Coloana accrescens Cao & Zhang

Yang, Meixia, Cao, Yanghui & Zhang, Yalin, 2014, Review of the leafhopper genus Coloana Dworakowska (Hemiptera: Cicadellidae: Typhlocybinae: Erythroneurini), Zootaxa 3802 (3), pp. 346-358 : 348-351

3. Coloana accrescens Cao & Zhang sp. nov.

(Fig. 3)

Description. Anterior dorsum tan, with pale crescent patches at sides of coronal suture from crown to face, eyes black; frontoclypeal area and anteclypeus light brown, gena and lorum pale.

Male 2S abdominal apodemes (Fig. 3k) relatively narrow, not reached hind margin of 3rd sternite.

FIGURE 2. Coloana arcuata Dworakowska, 1981 a . fore wing; b. hind wing; c. genital capsule; d. pygofer dorsal appendage; e. subgenital plate, style, connective and the 9th sternite, dorsal view; f. subgenital plate; g. style, dorsal view; h. connective; i. aedeagus, caudal view; j. aedeagus, lateral view; k. abdominal apodemes.

Pygofer dorsal appendage (Figs 3a, b) long and relatively thick, reached hind margin of pygofer side, tapering towards apex, curved ventrad basally and slightly curved dorsad apically. Subgenital plate (Figs 3a, d) straight in lateral view, much longer than style. Style (Fig. 3e) with apical part straight. Aedeagal shaft (Fig. 3g –j) broadened basally and slightly narrowing subbasally, apical 2/3 almost equal in thickness, apical process short and broad, curved cephalad obviously; dorsal apodeme long, preatrium relatively long but narrow in lateral view. Measurement. length male 4.50mm.

Material examined. Holotype: ♂, China, Yunnan Prov., Lancang, 1100m, bamboo, 2 xii 1999, coll. Qin Daozheng. Paratypes: 2♂, same data as holotype, without host information.

FIGURE 3. Coloana accrescens Cao & Zhang sp. nov. a. genital capsule; b. pygofer dorsal appendage; c. subgenital plate, style, connective and the 9th sternite, dorsal view; d. subgenital plate; e. style, dorsal view; f. connective; g. aedeagus, caudal view; h. apex of aedeagal shaft, caudal view; i. aedeagus of holotype, lateral view; j. aedeagus of paratype, lateral view (preatrium broken); k. abdominal apodemes.

Deposition. Entomological Museum, NWAFU, Yangling, China.

Remarks. The new species is extremely similar to C. arcuata Dworakowska in the shape and size of the genital capsule and style, but has the subgenital plate extended far beyond the hind margin of the pygofer side, the connective longer, and the aedeagus much larger with the apical process broader and preatrium longer and narrower.

Etymology. The specific name is derived from the Latin word “ accrescens ”, referring to the enlarged aedeagus.