Alnetoidia (Alnetoidia) flava, Oh & Kim & Jung, 2021

Oh, Sumin, Kim, Eunji & Jung, Sunghoon, 2021, One new and one newly recorded species of the genus Alneotidia Dlabola (Hemiptera: Auchenorrhyncha: Cicadellidae: Typhlocybinae) from the Korean Peninsula with key to Korean species, Zootaxa 5032 (4), pp. 577-582 : 578

A. (Alnetoidia) flava sp. nov. Oh & Jung

( Figs. 1A–I )

Description. Body coloration light yellow ( Fig. 1A ). Crown dark yellow, pronotum and mesonotum, scutellum yellow with irregular translucence pattern. Frontoclypeus and anteclypeus dark yellow. Thorax and abdomen yellow, legs same color ( Fig. 1B ). Coxa, femur and tarsus, bright yellow, tibia yellow. Fore leg tibia with a few short setae at internal margin and middle leg tibia without setae. Hind leg tibia with several long and thick setae at external margin and internal margin with long and thin setae more dense than external margin. Forewings yellow and well developed.

Male abdominal apodemes extended to sternite IV ( Fig. 1C ).

Male genitalia. Pygofer lobe with ventral process and dorsal appendage. Ventral process lanceolate with three microsetae at middle margin; dorsal appendage with blunted end ( Fig. 1F ). Dorsal margin of pygofer lobe rough. Subgenital plate with three macrosetae at middle margin and several microsetae around outer surface ( Fig. 1I ). Style with wide preapical lobe and apex foot-like shape ( Fig. 1G ). Connective with winding arms and dented apex ( Fig. 1H ). Aedeagus stem short with a pair of short process below apex; apex of process with teeth in caudal view ( Fig. 1D ). Aedeagus curved square bracket-like shape and process of aedeagus short and blunted in lateral view ( Fig. 1E ).

Measurements. Males: 3.15–3.21 mm, females: 3.32–3.47 mm.

Specimens examined. Holotype: [ CNU] ♂, Gyesan-ri , Gadeok-myeon , Sangdang-gu, Cheongju-si, Chungchun- gbuk-do, Korea, 11. ix. 2014, coll. S. Oh, on Betula platyphylla ; Paratypes: [ CNU] ♂, 6♀♀, Saekdal-dong , Seogwiposi, Jeju-do, Korea, 3. ix. 2015, coll. S. Oh, on Acer pictum subsp. mono ; [ NIBR] ♀, same data as paratype .

Host plants. Acer pictum subsp. mono ( Sapindales : Sapindaceae )*

Distributions. Korea *

Remarks. This new species is similar to A. satsumana ( Matsumura, 1932) , but differs as follows: 1) male abdominal apodemes extended to end of sternite IV 2) appendage of pygofer with blunted apex; 3) connective with dented apex; 4) aedeagus stem short and processes not reaching apex.

Etymology. The specific name refers to the characteristics of coloration of the species. Flavus means yellow or golden in Latin.

Figures

FIGURE 1. A. (Alnetoidia) flava sp. nov.: A. Habitus. B. Ventral view. C. Male abdominal apodemes. D. Aedeagus caudal view. E.Aedeagus lateral view. F. Pygofer lobe lateral view. G. Style. H. Connective. I. Subgenital plate. Scales: 1 mm (Figs. 1 A~B), 0.1 mm (Figs. 1 C~I)