Coenosia somereni ( Emden, 1940: 169 )

Couri, Márcia & Pont, Adrian, 2016, Species of Coenosia Meigen (Diptera, Muscidae) described by Fritz van Emden from the British Museum Ruwenzori Expedition of 1934 – 1935, Zootaxa 4144 (4), pp. 529-555 : 552

Coenosia somereni ( Emden, 1940: 169)

( Figs 33–36 ; 110–112)

Holotype male seen ( Figs 33–36 ); in good condition.

Diagnosis. General colour brown with grey pollinosity; scutum with three broad brown vittae; legs brown, coxae grey pollinose; arista long-haired on basal two-thirds and short-haired on apical third; palpus brown; ocellar seta very short; scutellum with four pairs of setae, the basal one about half length of the apical one; anterior katepisternal about one-third of the length of the long posterior one; both calypters very short, lower one almost of the same length as upper one; hind tibia with one anterior, one anterodorsal and one posterodorsal setae, the posterodorsal one basad of the anterodorsal; sternite 5 as in Fig. 110 .

Male terminalia. Cercal plate and surstylus as in Fig. 111 . Aedeagal complex as in Fig. 112 .

Notes. This species belong to the vittata group. One paratype male was dissected and illustrated.

Figures

FIGURES 21 – 40. Dorsal habitus, lateral habitus, head in frontal view, and labels of types of Coenosia species: 21 – 24. Coenosia gracilipes (Emden), holotype male. 25 – 28. Coenosia niveifrons argentescens (Emden), holotype male (herein as C. argentescens stat. nov.). 29 – 32. Coenosia scutellaris (Emden), holotype male. 33 – 36. Coenosia somereni (Emden), holotype male. 37 – 40. Coenosia transversalis (Emden), holotype male.

FIGURES 101 – 112. Sternite 5; cercal plate and surstyli in dorsal view; epandrium, cercal plate, surstylus and aedeagus in lateral view: 101 – 103. Coenosia niveifrons Stein. 104 – 106. Coenosia ruwenzorica Speiser. (syn: Coenosia kilembana syn. nov.). 107 – 109. Coenosia morio (Emden). 110 – 112. Coenosia somereni (Emden).