Parandanus nigricephalus Duan

Duan, Yani, Dietrich, Christopher H., Webb, Micael D. & Zhang, Yalin, 2016, Review of the South American leafhopper genus Parandanus (Hemiptera, Cicadellidae, Deltocephalinae), ZooKeys 562, pp. 73-83 : 78

Taxon classification Animalia Hemiptera Cicadellidae

Parandanus nigricephalus Duan sp. n. Figs 5, 6

Description.

Length. Male: 6.6-6.8 mm.

Anterior margin of crown with a dark brown patch extending around ocellus and variably onto disc and to posterior margin, with a medial small yellow spot, a small dark brown spot adjacent to basal angles of eyes (Fig. 5 A–B). Face with pronounced brown markings (Fig. 5D). Pronotum with longitudinal bands variably coalescing, sordid orange brown (Fig. 5 A–B).

Crown of nearly uniform length, 0.36 × as long as distance between eyes, 0.38 × as long as median length of pronotum (Fig. 5 A–B).

Male genitalia.

Pygofer short, sides rounded apically (Fig. 6 A–B). Subgenital plate with lateral margins nearly straight, with approximately 11 narrow macrosetae (Fig. 6C). Style articulating arm moderately long and robust; preapical angle indistinct; apophysis long (Fig. 6D). Aedeagus with pair of subbasal parallel appendages converging apically, extending near to apex of shaft (Fig. 6 E–G).

Material examined.

Holotype: male, Peru: Pasco, 3km N Oxapampa, 1700m, 10°33.20'S, 75°25.55'W, 21 Oct 2002, C.H. Dietrich, merc vapor light, 02 –31– 1 (INHS). Paratypes: 13 males, same data as holotype.

Etymology.

This name is based on the vertex with a large dark patch.

Remarks.

This species can be distinguished by its pronounced brown head markings and long style apophysis.