Euproctis fulvatus Kim, Choi and Kim, 2019

Kim, Nang-Hee, Choi, Sei-Woong & Kim, Sung-Soo, 2019, One new species and one new record of lymantriine moths (Lepidoptera: Erebidae: Lymantriinae) in Korea, Journal of Species Research 8 (3), pp. 288-293 : 290-291

Euproctis fulvatus Kim, Choi and Kim sp. nov

ƦŖḤṣ나® (ljḍ) ( Figs. 1B , 2C- E , 3 )

Type. Holotype. male, Ssangyoung-ri, Hanbando-myeon, GW: Yeongwol, 3.IX.2005. SS Kim. Paratypes. 1♂, Chuncheon-si, GW: Chuncheon , 3.VIII.1998. SS Kim ; 1♂ Huindol-ro, Byeonggok-myeon, GB: Yeongdeok, N36°36 ʹ 24 ʺ, E129°24 ʹ 49 ʺ 14 m, 3. VI.2015. SS Kim; 1♂, Daedae-ri, Yueo-myon, GN: Changnyeong, N35° 33 ʹ 07 ʺ, E128°24 ʹ 53 ʺ 5 m, 29.VIII.2009. SS Kim; 1♂, Daedae-ri, Yueo-myon, GN: Changnyeong, N35°33 ʹ 07 ʺ, E128°24 ʹ 53 ʺ 5 m, 29.VIII.2009. SS Kim; 1♂, Sinseongri, Seongnae-myeon, JB: Gochang, N35°32 ʹ 55 ʺ, E126° 43 ʹ 10 ʺ 12 m, 17. VI.2016. SS Kim; 1$, Guseong-ri, Sanimyeon, JN: Haenam, N34°41 ʹ 27.43 ʺ E126°24 ʹ 29.96 ʺ, 12 m, 25.VIII.2016. SW Choi; 2♂ 1$, Guseong-ri , Sani-myeon, JN: Haenam, N34°41 ʹ 27.43 ʺ E126°24 ʹ 29.96 ʺ, 3 m, ex. Larvae 20.IV.2017, ex pupa 8-9. VI.2017. NH Kim .

Diagnosis. Distinguished by the yellowish wing color with a medially curved central forewing fascia. Dimorphic size (wingspan male 19-25 mm, female 33 mm). Head covered with yellow scales; antenna bipectinate with long pectinations in male and short pectinations in Biological Resources (NIBR, (NIBR 201801201), fund- ed by the Ministry of Environment (MOE) of the Republic of Korea.

female; frons broad and yellowish; labial palpi porrect, short and approximately equal to the eye diameter. Forewing dark yellowish; central fascia ochreous, slender, bar-shaped, medially curved. Hindwing yellowish white and termen dark yellowish. Abdomen dark yellow. Male genitalia ( Fig. 2D, E ): Uncus bifid, digitate, apically with a short triangular process; saccus V-shaped; valva simple, square, distally strongly invaginated; aedeagus stout, anterior broad; one long sclerotized cornutus present. Female genitalia ( Fig. 2C ) Papillae anales broad; ductus dursae long, medially twisted, posteriorly strongly sclerotized with simple antrum; corpus bursae ovate without signum. Larvae ( Fig. 3 ). Distinguished by a black head with a pair of long, black, lateral tufts, dorsum with 10- 11 white intersegmental dots and bright red setal warts on T2-A8, and bright red glands on A6 and A7. Larva to 3 cm.

Biology. This species feeds on Vicia angustifolia var. segetilis (L.) Schreb. (1835) ( Fabales ). Three larvae on Vicia were collected on April 20 and 21, 2018, molted twice (April 28 and May 6), pupated May 19 and eclosed June 8 and 9. The species is bivoltine, flying in June and Au- gust- September in Korea .

Distribution. Korea.

Remarks. This new species is similar to Euproctis wilemani Collenette , but can be distinguished by the shape of male genitalia ( Fig. 2F ). The DNA sequence of E. fulvatus (Appendix 1) is similar to that of E. pyraustis Meyrick (GenBank accession number: KP081919), but the nucleotide sequence of E. pyraustis has a 9.6% sequence divergence from E. fulvatus .

Figures

Fig. 1. Adults of two new Lymantriine species from Korea. Scale bar=10 mm.A. Arna bipunctapex(Hampson), B. Euproctis fulvatus sp. nov.

Fig. 2. Male and female genitalia of four Lymantriine species from Korea. A-C. Female genitalia, D-F. Male genitalia. A. Arna bipunctapex (Hampson), B. Arna pseudoconspersa (Strand), C-E. Euproctis fulvatus Choi and Kim sp. n. F. Euproctis wilemani Collenette (from Wang et al., 2010).

Fig. 3. Last instar of Euproctis fulvatus sp. nov.