Cryncus camerounensis Um Nyobe, Kekeunou & Bilong Bilong, 2021

Nyobe, Philene Corinne Aude Um, Kekeunou, Sevilor, Ma, Libin, Robillard, Tony, Simeu-Noutchom, Alain & Bilong, Charles Felix Bilong, 2021, Description and bioecology of two new species of the genus Cryncus (Orthoptera Gryllidae, Gryllinae) from Cameroon with a key and distribution map of all African species, Zootaxa 4908 (4), pp. 473-488 : 477

Cryncus camerounensis Um Nyobe, Kekeunou & Bilong Bilong sp. nov.

Material examined. Holotype: male, CAMEROON, Center Region , Zamakoe (3°33’816”N, 11°31’913”E) secondary forest, 21/iii/2015; pitfall trap; P. Um Nyobe & team leg. (MNHN-EO-ENSIF1139)

Paratypes: 5 males, 14 females, CAMEROON, Center Region , Zamakoe (3°33’816”N, 11°31’913”E); principally in secondary forest, only two females in crops field (14/iii/2015, 16/ii/2015, 18/iv/2015, 21/iii/2015); pitfall trap mainly, quadrat trap occasionally (MNHN-EO-ENSIF10950-10968) . 1female, CAMEROON, Center Region , Ongot (3°85’786”N, 11°38’333”E), secondary forest, 08/ii/2015, pitfall trap (MNHN-EO-ENSIF10969) ; 1 male, CAMEROON, South Region ; Engout’Adjap (2°42’N, 11°03’E), secondary forest, 09/06/2015, pitfall trap; P. Um Nyobe & team leg. (MNHN-EO-ENSIF 10970) .

Etymology. Epithet camerounensis refers to the country where the type material was found.

Diagnosis. Micropterous species with forewings reaching abdomen mid-length. Mirror of irregular shape, wider than long, without division and presenting a space between it and the apical field which is short ( Fig. 2 C, G ). Presence of an elongated oval tympanum on outer surface of anterior tibia; inner face without tympana. Posterior tibia with 5 dorsal spurs on each side (internal and external). Median lophi and ectophallic fold absent ( Fig. 2 H, I ). Ectoparameres long, tapered and reaching apical end of epiphallic lobes without exceeding them ( Fig. 2 H, I ).

Figures

FIGURE 2. Morphology of Cryncus camerounensis sp. nov.: (A) male head and pronotum, (B) male lateral view of head and pronotum, (C) male forewing, (D) female head and pronotum, (E) female lateral view of head and pronotum, (F) female fore wing, (G) male forewing drawing, (H) male genitalia drawing in dorsal view, (I) male genitalia drawing in ventral view. Scale bars: A: 7 mm; B, C, E: 5 mm;D, 8 mm;F, 11 mm;G, 5 mm; H, I, 500 µm.