Goryphus albofasciatus erabu, Watanabe, 2025

Goryphus albofasciatus erabu subsp. nov.

( Figs. 64A, B, D–F, H, I, 65A–D, 80F)

Type series. Holotype: JAPAN, [Okinoerabujima Is.] KPM-NK 103202 , F, Kagoshima Pref., China Town, Ashikiyora, Mt. Oyama , 25. IV. 2016, K. Watanabe leg. Paratype: JAPAN: [Okinoerabujima Is.] KPM-NK 91360 , F, Kagoshima Pref., China Town, Oyama , 28. VI. 2001, T. Nambu leg. ( YPT) ; MNHAH, 1F, Kagoshima Pref., Okinoerabu , 19. III. 1970, H. Takizawa leg. ; KPM-NK 103203 , M, Kagoshima Pref., China Town, Tamina, Mt. Oyama , 26. IV. 2016, K. Watanabe leg.

Description. This subspecies has no morphological difference from Go. albofasciatus albofasciatus , while their body colorations are clearly differed, i.e., fore wing with a broad, conspicuous clouded band in Go. a. erabu ( Figs. 64A, B, F, 65A, D) (without a band in Go. a. albofasciatus as in Figs. 64G, 65E), T I entirely black in female of Go. a. erabu ( Figs. 64A, B, I) (with a broad white posterior band in female of Go. a. albofasciatus as in Figs. 64C, J), posterior white band of T II narrow and partly indistinct in female of Go. a. erabu ( Figs. 64A, B, I) (with a broad white posterior band in female of Go. a. albofasciatus as in Figs. 64C, J), and the ivory markings of T I and T II narrow and divided into a pair of small lateral spots, respectively, in male of Go. a. erabu ( Figs. 65A, B) (T I and T II each with broad white posterior band in male of Go. a. albofasciatus as Fig. 65F).

Distribution. Japan (Okinoerabujima Is.).

Etymology. The subspecific name is from the local name of Okinoerabujima Island, “Erabu”.

Remarks. This subspecies is endemic in Okinoerabujima Island.