Mogannia obliqua Walker, 1858

Chen, Xiao, Yang, Mingsheng & Wei, Cong, 2012, Review of the cicada genus Mogannia Amyot & Serville from China, with descriptions of three new species (Hemiptera: Cicadidae), Zootaxa 3568, pp. 1-35 : 14-15

Mogannia obliqua Walker, 1858

Figure 9

Mogannia obliqua Walker, 1858: 139 ; Distant, 1892: 119; Distant, 1906: 154; Chou et al., 1997: 113.

Description. Head ( Fig. 9 A–D) green; postclypeus shorter than vertex in dorsal view; compound eye black; ocellus red. Distance between lateral ocellus and corresponding eye slightly shorter than distance between lateral ocelli. Rostrum fuscous, extending to mid coxae. Face yellowish brown, gena with tuft of golden hairs.

Pronotum ( Fig. 9 C) green, with several median transverse carinae on posterior area; median longitudinal fascia black and broadened at apical half. Mesonotum ( Fig. 9 C) green, slightly narrower than pronotal collar; with median broad longitudinal fascia extending from anterior margin to cruciform elevation, which is constricted at middle; cruciform elevation green. Ventral surface of thorax brown.

Legs ( Fig. 9 E) mostly brown; fore femur with primary spine appressed; secondary and subapical spines erect, sharp and very short.

Wings ( Fig. 9 A–B) hyaline; fore wing with large oblique dark brown fascia overlapping nodal line and apex of clavus; veins basally green, apically fuscous; basal membrane of fore wing and base of hind wing red.

Abdomen ( Fig. 9 A–B) cylindrical and green in dorsal view; a little longer than distance from head to cruciform elevation; terga I–VI yellowish ochraceous laterally. Ventral surface of abdomen mostly fuscous; sternite II and anterior half of sternite III yellowish brown.

Female pygofer with dorsal beak long; posterior margin of sternite VII with ‘V’-shaped incision at middle.

Measurements (3Ƥ) (in mm). Body length: Ƥ 16.0–17.0; fore wing length: Ƥ 18.0–22.0; fore wing width: Ƥ 6.0–7.0; width of head including eyes: Ƥ 3.5–4.0; pronotum width (including pronotal collar): Ƥ 6.5–7.0; mesonotum width: Ƥ 5.0–5.5.

Material examined. 1Ƥ ( NWAFU), Yunnan Prov., Mangshi, 3-VI-1956, collector unknown; 1Ƥ ( NWAFU), Yunnan Prov., Xishuangbanna, 12-VII-1958, coll. Zheng Leyi; 1Ƥ ( NWAFU), Yunnan Prov., Ruili, 28-VI-2007, coll. Cai Lijun.

Biology. Unknown.

Distribution. China (Yunnan), Myanmar, India, Sri Lanka, Malaysia.

Figures

FIGURE 9. Mogannia obliqua Walker, female. A. habitus, dorsal view; B. habitus, ventral view; C. head and thorax, dorsal view; D. face; E. left fore leg, showing the spines on fore femur.