Afrostilobezzia ornatithorax ( Clastrier, 1988 ) Clastrier, 1988

Szadziewski, Ryszard & Dominiak, Patrycja, 2015, Afrostilobezzia, a new genus of predatory biting midges from the Afrotropical Region (Diptera: Ceratopogonidae), Zootaxa 3941 (3), pp. 445-450 : 450-451

Afrostilobezzia ornatithorax ( Clastrier, 1988) , comb. nov.

( Figs 4–6 )

Stilobezzia ornatithorax Clastrier, 1988: 128 (female, Guinea).

Diagnosis. Body yellowish brown; scutum with two dark brown lateral patches; fifth palpal segment dark brown ( Fig. 4 a). Proboscis long and slender. Mandible armed with 6 teeth ( Fig. 4 a). Flagellum longer than wing, 1.61 mm, AR 0.99. Cervical sclerites not visible. Wing length 1.50 mm, CR 0.82. Some macrotrichia at wing apex present. Scutellum armed with 4 marginal setae. Basisternum relatively broad, arched, apices of lateral arms blunt ( Fig. 4 b). Fore coxa with 2, mid coxa with 4 and hind coxa with 6 setae. First tarsomere of fore leg with 3–4 strong spines on proximal 1/3. Tarsomeres 1–3 of mid leg armed with 2 distinct apical spines, additionally first tarsomere of mid leg with 1 spine at 1/3. Hind tibial comb composed of 7 spines, tibial spur short. Tarsomeres 1–2 of hind leg with three complete rows of palisade setae. Fourth tarsomere cordiform. Fifth tarsomere unmodified, armed with two slightly unequal and simple claws ( Figs 4 c–e). TR (III) 2.3. Sternite 8 with v-shaped caudomedian excavation, caudal lobes distinct ( Fig. 5 a). Seminal capsules ovoid, with well visible surface pores, unequal, with very short neck ( Fig. 5 b).

Material examined. Holotype female of Stilobezzia ornatithorax Clastrier mounted on slide, labelled as follows: Rep. de Guinée, Kindia, Pastoria ( Figs 6 a,c), 15.VII.1963, soir à la lumière, 2799-II. Deposited in the collection of the Museum national d’Histoire naturelle in Paris.

Figures

FIGURE 4. Afrostilobezzia ornatithorax (Clastrier, 1988), female holotype: a—mouthparts; d—basisternum; c, d, e—tarsomeres 4 and 5 of fore (c), mid (d) and hind leg (e).

FIGURE 5. Afrostilobezzia ornatithorax (Clastrier, 1988), female holotype: a—distal abdominal segments, ventral view; b—seminal capsules.

FIGURE 6. Geographic distribution of Afrostilobezzia ornatithorax (Clastrier, 1988) (a, c; marked in pink) and A. clastrieri sp. nov. (b, c; marked in green).