Empoasca (Okubasca) calvata Qin & Liu, sp. nov.
Creators: name: Liu, Yang
name: Qin, Dao-Zheng
name: Fletcher, Murray J.
name: Zhang, Ya-Lin
Publisher: name: Zenodo
Year: 2011
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Hemiptera
Cicadellidae
Empoasca
Empoasca calvata

description: Empoasca (Okubasca) calvata Qin & Liu, sp. nov.
(Figs. 7–18)
Type materials. Holotype. 3 (NWAFU), China: Zhejiang Province, Gutianshan National Nature Reserve, 17.viii.2003, coll. Wu Dai, by light trap. Paratypes. 5 3, same data as holotype; 1 3, China: Zhejiang Province, Fengyangshan National Nature Reserve, 10.viii.2003, coll. Wu Dai, light trap.
Description. Length. 3 3.7–3.9mm.
General colour yellow. Eyes brown. Pronotum mostly semi-transparent, surrounded with irregular arch of milky patches anteriorly and laterally. Centre of scutellum with quadrate milky patch anteriorly and big patch caudad of scutoscutellar sulcus. Forewing semi-transparent, hindwing greyish white. In some specimens vertex with visible longitudinal narrow stripe on midline, reddish brown.
Body robust (Fig. 34). Head narrower and shorter than pronotum (Fig. 31). Vertex roundly produced anteriorly, in dorsal view slightly shorter than width between eyes, anterior and posterior margins not parallel, coronal suture distinct, surpassing half of vertex length (Fig. 31). Face short, convex in lateral view (Fig. 33), lateral frontal suture distinct (Fig. 32), in profile vertex rounded to face (Fig. 33). Pronotum less than 2.0 times longer than vertex in midline (Fig. 31). Forewing narrow, rounded apically, veins RP and MP’ separate at bases, 2nd apical cell broadening towards apex (Fig. 7).
Basal sternal abdominal apodemes parallel-sided, reaching middle of segment IV (Fig. 18). Male pygofer elongate, apical half strongly narrowing caudad, with 4–6 rigid microsetae on each side of lobe (Figs. 9, 11), ventral appendage relatively long, pygofer with 8–9 rigid microsetae at lower margin (Figs. 9, 11); dorsal bridge nearly one third of total length of pygofer, caudodorsally curved medially (Fig. 10). Subgenital plate longer than pygofer side, broadest subbasally and narrowing apicad, curved caudo-dorsad apically, with 13–16 bluntly terminated lateral macrosetae, numerous marginal microsetae on almost whole outer margin of plate and several fine long microsetae arranged in 1–2 rows (Figs. 9, 13). Paramere bearing 5 apical teeth preceded by 6–8 long fine microsetae. Connective lamellate, trapeziform, apical margin notched medially (Fig. 16). Aedeagus with preatrium and dorsal apodeme undeveloped, shaft tubular, in profile broadest near base and strongly narrowing apicad, subbasally provided with minute transverse ribs on dorsal side, curved caudo-dorsad medially, gonopore ventrad at apex, large (Figs. 14, 15). Anal tube process surpassing half height of pygofer, straight and narrowing with pointed apex (Figs. 9, 12).
Remarks. E. (O.) calvata differs from other species of this subgenus by the aedeagus shaft with minute transverse ribs near its base (Fig. 14) and lacking lateral teeth (Fig. 15), and the apically straight anal tube appendage (Fig. 12).
Etymology. The species name is formed from “ calvatus ” (Latin; adjective = naked) referring to the smooth surface near the apex of the aedeagal shaft.
Distribution. At present known only from the type locality in southern China (Zhejiang Province).
description: Published as part of Liu, Yang, Qin, Dao-Zheng, Fletcher, Murray J. & Zhang, Ya-Lin, 2011, Review of Empoasca (Okubasca) Dworakowska (Hemiptera: Cicadellidae: Typhlocybinae: Empoascini), first record from China and description of two new species, pp. 59-64 in Zootaxa 3101 on pages 61-62, DOI: 10.5281/zenodo.203489