Lambirocerus cycloformulus, Xue & Zhang, 2018

Xue, Qingquan & Zhang, Yalin, 2018, Two new genera and species of the leafhopper tribe Idiocerini (Hemiptera: Cicadellidae) and redescription of the type species of Paraidioscopus, Zootaxa 4472 (1), pp. 185-193 : 187

Lambirocerus cycloformulus sp. nov.

( Figs. 1 , 4 )

Description. Length (including wings): male 4.0 mm.

Crown yellowish. Face basally, frontoclypeus and anteclypeus yellow; anteclypeus brownish apically; eyes black; ocelli dark brown; lora and gena brown ( Fig. 1D ). Pronotum mainly yellowish, lateral and posterior area dark brown. Scutellum yellow, mesoscutum brownish, basal triangles dark brown ( Fig. 1C ). Mesepimeron and legs ochraceous, hind leg macrosetae reddish brown. Forewing brownish, with dark brown oblique macula near midlength of costal margin bordered by broad yellow areas, clavus with large yellow transcommissural spot bordered with dark brown.

Male genitalia. Pygofer ventral margin hook-like apically. Subgenital plate shorter than pygofer, with several long fine setae on dorsal and ventral margin ( Fig. 4A ). Connective with high medial longitudinal keel. Style apex broad and digitiform, with few short setae on dorsal margin, lateral surface concave subapically ( Fig. 4I ). Aedeagal shaft with small triangular subapical process on dorsal surface in lateral view, apex with pair of short, slender processes extended distad and slightly laterad, dorsal apodeme ovoid, broader than shaft in ventral view, base acutely pointed in ventral view ( Figs. 4E–F ).

Etymology. The specific epithet refers to the large transcommissural spot on the forewing.

Material examined. Holotype: ♂, Malaysia, Sarawak (Borneo), Lambir Hills Nat`I Park, S Miri, N4°11′53.9″ E114°02′31.4″, 2006. x.12–23. J.R. Cryan & J.M. Urban, Hg vapor light ( INHS).

Figures

FIGURE 1. Lambirocerus cycloformulus sp. nov. A, habitus, dorsal view; B, habitus, lateral view; C, head and thorax, dorsal view; D, face; E, forewing.

FIGURE 4. Lambirocerus cycloformulus sp. nov. A, male pygofer, anal tube and subgenital plate, lateral view; B, apex of pygofer, posterior view; C, connective, ventral view; D, connective, lateral view; E, aedeagus, lateral view; F, aedeagus, ventral view; G, apex of aedeagus, ventral view; H, apex of aedeagus, lateral view; I, style, lateral view.