Hecaloidella singaporensis, 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 : 399-400

H. singaporensis Zhang & Webb sp. nov.

Figs. 1S , 8I–L

Description. Body length (including tegmina), male: 4.9–5.1mm; female: 5.2–5.3mm.

Colour as in H. brunnifacialis .

Male genitalia similar to H. brunnifacialis . Aedeagus with shaft narrow in lateral view, with a pair of bifurcate widely divergent apical processes and a pair of processes at mid-length of shaft on dorsal surface.

Female pregenital sternite with posterior margin conically rounded.

Material examined. Holotype: ♂, Singapore, Baker ( NMNH) . Paratypes: 1♂ 4♀ 1? (abdomen missing), same data as holotype ( NMNH) .

Etymology. This species is named after the type locality.

Remarks. This species is similar to H. brunnifacialis and H. quadripicta but the aedeagal shaft is narrower in lateral view with apical processes bifurcate.

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.