Hecaloidella sandakanensis, 2021

Xu, Deliang, Webb, Michael D., Shang, Suqin & Zhang, Yalin, 2021, Review of the Pacific leafhopper genus Hecaloidella (Hemiptera: Cicadellidae Deltocephalinae: Selenocephalini) with description of sixteen new species, Zootaxa 4948 (3), pp. 381-403 : 399

H. sandakanensis Zhang & Webb sp. nov.

Figs. 1R , 8E–H

Description. Body length (including tegmina), male: 5.3mm; female: 5.6mm.

Colour as in H. brunnifacialis .

Male genitalia similar to H. brunnifacialis but aedeagus with very long basal apodeme; shaft abruptly tapered subapically in lateral view with two pairs of closely appressed processes, gonopore arising subapically on ventral surface.

Female pregenital sternite with posterior margin produced medially.

Material examined. Holotype: ♂, Borneo, Sandakan, Baker ( NMNH) . Paratype: 1♀, same data as holotype ( NMNH) .

Etymology. This species is named after the type locality.

Remarks. This species can be distinguished from other H. quadripicta group species by the two pairs of closely appressed apical aedeagal processes.

Figures

FIGURE 1. Habitus images of Hecaloidella species; A, H. bimaculata (holotype); B, H. caudospina (holotype); C, H. nitida (holotype); D, H. nudapenis (holotype); E–G, H. pacifica (paratypes and immature); H, H. borneoensis (holotype); I, H. brevipenis (holotype); J, H. brevispina (holotype); K, H. longipenis (holotype); L, H. quadrispina (holotype); M, H. spinosa (holotype); N, H. brevis (holotype); O, H. brunnifacialis (topotype); P, H. knighti (holotype); Q, H. quadripicta (paratype); R, H. sandakanensis (holotype); S, H. singaporensis (paratype); T, H. brunifasciata (holotype).

FIGURE 8. Male genitalia and female pregenital sternite of H. quadripicta species group. A–D, H. quadripicta; A, valve and subgenital plate, dorsal view; B, connective, ventral view; C, style; D, female pregenital sternite; E–H, H. sandakanensis; E, aedeagus and connective, lateral view; F, apex of aedeagus, lateral view; G, style; H, female pregenital sternite; I–L, H. singaporensis; I, aedeagus and connective, lateral view; J, aedeagus, caudal view; K, style; L, female pregenital sternite.