Longicornus Li & Song

Longicornus Li & Song View in CoL

Longicornus Li & Song, 2008: 27 ; Li et al. 2011: 110. Type species: Longicornus flavipuncatus Li & Song , by original designation.

Diagnosis. Robust leafhoppers with dark brown patches surrounding white spots on crown. Male pygofer longer than height, dorsal margin deeply excavated or concave, without any processes, with a few macrosetae distally. Subgenital plate with mesal margin notched preapically, with one row of macrosetae. Style with well-developed subapical lobe, dorsal surface of apophysis sculptured. Aedeagus with narrow dorsal apodeme or without apodeme, shaft more or less tubular with apical, lateral or basal pair of processes, gonopore apical.

Remarks. Gou & Xing (2022) provided a key to the six known Chinese species. The genus was earlier known only from China, but it is recorded from the Indian subcontinent for the first time here.

Key to species of Longicornus View in CoL from the Indian subcontinent (males)

1. Aedeagal shaft in lateral view with a median angular projection on dorsal surface, ventral surface concave, apical processes stouter and about as long as shaft ( Figs 55G View FIGURES 55 ).................................................. L. grandis (Pruthi)

2. Aedeagal shaft in lateral view without angular projection on dorsal surface nor ventral surface concave in mid region, apical processes slender, directed more or less in line with shaft and less than half as long as shaft ( Fig. 56 View FIGURES 56 KL)................................................................................................... L. longus (Xing & Li) View in CoL