites shining black. Hairs dense, whitish, longest on T5 and distal part of T4. Lateral spines on first tergite present as a patch of 8–10 long hairs. Surstyli highly asymmetrical, with numerous hairs ventrally; ST8 enlarged, with narrow m.a.; gonopods asymmetrical; hypandrium short, hypandrial apodeme well developed; phallic guide pointed at tip and with protuberance on the right side covered with thick hairs; in lateral view with membranous part; phallus trifid, branches long, not separating from each other; ejaculatory apodeme flat, broad at tip; sperm pump with two wing-like projections.

Type material: Rwanda: 1♂, HT, Congo belge: Ruanda, Kundhuru ya Tsuve , (Col Gahinga-Sabinyo), 2600 m, (Bambous), 15-ix-1934, G.F. de Witte: 601 ; 1♀, AT, same data as HT, 18-ix-1934, [No.] 611 ; 2♂, 2♀, PTs, same data as HT, Rutabagwe , 13-14-ix-1934, [No.] 595 ; 1♀, PT, Congo belge: Ruanda, Kansenze (pied Volc. Karisimbi), 2400 m, 4-iii-1935, G.F. de Witte: 1209 (all MRAC) ; 1♂, PT, same data as HT, Rutabagwe , 13-14-ix-1934, 2600 m, [No.] 595 ( AMNH) . Democratic Republic of Congo: 2♂, PTs, Congo belge: PNA, Nyakibumba , (près Kikere), 2226 m, 9-vii-1934 [as “ 2250 m 5.VII.1934 ” in Hardy 1950], G.F. de Witte: 478 ; 3♂, PTs, Congo belge: P.N.A., Nyarusambo (Kikere), 2226m, 28–29.vi.1934 [as “VII” in Hardy 1950], G.F. de Witte: 453 (all USNM) ; 1♂, PT, same data as the specimen before ( AMNH) .

Other material examined: Kenya: 1♂, 1♀, Mt. Kenya., Kathita river ., 9,900ft., 7.viii.1949., J.A. Riley.; " O.U.E.C. Exp, Mt Kenya, B.M. 1949-562."; "56" [hand-written] ; 1♂, 1♀, Mt. Kinangop, 8,000ft., F.W. Edwards.; Aberdare Range. , x.1934., B.M.E. Afr. Exp., B.M. 1935-203. (all BMNH) ; 1♂, Mt. Kenya., Naro Moru , 9,000ft., 31.viii.1949., J.A. Riley.; " O.U.E.C. Exp, Mt Kenya, B.M. 1949-562." ; 1♀, Mt. Kenya., Kathita river ., 9,900ft., 7.viii.1949., J.A. Riley.; " O.U.E.C. Exp, Mt Kenya, B.M. 1949-562."; "56" [hand-written] (both HNHM) ; 1♂, Ngong Forestry Sta [tion]. IV-13-20-1968, Malaise trap, Paul J. Spangler ; 1♂, 1♀, same data, 13–18 Jan. 1968, Krombein & Spangler (♂ HNHM, USNM) . Rwanda: 1♀, PT, Congo belge: Ruanda, Nyabitsindi (entre Volc. Bishoke-Musule ), 2400 m, 18-II-1935, G.F. de Witte: 1159 ( MRAC) , [the specimen is not listed in Hardy (1950), therefore it is not paratype]. South Africa: 1♂, RSA: Cape Prov. Nature’s valley, at Groot Rivier , 33° 58´S, 23° 33´E, 15– 17.10.1994, loc 21, leg. Roy Danielsson ( ZML) ; 1♂, Blaauwkrantz Pass, Nr. Plettenberg Bay, indigenous forest, E. Cape 11 Oct 1959, B & P Stuckenberg, “ Pipunculus (Eudorylas) n.sp. freak spec. right wing Cephalosphaera, Det. 1961, D.E. Hardy ” ( NMSA) . Uganda: 1♂, Mt. Sabinio., 8,000ft., F.W. Edwards.; Kigezi Distr. , xi.1934., B.M.E. Afr. Exp., B.M. 1935- 203. ( BMNH) . Zimbabwe: 1♂, Rhodes-Inyanga National Park., S. Rhodesia , 13 Jan. 1955, B.R.S. P.G., ” Pipunculus (Eudorylas) n.sp? runs near P.(P.) pallidipleura Curran, Det. 1961 D.E. Hardy ” ( NMSA) .

Male

Head. Third antennal segment acuminate; yellow, arista shining black. Face silvery pollinose. Frons, upper part shining black, lower part silvery pollinose; eyes touching for distance equal to 2 times ocellar triangle. Occiput, upper half subshining black, lower half silvery pollinose.

Thorax. Humeri yellow. Mesonotum (viewed obliquely from front) subshining black, faintly greyish pollinose; silver grey from the side. Scutellum shining black, 6–9 pairs of short, pale hairs (as long as width of t3 at widest). Dorsocentral hairs distinct. Halter yellow-brown.

Legs. Trochanters, femora brown (may be more yellow, in this case dorsal surface of femora always brown), knees, tibiae, tarsal segments yellow, last segment brown. Ventroapical row of 2–4 short black spines on first four femora; no spines on 3rd femur. Subapical (distal) spines on first four tibiae distinct. No anteromedial hairs on 3rd tibia. Hind trochanter covered with short, white hairs on ventral side. Pulvilli shorter than last tarsal segment.

Wing. Fourth costal section 0.7–1.1 times as long as third costal section. Cross-vein R-M at 1/4 to 2/5 of discal cell. Pterostigma fully coloured. Hairs on tegula absent.

Abdomen. Viewed obliquely from front tergites shining black. Hairs dense, whitish, longest on T5 and distal part of T4. Lateral spines on first tergite present as a patch of 8–10 long hairs. Postabdomen in dorsal view: T5 1.1 times as long as ST8. Genitalia without dissection: shining black with whitish hairs dorsally, SS and EP yellow, m.a. oval.

Genitalia. Surstyli highly asymmetrical, with numerous hairs ventrally; ST8 enlarged, with narrow m.a. ( Fig. 37H ). SES uncertain; gonopods asymmetrical, outer longer; hypandrium short, hypandrial apodeme well developed; phallic guide pointed at tip and with protuberance on the right side covered with thick hairs ( Fig. 37L ); in lateral view with membranous part ( Fig. 37G ); phallus trifid, branches long, not separating from each other; ejaculatory apodeme flat, broad at tip; sperm pump with two wing-like projections ( Fig. 37J ).

Female

As male except for the following characters. Frons, eyes separated; silver-grey pollinose on lower half, shining black on upper half. Pulvilli only slightly longer than last tarsal segment. Female ovipositor as in Fig. 40U .

Remarks— Specimens can be found among the material examined bearing the label “P.(P.) pallidipleura” by Hardy, referring to Cephalops (Cephalops) pallidipleura.

Distribution— Democratic Republic of Congo, Kenya, Rwanda, South Africa, Uganda, Zimbabwe.

Figures

FIGURE 37. Male genitalia of Eudorylas unanimus (A–F) and E. wittei (G–L).—A: outer surstylus with phallic guide, phallus and outer gonopod, lateral view, B: ventral view with phallic guide, phallus (without ST8), C: inner surstylus, lateral view, D: surstyli, dorsal view, E: sperm pump with ejaculatory apodeme, F: dorsal view, G: outer surstylus with phallic guide and outer gonopod, lateral view, H: dorsal view, I: inner surstylus, lateral view, J: phallus with sperm pump and ejaculatory apodeme, K: surstyli, dorsal view, L: ventral view with phallic guide (without ST8). Scale bars: 0.1 mm

FIGURE 40. Female ovipositors.—A–B: Eudorylas aethiopicus, C–D: Eudorylas bredoi, E: Clistoabdominalis lomholdti, F: Clistoabdominalis nitidifrons, G: Eudorylas falcatus, H–I: Eudorylas flexus, J: Clistoabdominalis crassus, K: Eudorylas setiformis, L: Clistoabdominalis lomholdti, M: Dasydorylas sordidatus, N–O: Eudorylas mikenensis, P–Q: Eudorylas decorus, R–S: Eudorylas galeatus, T: Eudorylas sinuosus, U: Eudorylas wittei, V–W: Dasydorylas evanidus. Scale bar: 0.5 mm