Anthracopsis gigliotosi Karny, 1907

Massa, Bruno, 2023, Biodiversity hotspot in the Sangha Trinational Protected Area revealed through Orthoptera Tettigoniidae, Zootaxa 5331 (1), pp. 1-67 : 56-57

Anthracopsis gigliotosi Karny, 1907

Figs. 32a–32f

Karny, 1907, Abh. Zool.-bot. Ges. Wien 4(3): 71;

type locality: Cameroon; depository: MRST, Turin (♀ holotypus) .

Material examined. Republic of Congo, Sangha prov. , N-N NP, Bomassa camp (secondary for.) 02°12’36.9”N, 16°11’30.2”E, 16–23.IX.2022, MV Light Trap, V. Dérozier, B. Fouka, A. Kirk-Spriggs, H. Takano (1♁) ; Republic of Congo, Sangha prov. , N-N NP, Mbeli camp (372m) 14–20.II.2023, Actinic light trap, N.M. Bakala, V. Dérozier, A. Kirk-Spriggs, G. László (1♀) ; Republic of Congo, Sangha prov. , N-N NP, Mbeli camp (372m) 14–20.II.2023, MV light trap, N.M. Bakala, V. Dérozier, A. Kirk-Spriggs, G. László (1♁) ( ANHRT) ; Gabon, Belinga camp central, 1.I.1963, 31.XII.1963, G. Bernardi (2♀) ; Gabon, Libreville , G. Babault (1♁) ( MNHN) (C. Hemp examinavit) .

Distribution. Cameroon, Mt. Nimba (Guinea-Côte d’Ivoire) ( Karny 1907, Chopard 1954), Gabon (Belinga) (MNHN), Republic of Congo (present data).

Redescription of the female. After Karny (1907), updated ( Fig. 32a ). Colour brown with the face black, mouth testaceous, occiput dark ( Fig. 32b ), pronotum with some black spots (12 following Karny 1907), femora testaceous, genicular lobes black, ovipositor dark red. Black spots on the central hind margin of all tergites. Fore femora with 1–2 black outer and 3 inner ventral spines, fore tibiae with 3 outer and 5 inner ventral spines, mid femora with 3–4 outer spines, mid tibiae with 6 outer ventral spines, hind femora with 7 black spines, hind tibiae with 5 outer ventral spines, 4 outer dorsal, 7 inner dorsal; 3 apical spurs on each side; black dots at the base of each spine. Genicular lobes of hind femora with short spines. Subgenital plate just emarginated, cerci conical.

Description of the male (previously unknown). Same characters of the females, with the following differences. Fore femora with 1–2 black spines on outer and 4 on inner ventral margins, fore tibiae with 2 outer and 5 inner ventral spines, mid femora with 4 outer spines, mid tibiae with 6 outer ventral spines, hind femora with 7 black spines on outer ventral margin, hind tibiae with 4 outer ventral spines, 4 outer dorsal, 7 inner dorsal; 3 apical spurs on each side. Tegmina just visible below the pronotum, characterized by wide mirror ( Fig. 32c ). Cerci stout and basally rounded, flattened at the middle, apically folded up- and outwards ( Figs. 32d, 32e ). Subgenital plate apically narrowed, with a wide V-emargination, styli present ( Fig. 32f ).

Measurements (mm) (in parenthesis measurements after Karny 1907). Body length: male 18.6–21.0; female 18.2 (20); length of pronotum: male 6.4–6.6; female 6.5 (6.0); length of hind femora: male 9.8–9.9; female 10.4 (10.0); ovipositor: 9.2 (8.0).

Figures

FIGURE 32. Anthracopsis gigliotosi Karny, 1907: a) habitus of the female after Karny (1907); b) frontal view of the head; c) dorsal view of male showing the small tegmina; d) and e) dorso-lateral and lateral views of last abdominal tergites, cerci and subgenital plate of male; f) ventral-lateral view of the subgenital plate of male. Figs. b, d and f: C. Hemp (specimens at MNHN, Paris).