Hecaloidella brevis, 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 : 397

H. brevis Zhang & Webb sp. nov.

Figs. 1N , 7A–G

Description. Body length (including tegmina), male: 5.4mm.

Colour as in H. brunnifacialis .

Male genitalia with connective very small; arms short, strongly curved and convergent; stem very short. Aedeagus separated from connective; without preatrium; basal apodeme long, laterally compressed, with a lobe on each side; shaft very long and narrow, tapered to acute apex, without processes, gonopore arising subapically on ventral surface.

Material examined. Holotype: ♂, Indonesia, Sulawesi Tengah, nr Morowali, Ranu River area , 27.i.-20.iv.1980, M.J.D. Brendell, NHMUK 010591772 ( BMNH).

Etymology. This species is named for its short ( brevis ) connective.

Remarks. This species can be distinguished from all other Hecaloidella species by the unique shape of its connective ( Fig. 7D–E ).

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 7. Male genitalia and female pregenital sternite of H. quadripicta species group; A–G, H. brevis; A, aedeagus, lateral view; B, apex of aedeagus, lateral view; C, aedeagus, ventral view; D–E, connective, dorsal and lateral view; F, valve and subgenital plate, dorsal view; G, style; H–L, H. brunnifacialis; H, aedeagus and connective, lateral view; I, aedeagus, caudal view; J, style; K, connective, ventral view; L, female pregenital sternite; M–Q, H. knighti; M, aedeagus, ventral view; N, connective, ventral view; O, style; P, aedeagus and connective, lateral view; Q, female pregenital sternite.