Helina fuscibasis Emden, 1951

Couri, Márcia S. & Pont, Adrian C., 2018, The male terminalia of some African species of Helina Robineau-Desvoidy, 1830 (Diptera, Muscidae), Zootaxa 4399 (2), pp. 233-247 : 235

Helina fuscibasis Emden, 1951

( Figs 9–12 )

Examined type material: Holotype male seen; abdomen broken at level of tergite 4 (dissected). One male paratype from Kenya (Mt. Elgon, health Zone) dissected and illustrated.

Diagnosis. Dorsocentrals 1+3; katepisternals 1+2; fore tibia in male with a posterior seta; mid tibia with 1 anterodorsal and 2 posterior setae; hind tibia without posterodorsal seta; wing brown at base and on anterior transverse half; costal spinules not strongly developed.

Male terminalia. Sternite 5 longer than wide, with two stout setae on each lobe and with moderate-sized setae on disc ( Fig. 9 ); cercal plate square; surstylus a little longer then cercal plate in lateral view ( Figs 10–11 ); aedeagal complex with epiphallus longer than postgonite; distiphallus membranous on inner surface ( Fig. 12 ).

Notes. Part of the terminalia was illustrated by Emden (1951: 547, Fig. 64).

Figures

FIGURES 9–16. Helina fuscibasis Emden, 1951, paratype male: (9) sternite 5, dorsal view; (10) cercal plate and surstylus, dorsal view; (11) cercal plate and surstylus, lateral view; (12) aedeagal complex, lateral view. Helina gracilior Emden, 1951, male:(13) sternite 5, dorsal view; (14) cercal plate and surstylus, dorsal view; (15) cercal plate and surstylus, lateral view; (16) aedeagal complex, lateral view.Scale bar 0.1 mm.