Abstract
All extant species of the planthopper genus Limois Stål (Hemiptera: Fulgoromorpha: Fulgoridae) were studied. One new species, Limois sordida sp. nov., is described and illustrated from China. Six known species are re-described and photos and illustrations of male genitalia are provided. A key to all extant species of this genus is also given.
Highlights
The lanternfly genus Limois belongs to the Aphaeninae within the family Fulgoridae (Hemiptera: Fulgoromorpha) and is distributed in the southeastern part of the Palaearctic and the northern part of the Oriental regions, most species were found in the Sino-Japanese realm
External morphological characters were generally used for species identification in this genus, male genitalia characters of most Limois species remain poorly understood so far, making identification of species in this genus difficult
Three previously described species, L. kikuchii, L. westwoodii and L. bifasciatus look similar in external morphology
Summary
The lanternfly genus Limois belongs to the Aphaeninae within the family Fulgoridae (Hemiptera: Fulgoromorpha) and is distributed in the southeastern part of the Palaearctic and the northern part of the Oriental regions, most species were found in the Sino-Japanese realm. Described by Stål (1863) with Lystra westwoodii Hope, 1843 as its type species, this genus is currently represented by nine species. This includes seven extant species, Limois bifasciatus Ollenbach, 1928, L. chagyabensis Chou & Lu, 1981, L. emelianovi Oshanin, 1908, L. guangxiensis Chou & Wang, 1985, L. hunanensis Chou & Wang, 1985, L. kikuchii Kato, 1932 and L. westwoodii, plus two extinct species, L. pardalis Zhang, 1989 and L. shanwangensis (Hong, 1979) (Bourgoin 2019). This paper adds one new species to the genus from China and re-describes and illustrates the other known extant species insofar as the morphological characters, especially the male genitalia, remained unclear to date. A distribution map and an identification key to all species in this genus are provided
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