Coenosia ciliventris ( Emden, 1940: 215 )

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 : 534

Coenosia ciliventris ( Emden, 1940: 215)

( Figs 17–20 ; 68–70)

Holotype male seen ( Figs 17–20 ); in good condition.

Diagnosis. General colour brown with a little grey pollinosity; scutum with three very faint brown vittae; face, parafacial and gena silver from certain angles; palpus brown; legs yellow, including coxae, apical third of femora brown; the narrowest point of the fronto-facial stripe is below the base of the antenna ( Fig. 19 ); antenna inserted at dorsal third of eye; postpedicel long and large; frons widened towards vertex; arista with very short hairs; scutellum with both pairs of setae long and with setulae on disc; anterior katepisternal short; haltere yellow; lower calypter about 2.5 times as long as the upper one; fore tibia with a very long posteroventral seta; hind tibia with one anterior and one anterodorsal, inserted almost at the same level, the anterior one shorter; sternite 5 as in Fig. 68 .

Male terminalia. Cercal plate and surstylus as in Fig. 69 . Aedeagal complex as in Fig. 70 .

Notes. Included in the rebmanni group. The head of the species of this group is very characteristic as the narrowest point of the fronto-facial stripe is below the base of the antenna ( Fig. 19 ). One male paratype dissected and illustrated.

Figures

FIGURES 1 – 20. Dorsal habitus, lateral habitus, head in frontal view, and labels of types of Coenosia species: 1 – 4. Coenosia aequivitta (Emden), holotype female. 5 – 8. Coenosia argentipes (Emden), holotype male. 9 – 12. Coenosia aristalis (Emden), holotype male. 13 – 16. Coenosia bipila (Emden), holotype male. 17 – 20. Coenosia ciliventris (Emden), holotype male.

FIGURES 65 – 76. Sternite 5; cercal plate and surstyli in dorsal view; epandrium, cercal plate, surstylus and aedeagus in lateral view: 65 – 67. Coenosia chaetomeros (Emden). 68 – 70. Coenosia ciliventris (Emden). 71 – 73. Coenosia cubitalis (Emden). 74 – 76. Coenosia edwardsi (Emden).