Arantia (Arantia) hydatinoptera Karsch, 1889

Hemp, Claudia & Massa, Bruno, 2017, Review of the African genera Arantia Stål and Goetia Karsch (Orthoptera: Tettigoniidae: Phaneropterinae), Zootaxa 4362 (4), pp. 451-498 : 463-464

Arantia (Arantia) hydatinoptera Karsch, 1889 ( Figs. 11 , 80 )

http://lsid.speciesfile.org/urn:lsid: Orthoptera .speciesfile.org:TaxonName:464829

Karsch (1889). Berlin Ent. Z., 32: 433, 434, 436.

Type locality: NIGERIA. Benue. Depository: MZPW, Warsaw. Kind of type: syntypes male and female. Material examined . EQUATORIAL GUINEA. Fernando Póo, Punta Frailes X–XI.1901, L. Fea (1♂, 1♀) ( MSNG) . CAMEROON. John-Albrechtshöhe III.1896, L. Conradt (1♀) . Lolodorf, L. Conradt (1♀) (MfN). Staudinger (1♀) (NMW).

Tegmina width: 8.9–10; tegmina length/width: 4.8; tegmina width/pronotum length: 1.4 ( Heller et al. 2014). Characters. A. hydatinoptera is of medium size (body length ♂ 30 mm, ♀ 35 mm) ( Fig. 11 ). Karsch (1889) described both sexes from Nigeria. Later, Griffini (1906) recorded it from Bioko ( Fernando Póo, Equatorial Guinea). The anterior area of the pronotum is narrower than the posterior area. The tegmina are narrow with tiny small dark spots. Fore femora with 7–8 small inner ventral spines, mid femora are unarmed, hind femora with 3 inner and 4 outer small ventral spines. Male cerci are long, unarmed, apically in-curved and a little dorso-ventrally flattened, the apex is not sclerotized ( Fig. 80 ). The ovipositor is short (4 mm) ( Karsch 1889; Brunner von Wattenwyl 1891), the subgenital plate of the female is short and rounded, and has two lateral bulges at its base.

Distribution. Central and West Africa (records from Nigeria, Cameroon and Equatorial Guinea).

Figures

FIGURES 8–11. Habitus of Arantia (Arantia) orthocnemis (syntype) (8), A. (Arantia) manca (holotype) (9), A. (Arantia) gracilicercata (holotype) (10) and A. (Arantia) hydatinoptera (syntype) (11).

FIGURES72–84.Cerci of Arantia angustipennis (72a) and original drawing of Chopard (1954) (72b), Arantia ivoriana n. sp. (dorsal and ventral view) (73a, 73b), Arantia fatidica (dorsal and lateral view) (74a, 74b), Arantia brevipes (75), Arantia dentata (76), Arantia orthocnemis (77), Arantia manca(lateral and dorsal view) (78a, 78b), Arantia gracilicercata (dorsal and lateral view) (79a, 79b), Arantia hydatinoptera (80), Arantia leptocnemis (81), Arantia simplicinervis (82), Arantia quinquemaculata n. sp. (83a, 83b), and Arantia bispinosa n. sp. (dorsal view and lateral view of left cercus) (84a, 84b).