Phylogenetic Analysis of the Genus Planaphrodes Hamilton (Hemiptera, Cicadellidae, Aphrodinae) Based on Morphological Characteristics, with Revision of Species from China, Korea and Japan.

A morphology-based phylogeny of the Holarctic leafhopper genus Planaphrodes Hamilton is reconstructed for the first time based on 39 discrete male adult morphological characters. The results support the monophyly of Planaphrodes, with the included species forming two monophyletic lineages defined mainly by the number and location of aedeagus processes. The position of Planaphrodes in the Aphrodini was resolved as follows: (Stroggylocephalus + (Anoscopus + (Planaphrodes + Aphrodes))). The fauna of Planaphrodes from China, Japan and Korea are reviewed and six species are recognized, including two new species: P. bifasciatus (Linnaeus), P. sahlbergii (Signoret), P. nigricans (Matsumura), P. laevus (Rey), P. baoxingensis sp. nov. (China: Sichuan) and P. faciems sp. nov. (China: Hubei). Acocephalus alboguttatus Kato, 1933 syn. nov. and Aphrodes daiwenicus Kuoh, 1981 syn. nov. are considered junior synonyms of Planaphrodes sahlbergii (Signoret, 1879). Planaphrodes bella Choe, 1981 is a junior synonym of Planaphrodes nigricans (Matsumura, 1912). A checklist and key to species of Planaphrodes are provided.

Taxonomic Revision of the Leafhopper Genus Macropsis Lewis from Korea (Homoptera: Cicadellidae).

Korean species of the genus Macropsis Lewis are revised taxonomically, primarily based on the abdominal apodemes, male genitalia, and 2nd valvulae of the female ovipositor. Previously only three species were erroneously recorded from Korea. Among them, Macropsis notata (Prohaska, 1923) was previously misidentified as Macropsis prasina (Boheman, 1852). Two other European species, Macropsis scutellata (Boheman, 1845) and Macropsis illota (Horvth, 1899), are removed from the list of Korean fauna based on the examination of previously identified specimens that revealed only superficial resemblance to allied species. As a result, a total of 7 species are recognized in this revision, including 2 species new to science. Descriptions and distributional data are provided for all the species. Illustrations of both male and female genitalic characters as well as apodeme structures are provided, and an identification key to species from Korea is also given.

A remarkable microleafhopper genus emKoreoneura/em gen. nov. and newly recorded genus of the tribe Dikraneurini from Korea (Homoptera: Cicadellidae: Typhlocybinae).

Koreoneura eunyeopae Hossain et J. Kwon gen. et sp. nov., the biggest microleafhopper from East Asia, dwelling on Cornus coreana, along with a newly recorded genus, Igutettix Matsumura, 1932 based on I. oculatus (Lindberg), 1928, are described and illustrated from Korea. A key to the genera and checklist of Korean dikraneurine species are provided.

Taxonomic revision of the microleafhopper subgenus Alnetoidia Dlabola from Korea (Homoptera: Cicadellidae: Typhlocybinae).

Four species of Alnetoidia Dlabola, 1958 s. str. are described and illustrated. Among them, Alnetoidia (Alnetoidia) jejudoensis sp. nov. is new to science and Alnetoidia (Alnetoidia) straminea Anufriev, 1972 is newly recorded for the Korean fauna. A key to the Korean species is provided.

First record of the leafhopper genus Scaphomonus Viraktamath from Korea, with description of one new species (Hemiptera: Cicadellidae: Deltocephalinae).

The leafhopper genus Scaphomonus Viraktamath, 2009 is reported from the Korean peninsula for the first time, based on the discovery of a new species: Scaphomonus naejangsanus sp. nov. A checklist and keys to world Scaphomonus species are given.

Taxonomic revision of the microleafhopper genus Ziczacella Anufriev 1970 from Korea (Hemiptera: Cicadellidae: Typhlocybinae).

Four species of erythroneurine genus Ziczacella Anufriev, 1970 are revised. Among them, Ziczacella spinosa sp. nov. is new to science. Descriptions and illustrations of Korean species as well as a key and checklist of all known species are provided.

Taxonomic revision of the microleafhopper genus Naratettix Matsumura (Homoptera: Cicadellidae: Typhlocybinae) from Korea.

The genus Naratettix Matsumura, 1931 from Korea is revised. With the three previously recorded species, N. cheondungsanus sp. nov. is described as new to science, and N. ibukisanus Matsumura, 1931 is reported for the first time from Korea. Descriptions, illustrations and a key to the Korean Naratettix species are provided.

Two new species and two newly recorded species of the subgenus Empoasca Walsh from Korea (Hemiptrea: Cicadellidae: Typhlocybinae).

Two new species of the subgenus Empoasca (Empoasca) Walsh 1862 from Korea are described: E. giusana sp. nov. and E. palgongsana sp. nov. The following two species are newly recorded from Korea: E. ishiharai Anufriev, 1973 and E. longa Zhang and Liu, 2011. A key and checklist of Korean species of this subgenus are also provided.

Review of the leafhopper genus Maiestas Distant (Hemiptera: Cicadellidae: Deltocephalinae) from Korea.

The Korean fauna of the leafhopper genus Maiestas Distant, 1917 is reviewed taxonomically. A total of 12 species are recognized, including three new species: M. borealis sp. nov., M. maritima sp. nov., and M. peninsularis sp. nov. The following three species are newly recorded from Korea: M. horvathi (Then), M. irisa Zhang Duan, M. yangae Zhang Duan. A check-list and key to Korean species of the genus are provided.

Taxonomic revision of the microleafhopper genus Limassolla Dlabola from Korea (Hemiptrea: Cicadellidae: Typhlocybinae).

Four species belonging to the genus Limassolla Dlabola, 1965 from Korea are revised. Among them, L. koreana sp. nov., an occasional pest of persimmon trees (Diospyros kaki) is new to science. L. macrobipunctata Choe, 1986 (nom. nud.) is validated by providing a description and illustration, and L. multipunctata (Matsumura, 1920) is newly recorded for the Korean fauna. Descriptions, illustrations and a key to the Korean species are provided here.