taxonID	type	description	language	source
3B3D87F8CA4FF048FF27FE89F18685B1.taxon	diagnosis	Diagnosis Hind wings with 2 or 1 apical cells due to formation of vein R + M. Male abdominal apodemes large. Apex of male subgenital plate without small spines and pygofer with two groups of bristles, one at apical margin and one at base. Style without tooth at apex and aedeagus with two pairs of symmetrical processes at apex.	en	Oh, Sumin, Kim, Il-Kwon, Jung, Sunghoon (2025): Two new species of Edwardsiana Zachvatkin (Hemiptera: Auchenorrhyncha: Cicadellidae: Typhlocybinae) and an additional newly recorded species from the Korean Peninsula. Zootaxa 5722 (4): 583-590, DOI: 10.11646/zootaxa.5722.4.8, URL: https://doi.org/10.11646/zootaxa.5722.4.8
3B3D87F8CA4FF04AFF27FB26F7848654.taxon	description	(Figs. 1 A – I) Description. Body slender. Body coloration entirely ivory (Fig. 2 - A). Crown width except eyes longer than length. Pronotum ivory, width similar head includes eyes. Frontoclypeus and anteclypeus ivory and narrow, labrum dark brown and well developed (Fig. 2 - B). Thorax yellow and legs light yellow. Forewing translucent with yellowish translucent apical cell. Abdomen long and light yellow in dorsal view, yellow in ventral view. Male abdominal apodemes well developed, broad and extended to end of 5 th sternite (Fig. 1 - C). Male genitalia. Pygofer lobe rounded with angulate process at anterolateral margin and irregularly micro spins. Pygofer lobe with seven macrosetae at base and ca. seven macrosetae on anterior margin, some follicle on exterior margin (Fig. 1 - F). Subgenital plate long with one macrosetae at basal margin and several microsetae along lateral margin (Fig. 1 - I). Style long and gradually curved with several microsetae on interior margin and some signs of pores on exterior margin, apex of style twist (Fig. 1 - G). Connective with arms and edge consist of distinct frame (Fig. 1 - H). Aedeagus with two pairs of at apex; preapical process bifurcated. Apical process long and gently sinuate, preapical process shorter than first process and oblique, third process shortest and thin in caudal view (Fig. 1 - D). Aedeagus greatly curved with apical process extended anterad, preapical process withe branch extended anteroventrad in lateral view (Fig. 1 - E). Measurements. Male 3.10 mm. Specimens examined. Holotype: [KNA] ♂, Korea National Arboretum, Soheul-eup, Pocheon-si, Gyeonggido, Korea, 14. ⅴ iii. 2017, Malaise trap.	en	Oh, Sumin, Kim, Il-Kwon, Jung, Sunghoon (2025): Two new species of Edwardsiana Zachvatkin (Hemiptera: Auchenorrhyncha: Cicadellidae: Typhlocybinae) and an additional newly recorded species from the Korean Peninsula. Zootaxa 5722 (4): 583-590, DOI: 10.11646/zootaxa.5722.4.8, URL: https://doi.org/10.11646/zootaxa.5722.4.8
3B3D87F8CA4FF04AFF27FB26F7848654.taxon	biology_ecology	Host plants. Unknown. Distributions. Korea.	en	Oh, Sumin, Kim, Il-Kwon, Jung, Sunghoon (2025): Two new species of Edwardsiana Zachvatkin (Hemiptera: Auchenorrhyncha: Cicadellidae: Typhlocybinae) and an additional newly recorded species from the Korean Peninsula. Zootaxa 5722 (4): 583-590, DOI: 10.11646/zootaxa.5722.4.8, URL: https://doi.org/10.11646/zootaxa.5722.4.8
3B3D87F8CA4FF04AFF27FB26F7848654.taxon	discussion	Remarks. This new species is similar to E. ishidai (Matsumura, 1932) (Dworakowska, 1982), but differs as follows: 1) first process of aedeagus curved in caudal view; 2) second process of aedeagus straight in caudal view; 3) second process of aedeagus curved gently in lateral view.	en	Oh, Sumin, Kim, Il-Kwon, Jung, Sunghoon (2025): Two new species of Edwardsiana Zachvatkin (Hemiptera: Auchenorrhyncha: Cicadellidae: Typhlocybinae) and an additional newly recorded species from the Korean Peninsula. Zootaxa 5722 (4): 583-590, DOI: 10.11646/zootaxa.5722.4.8, URL: https://doi.org/10.11646/zootaxa.5722.4.8
3B3D87F8CA4FF04AFF27FB26F7848654.taxon	etymology	Etymology. The specific name is derived from the Latin adjective “ curvus ” (curve), which refers to the shape of the 1 st process of the aedeagus (Fig 1 - D).	en	Oh, Sumin, Kim, Il-Kwon, Jung, Sunghoon (2025): Two new species of Edwardsiana Zachvatkin (Hemiptera: Auchenorrhyncha: Cicadellidae: Typhlocybinae) and an additional newly recorded species from the Korean Peninsula. Zootaxa 5722 (4): 583-590, DOI: 10.11646/zootaxa.5722.4.8, URL: https://doi.org/10.11646/zootaxa.5722.4.8
3B3D87F8CA4DF04AFF27FE51F144826C.taxon	description	(Figs. 2 A – I) Description. Body slender. Body coloration light yellow (Fig. 2 - A). Crown width except eyes longer than length. Pronotum light yellow, width similar head includes eyes. Mesonotum with large bright triangles and hazy dark vertical line in middle margin. Frontoclypeus and anteclypeus light yellow, labrum dark brown and well developed extended to coxa of second legs (Fig. 2 - B). Thorax yellow and legs whitish yellow. Forewings and hindwings translucent without spot or pattern. Abdomen light yellow in dorsal view, yellow in ventral view. Male abdominal apodemes long and wide, extended to end of sternite VI (Fig. 2 - C). Male genitalia. Pygofer lobe rounded with angle at anterolateral margin and irregularly micro spins. Pygofer lobe with three macrosetae at base and ca. six macrosetae on anterior margin (Fig. 2 - F). Subgenital plate long with one macrosetae at basal margin and several microsetae along lateral margin (Fig. 2 - I). Style long and gradually curved with several microsetae on interior margin and some follicles on exterior margin (Fig. 2 - G). Connective with arms and well-developed stem; median anterior lobe slenter (Fig. 2 - H). Aedeagus with two pairs of at apex; preapical process bifurcated. apical process long and nearly straight in caudal view, preapical process shorter than apical process and straight in caudal view, branch of preapical process shortest and thin in caudal view (Fig. 2 - D). Aedeagus slender and strongly curved with all processes extended upward in lateral view (Fig. 2 - E). Measurements. Male 3.23 mm. Specimens examined. Holotype: [KNA] ♂, Korea National Arboretum, Soheul-eup, Pocheon-si, Gyeonggido, Korea, 15. ⅴ i. 2015, Malaise trap.	en	Oh, Sumin, Kim, Il-Kwon, Jung, Sunghoon (2025): Two new species of Edwardsiana Zachvatkin (Hemiptera: Auchenorrhyncha: Cicadellidae: Typhlocybinae) and an additional newly recorded species from the Korean Peninsula. Zootaxa 5722 (4): 583-590, DOI: 10.11646/zootaxa.5722.4.8, URL: https://doi.org/10.11646/zootaxa.5722.4.8
3B3D87F8CA4DF04AFF27FE51F144826C.taxon	biology_ecology	Host plants. Unknown. Distributions. Korea.	en	Oh, Sumin, Kim, Il-Kwon, Jung, Sunghoon (2025): Two new species of Edwardsiana Zachvatkin (Hemiptera: Auchenorrhyncha: Cicadellidae: Typhlocybinae) and an additional newly recorded species from the Korean Peninsula. Zootaxa 5722 (4): 583-590, DOI: 10.11646/zootaxa.5722.4.8, URL: https://doi.org/10.11646/zootaxa.5722.4.8
3B3D87F8CA4DF04AFF27FE51F144826C.taxon	discussion	Remarks. This new species is similar to E. plebeja (Edwards, 1914) (Mitjaev, 1963), but differs as follows: 1) second process of aedeagus straight in caudal view; 2) pygofer lobe with fewer bristles at basal margin. This species is also similar to E. corylicola Vlibaste, 1968, but differs as follows; 1) male abdominal apodemes extended to posterior margin of sternite VI; 2) first process of aedeagus longest in caudal view.	en	Oh, Sumin, Kim, Il-Kwon, Jung, Sunghoon (2025): Two new species of Edwardsiana Zachvatkin (Hemiptera: Auchenorrhyncha: Cicadellidae: Typhlocybinae) and an additional newly recorded species from the Korean Peninsula. Zootaxa 5722 (4): 583-590, DOI: 10.11646/zootaxa.5722.4.8, URL: https://doi.org/10.11646/zootaxa.5722.4.8
3B3D87F8CA4DF04AFF27FE51F144826C.taxon	etymology	Etymology. The specific name is derived from the Latin adjective “ directa ” (straight), which refers to the character of the first and second processes of the aedeagus in caudal view (Fig 2 - D).	en	Oh, Sumin, Kim, Il-Kwon, Jung, Sunghoon (2025): Two new species of Edwardsiana Zachvatkin (Hemiptera: Auchenorrhyncha: Cicadellidae: Typhlocybinae) and an additional newly recorded species from the Korean Peninsula. Zootaxa 5722 (4): 583-590, DOI: 10.11646/zootaxa.5722.4.8, URL: https://doi.org/10.11646/zootaxa.5722.4.8
3B3D87F8CA4DF04FFF27FA09F7FE85D8.taxon	description	(Figs. 3 A – J)	en	Oh, Sumin, Kim, Il-Kwon, Jung, Sunghoon (2025): Two new species of Edwardsiana Zachvatkin (Hemiptera: Auchenorrhyncha: Cicadellidae: Typhlocybinae) and an additional newly recorded species from the Korean Peninsula. Zootaxa 5722 (4): 583-590, DOI: 10.11646/zootaxa.5722.4.8, URL: https://doi.org/10.11646/zootaxa.5722.4.8
3B3D87F8CA4DF04FFF27FA09F7FE85D8.taxon	description	Description. Body slender. Body coloration yellow (Fig. 3 - A). Crown width except eyes longer than length. Pronotum yellow, width similar head includes eyes, with dark posterior margin contrasting with rest of mesonotum. Mesonotum with two dark yellow triangles. Frontoclypeus and anteclypeus dark yellow, labrum dark brown and long (Fig. 3 - B). Thorax yellow and legs yellow. Forewings and hindwings translucent without spot or pattern. Abdomen light yellow. Male abdominal apodemes long and wide, extended to end of sternite V or VI (Fig. 3 - C). Male genitalia. Pygofer lobe rounded with angle at anterolateral margin and irregularly micro spins. Pygofer lobe with six macrosetae at base and ca. 10 macrosetae on anterior margin (Fig. 3 - F). Subgenital plate long with one macrosetae at basal margin and several microsetae along lateral margin (Fig. 3 - J). Style long and gradually curved with several microsetae on interior margin and five follicles on exterior margin; apex bent down (Fig. 3 - G, H). Connective with arms and well-developed stem; median anterior lobe slenter (Fig. 3 - I). Aedeagus with two pairs of at apex; preapical process bifurcated. Apical process long and straight and slightly droop, preapical process gently curved and branch of preapical process straight in caudal view (Fig. 3 - D). Aedeagus strongly curved with all processes reaching upward; apical process straight, preapical processes curved gently in lateral view (Fig. 3 - E). Measurements. Males 2.83 ~ 3.25 mm. Specimens examined. [CNU] 5 ♂♂, Sabaeri-gil, Taebaek-si, Gangwon-do, Korea, 21. ⅴ i. 2017. coll. E. Kim.	en	Oh, Sumin, Kim, Il-Kwon, Jung, Sunghoon (2025): Two new species of Edwardsiana Zachvatkin (Hemiptera: Auchenorrhyncha: Cicadellidae: Typhlocybinae) and an additional newly recorded species from the Korean Peninsula. Zootaxa 5722 (4): 583-590, DOI: 10.11646/zootaxa.5722.4.8, URL: https://doi.org/10.11646/zootaxa.5722.4.8
3B3D87F8CA4DF04FFF27FA09F7FE85D8.taxon	biology_ecology	Host plants. Alnus sp., Corylus avellana, Corylus sp. Ulmus spp. (Vilbaste, 1968; Le Quesne & Payne, 1981; Delia Giustina, 1989) Distributions. Korea *, Austria, Czechoslovakia, Denmark, Finland, France, Germany, Great Britain, Greece, Japan, Netherlands, Norway, Poland, Romania, Russia, Sweden, Ukraine, United Kingdom. (Nast. 1987; Delia Giustina, 1989; Holzinger, 1996; Thanou et al., 2018)	en	Oh, Sumin, Kim, Il-Kwon, Jung, Sunghoon (2025): Two new species of Edwardsiana Zachvatkin (Hemiptera: Auchenorrhyncha: Cicadellidae: Typhlocybinae) and an additional newly recorded species from the Korean Peninsula. Zootaxa 5722 (4): 583-590, DOI: 10.11646/zootaxa.5722.4.8, URL: https://doi.org/10.11646/zootaxa.5722.4.8
