Parastasia oberthueri ishigakiana Nomura, 1964

Zhao, Ming-Zhi, 2019, Notes on the genus Parastasia Westwood (Coleoptera: Scarabaeidae: Rutelinae) from China, with description of a new species, Zootaxa 4613 (2), pp. 240-250 : 247

Parastasia oberthueri ishigakiana Nomura, 1964

( Figs. 30–32, 36–37 )

Parastasia oberthueri ishigakiana Nomura, 1964: 55 [description, figured]; Nomura & Kobayashi 1974: 6 [description of the male, parameres figured]; Kobayashi 1983: 15 [redescription, erroneously under sakishimana, figured]; Kuijten 1992: 128 [redescription]; Yu et al. 1998: 110 [redescription, figured, subspecific unassigned]; Fujioka 2001: 94 [catalogued]; Zorn 2006: 277 [catalogued]; Sakai & Fujioka 2007: 24 [redescription, figured]; Zorn & Bezděk 2016: 357 [catalogued].

Material examined (1♂, 1♀). 1♂, 1♀ ( CCCC), CHINA: Taiwan , Pingtung, Shih-tzu, Li-lung-shan, 550m, larvae collected by Yi-Ting Chung on 2017. II.02, emerged on 2017. V.20.

Remarks. P. oberthueri ishigakiana can be distinguished from nominotypical subspecies by the pronotum color of female and aedeagal characters of male ( Nomura & Kobayashi 1974). Kobayashi (1983) firstly recorded a male specimen from Taiwan, which was subsequently accepted by Fujioka (2001). However, the specimens of both sexes reported from Taiwan by Yu et al. (1998) were not assigned to a subspecies. As they stated, females from Taiwan possess a black pronotum, normally with four orange spots. Two orange apical spots present on pronotum of the examined female ( Fig. 32 ). The aedeagus ( Figs. 36, 37 ) of the examined male ( Figs. 30, 31 ) is identical to the figures showed by Nomura & Kobayashi (1974). I agree to consider the population from Taiwan as belonging to the subspecies ishigakiana since both sexes had their characters fit descriptions and illustrations of Japanese specimens ( Nomura 1964; Nomura & Kobayashi 1974; Sakai & Fujioka 2007).

Distribution. China: Taiwan; Japan.

Figures

FIGURES 27–39. Habitus and aedeagus of Parastasia spp. 27–28, 34–35, male of P. oberthueri oberthueri (China: Guangxi); 29, female of P. oberthueri oberthueri (China: Guangxi); 30–31, 36–37, male of P. oberthueri ishigakiana (China: Taiwan); 32, female of P. oberthueri ishigakiana (China: Taiwan); 33, 38–39, P. alternata (China: Tibet); 27, 29–30, 32–33, habitus in dorsal view; 28, 31, habitus in ventral view; 34, 36, 38, aedeagus in dorsal view; 35, 37, 39, aedeagus in lateral view.