Epeurysa nawaii Distant, 1912

Park, Sanghyo & Lee, Wonhoon, 2024, First record of Epeurysa distincta Huang & Ding (Hemiptera, Delphacidae, Delphacinae) from South Korea, with an illustrated key to the Korean Tropidocephalini species, Biodiversity Data Journal 12, pp. e 134165-e 134165 : e134165-

Epeurysa nawaii Distant, 1912

Epeurysa nawaii Matsumura, 1900: 261

Eurysa nawaii Choe 1981: 21

Materials

Type status: Other material. Occurrence: recordedBy: Sanghyo Park; individualCount: 1; sex: male; lifeStage: adult; occurrenceID: 6A832EF2-9802-5318-87B7-8A39EA4C84D3; Taxon: scientificName: Epeurysa nawaii ; kingdom: Animal; phylum: Arthropoda; class: Insecta; order: Hemiptera ; family: Delphacidae ; genus: Epeurysa ; Location: country: South Korea; stateProvince: Gyeongsangnam-do; municipality: Jinju-si; locality: 1300-4, Gajwa-dong ; georeferenceProtocol: label; Identification: identifiedBy: Sanghyo Park; dateIdentified: 2021; Event: eventDate: 07-29 - 2021; Record Level: language: en; collectionCode: Insects; basisOfRecord: PreservedSpecimen

Type status: Other material. Occurrence: recordedBy: Sanghyo Park; individualCount: 4; sex: male; lifeStage: adult; occurrenceID: 486C58D0-5244-57A4-93E8-A41266434050; Taxon: scientificName: Epeurysa nawaii ; kingdom: Animal; phylum: Arthropoda; class: Insecta; order: Hemiptera ; family: Delphacidae ; genus: Epeurysa ; Location: country: South Korea; stateProvince: Gyeongsangnam-do; municipality: Jinju-si; locality: 20-13, Sanyu-ro 469 beon-gil ; georeferenceProtocol: label; Identification: identifiedBy: Sanghyo Park; dateIdentified: 2022; Event: eventDate: 06-25 - 2022; Record Level: language: en; collectionCode: Insects; basisOfRecord: PreservedSpecimen

Type status: Other material. Occurrence: recordedBy: Sanghyo Park; individualCount: 1; sex: male; lifeStage: adult; occurrenceID: FAD0D0EE-ACFA-5711-8081-DD8CFBCA4D72; Taxon: scientificName: Epeurysa nawaii ; kingdom: Animal; phylum: Arthropoda; class: Insecta; order: Hemiptera ; family: Delphacidae ; genus: Epeurysa ; Location: country: South Korea; stateProvince: Gyeongsangnam-do; municipality: Jinju-si; locality: 815, Gawja-dong ; georeferenceProtocol: label; Identification: identifiedBy: Sanghyo Park; dateIdentified: 2023; Event: eventDate: 06-02 - 2022; Record Level: language: en; collectionCode: Insects; basisOfRecord: PreservedSpecimen

Type status: Other material. Occurrence: recordedBy: Sanghyo Park; individualCount: 7; sex: female; lifeStage: adult; occurrenceID: 25E80AE4-EB95-558B-AF6D-06ED98576AB2; Taxon: scientificName: Epeurysa nawaii ; kingdom: Animal; phylum: Arthropoda; class: Insecta; order: Hemiptera ; family: Delphacidae ; genus: Epeurysa ; Location: country: South Korea; stateProvince: Gyeongsangnam-do; municipality: Jinju-si; locality: 815, Gawja-dong ; georeferenceProtocol: label; Identification: identifiedBy: Sanghyo Park; dateIdentified: 2023; Event: eventDate: 06-02 - 2022; Record Level: language: en; collectionCode: Insects; basisOfRecord: PreservedSpecimen

Type status: Other material. Occurrence: recordedBy: Sanghyo Park; individualCount: 5; sex: male; lifeStage: adult; occurrenceID: 4605BC88-0DCD-5848-B782-D0F03D386EDF; Taxon: scientificName: Epeurysa nawaii ; kingdom: Animal; phylum: Arthropoda; class: Insecta; order: Hemiptera ; family: Delphacidae ; genus: Epeurysa ; Location: country: South Korea; stateProvince: Gyeongsangnam-do; municipality: Jinju-si; locality: 1282-40, Indam-ri Geumgok-myeon ; georeferenceProtocol: label; Identification: identifiedBy: Sanghyo Park; dateIdentified: 2023; Event: eventDate: 07-25 - 2023; Record Level: language: en; collectionCode: Insects; basisOfRecord: PreservedSpecimen

Type status: Other material. Occurrence: recordedBy: Sanghyo Park; individualCount: 5; sex: female; lifeStage: adult; occurrenceID: F601FF62-B7D4-5CDF-9DE7-7892E53AEE23; Taxon: scientificName: Epeurysa nawaii ; kingdom: Animal; phylum: Arthropoda; class: Insecta; order: Hemiptera ; family: Delphacidae ; genus: Epeurysa ; Location: country: South Korea; stateProvince: Gyeongsangnam-do; municipality: Jinju-si; locality: 1282-40, Indam-ri Geumgok-myeon ; georeferenceProtocol: label; Identification: identifiedBy: Sanghyo Park; dateIdentified: 2023; Event: eventDate: 07-25 - 2023; Record Level: language: en; collectionCode: Insects; basisOfRecord: PreservedSpecimen

Type status: Other material. Occurrence: recordedBy: Sanghyo Park; individualCount: 1; sex: male; lifeStage: adult; occurrenceID: 3A672DAC-951B-5F0D-A7F7-C5F632548D15; Taxon: scientificName: Epeurysa nawaii ; kingdom: Animal; phylum: Arthropoda; class: Insecta; order: Hemiptera ; family: Delphacidae ; genus: Epeurysa ; Location: country: South Korea; stateProvince: Gyeongsangbuk-do; municipality: Yeongdeok-gun; locality: 31, Gisa-ri Jipum-myeon ; georeferenceProtocol: label; Identification: identifiedBy: Sanghyo Park; dateIdentified: 2023; Event: eventDate: 06-17 - 2023; Record Level: language: en; collectionCode: Insects; basisOfRecord: PreservedSpecimen

Type status: Other material. Occurrence: recordedBy: Sanghyo Park; individualCount: 4; sex: male; lifeStage: adult; occurrenceID: DD6583DD-6CBB-5139-9865-D9EF413A4AF6; Taxon: scientificName: Epeurysa nawaii ; kingdom: Animal; phylum: Arthropoda; class: Insecta; order: Hemiptera ; family: Delphacidae ; genus: Epeurysa ; Location: country: South Korea; stateProvince: Jeollabuk-do; municipality: Wanju-gun; locality: 591-3, Geumpyeong-ri Iseo-myeon ; georeferenceProtocol: label; Identification: identifiedBy: Sanghyo Park; dateIdentified: 2022; Event: eventDate: 06-11 - 2022; Record Level: language: en; collectionCode: Insects; basisOfRecord: PreservedSpecimen

Type status: Other material. Occurrence: recordedBy: Sanghyo Park; individualCount: 1; sex: male; lifeStage: adult; occurrenceID: A3FF8A09-F98F-5011-9EA6-5BEDE8A7661B; Taxon: scientificName: Epeurysa nawaii ; kingdom: Animal; phylum: Arthropoda; class: Insecta; order: Hemiptera ; family: Delphacidae ; genus: Epeurysa ; Location: country: South Korea; stateProvince: Jeollabuk-do; municipality: Jeonju-si; locality: 462-45, Beonyeong-ro Deokjin-gu ; georeferenceProtocol: label; Identification: identifiedBy: Sanghyo Park; dateIdentified: 2022; Event: eventDate: 06-12 - 2022; Record Level: language: en; collectionCode: Insects; basisOfRecord: PreservedSpecimen

Type status: Other material. Occurrence: recordedBy: Sanghyo Park; individualCount: 1; sex: male; lifeStage: adult; occurrenceID: B409658A-E0A0-5327-A490-9CAAE4144F90; Taxon: scientificName: Epeurysa nawaii ; kingdom: Animal; phylum: Arthropoda; class: Insecta; order: Hemiptera ; family: Delphacidae ; genus: Epeurysa ; Location: country: South Korea; stateProvince: Jeollanam-do; municipality: Sinan-gun; locality: 40, Jangdo-gil, Heuksan-myeon ; georeferenceProtocol: label; Identification: identifiedBy: Sanghyo Park; dateIdentified: 2022; Event: eventDate: 05-18 - 2022; Record Level: language: en; collectionCode: Insects; basisOfRecord: PreservedSpecimen

Type status: Other material. Occurrence: recordedBy: Sanghyo Park; individualCount: 1; sex: male; lifeStage: adult; occurrenceID: 960F8559-F386-56F7-A08C-C6606FF58C41; Taxon: scientificName: Epeurysa nawaii ; kingdom: Animal; phylum: Arthropoda; class: Insecta; order: Hemiptera ; family: Delphacidae ; genus: Epeurysa ; Location: country: South Korea; stateProvince: Jeollanam-do; municipality: Suncheon-si; locality: 295-8, Jogok-dong ; georeferenceProtocol: label; Identification: identifiedBy: Sanghyo Park; dateIdentified: 2023; Event: eventDate: 03-29 - 2023; Record Level: language: en; collectionCode: Insects; basisOfRecord: PreservedSpecimen

Type status: Other material. Occurrence: recordedBy: Sanghyo Park; individualCount: 2; sex: female; lifeStage: adult; occurrenceID: 21A80050-24DF-585D-9D6C-2E15A04CB3DD; Taxon: scientificName: Epeurysa nawaii ; kingdom: Animal; phylum: Arthropoda; class: Insecta; order: Hemiptera ; family: Delphacidae ; genus: Epeurysa ; Location: country: South Korea; stateProvince: Jeollanam-do; municipality: Suncheon-si; locality: 295-9, Jogok-dong ; georeferenceProtocol: label; Identification: identifiedBy: Sanghyo Park; dateIdentified: 2023; Event: eventDate: 03-29 - 2023; Record Level: language: en; collectionCode: Insects; basisOfRecord: PreservedSpecimen

Type status: Other material. Occurrence: recordedBy: Sanghyo Park; individualCount: 1; sex: male; lifeStage: adult; occurrenceID: 873B4724-8EFF-5EC0-9AA5-1D3C1D6BCF3A; Taxon: scientificName: Epeurysa nawaii ; kingdom: Animal; phylum: Arthropoda; class: Insecta; order: Hemiptera ; family: Delphacidae ; genus: Epeurysa ; Location: country: South Korea; stateProvince: Jeju-do; municipality: Seogwipo-si; locality: 2175, Donghong-dong ; georeferenceProtocol: label; Identification: identifiedBy: Sanghyo Park; dateIdentified: 2023; Event: eventDate: 07-08 - 2023; Record Level: language: en; collectionCode: Insects; basisOfRecord: PreservedSpecimen

Type status: Other material. Occurrence: recordedBy: Sanghyo Park; individualCount: 2; sex: female; lifeStage: adult; occurrenceID: B8E08661-1D31-5CE6-AF24-DDC6D1E60819; Taxon: scientificName: Epeurysa nawaii ; kingdom: Animal; phylum: Arthropoda; class: Insecta; order: Hemiptera ; family: Delphacidae ; genus: Epeurysa ; Location: country: South Korea; stateProvince: Jeju-do; municipality: Seogwipo-si; locality: 2176, Donghong-dong ; georeferenceProtocol: label; Identification: identifiedBy: Sanghyo Park; dateIdentified: 2023; Event: eventDate: 07-08 - 2023; Record Level: language: en; collectionCode: Insects; basisOfRecord: PreservedSpecimen

Description

Body length of male 3.8 mm. General colouration brown, dark form with wings darker at apical half. Vertex relatively short, base is longer than median length by about three times. Frons relatively wide and brown, frons at mid-line longer than wide, of widest part about 1.3: 1. Genae and clypeus also brown. Pronotum and mesonotum tricarinate and brown. Fore-wings generally brown, sometimes darker brown tinges on wings. Abdominal segments dark brown (Figs 1 b , 2 b ).

Male genitalia. Pygofer much longer ventrally than dorsally, laterodorsal angles not produced ventrally, medioventral process three times longer than lateral processes, apically ovoid. Genital stylet moderately long, with basal angles very strongly produced to mediocaudad, in caudal view about half as high as inner angle. Anal segment with spinal process, each developed as a convex triangular lobe. Aedeagus with two branched, one branch narrowing towards the apex, another one wider towards the apex (Figs 3 b , 4 b , Ding 2006).

Measurements. Male macropterous form (n = 3). Body length without tegmina: 2.40 mm; body length with tegmina: 3.84 mm; body width: 0.95 mm; head length: 0.40 mm; head width (including eyes): 0.77 mm; 1 st antennal segment length: 0.08 mm; 2 nd antennal segment length: 0.16 mm; vertex length: 0.16 mm; vertex width: 0.44 mm; frons length: 0.47 mm; frons width: 0.39 mm; pronotum length: 0.23 mm; pronotum width: 0.81 mm; mesonotum length: 0.69 mm; mesonotum width: 0.73 mm.

Distribution

Korea, China (Shaanxi, Gansu, Jiangsu, Anhui, Zhejiang, Jiangxi, Hunan, Hubei, Fujinan, Taiwan, Guangdong, Guangxi, Hainan, Sichuan, Guizhou, Yunnan), Japan, Russia (Primorsky Region), Japan, Sri Lanka ( Ding 2006).

Host plants

Imperata cylindrica (Linn.) Raeusch ( Poaceae ) (in this study), Phyllostachys bambusoides Sieb et Zucc ( Poaceae ) ( Ding 2006).

Figures

Figure 1 b. Epeurysa nawaii, dorsal and lateral view;

Figure 2 b. Epeurysa nawaii, face;

Figure 3 b. Epeurysa nawaii, ventral view;

Figure 4 b. Epeurysa nawaii, lateral view;