Abstract
A new leafhopper species Longicornus brevispinussp. nov. is described and illustrated from Yunnan Province, China. A key to distinguish all species of this genus is given, and a map showing the geographic distribution of all species is also provided. The type specimen of the new species is deposited in the Institute of Entomology, Guizhou University, Guiyang, China.
Highlights
Li and Song (2008) established the genus Longicornus with L. flavipuncatus Li & Song, 2008 as its type species from China
External morphology was observed under a stereoscopic microscope and characters were measured with an ocular micrometer
Species of Longicornus are all very similar in coloration and difficult to distinguish externally, but the structure of aedeagus are markedly different. This genus includes five species which can be divided into two types based on the structure of aedeagus: 1) aedeagus with one pair of apical processes (L. brevispinus sp. nov., L. flavipuncatus and L. longus); 2) aedeagus with paired basal processes (L. furcatus and L. biprocessus)
Summary
Li and Song (2008) established the genus Longicornus with L. flavipuncatus Li & Song, 2008 as its type species from China. Fang and Xing (2018) reviewed this genus and added two new species: L. furcatus Fang & Xing and L. biprocessus Fang & Xing, and considered L. flavipuncatus Li & Song, 2008 as a senior synonym of L. yunnanensis Xing & Li, 2011. This genus includes five species, all from China.
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