Helina quadruplex ( Stein, 1913 )

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 : 244

Helina quadruplex ( Stein, 1913)

( Figs 45–47 )

Examined type material: Holotype destroyed ( Pont, 2013: 103). One male from Kenya (Chyulu Hills) dissected and illustrated.

Diagnosis. Fore tarsus with claws and pulvilli very long in male, and apical tarsomere dilated at apex; hind femur with 1–2 long hairs at base of ventral surface; hind tibia without long hairs; hind trochanter with a tuft of short black setulae.

Male terminalia. Sternite 5 longer than wide, with medium-sized setae on disc and on lobes ( Fig. 45 ); cercal plate long, with short spines close to tip and a little above which are arranged as a “U”; surstylus longer than cercal plate ( Figs 46–47 ); aedeagal complex with hypandrium large and distiphallus short ( Fig. 47 ).

Notes. Considered as H. quadruplex quadruplex by Emden (1951), who described a new subspecies, Helina quadruplex naivashensis, which is herein elevated to species rank (see comment above under H. naivashensis).

Figures

FIGURES 42–47. Helina Penicillata Emden, 1951, paratype male: (42) sternite 5, dorsal view; (43) cercal plate and surstylus, dorsal view; (44) cercal plate, surstylus and aedeagal complex, lateral view. Helina quadruPlex (Stein, 1913), male: (45) sternite 5, dorsal view; (46) cercal plate and surstylus, dorsal view; (47) cercal plate, surstylus and aedeagal complex, lateral view.Scale bar 0.1 mm.