Acanthacara dyonessa, Braun & Morris, 2022

Braun, Holger & Morris, Glenn K., 2022, New species of awl-head katydids, Cestrophorus and Acanthacara, from the Andes of Ecuador (Orthoptera, Conocephalinae, Cestrophorini), Journal of Orthoptera Research 31 (2), pp. 143-156 : 143

Acanthacara dyonessa sp. nov.

Figs 9D , 10D

Material examined. -

Holotype: ECUADOR • ♂; old Baeza; 8 Apr. 1989; G.K. Morris; SN-2; MLP . Paratypes: ECUADOR • 2 ♂♂; Rio Huagra Yacu near Baeza; 9 Apr. 1989; G.K. Morris leg.; ANSP • 1 ♂; Baeza ; 23 Apr. 1989; G.K. Morris leg.; ANSP • 1 ♂; Baeza ; 11 Jul. 1985; G.K. Morris leg.; ANSP .

Etymology. -

Greek dyo [dive], nessa [duck] - referring to shape of male cerci resembling a diving duck.

Diagnosis. -

Fastigium slightly longer than in other species. Tegmina as long as pronotum. Pronotum with small blackish spot on front margin and more or less extensive spot on rear margin. Cerci with bulky and obtuse in- and upward-directed tip, below that with another half as bulky inward-directed process, which has a thin digitiform and pointed ventral appendage. Styli very short and looking like lateral tips of the subgenital plate.

Measurements. -

Pronotum 4.5 mm, tegmina 3.9 mm, hind tibiae 9.6 mm.

Figures

Fig. 9. Acanthacara spp. male genitalia compared.

Fig. 10. Acanthacara adult males compared in dorsal aspect.