Euseboides matsudai Gressitt, 1938

Huang, Gui-Qiang, Li, Zhu & Chen, Li, 2015, A revision of the genus Euseboides Gahan, 1893 (Coleoptera: Cerambycidae: Lamiinae), with description of two new species, Zootaxa 3964 (2), pp. 151-182 : 153-154

Euseboides matsudai Gressitt, 1938

( Figures 19–39 )

Euseboides matsudai Gressitt, 1938: 163 (type locality: “Horisha, Formosa ”), pl. 1, fig. 2; Gressitt 1940: 138; Gressitt 1951: 448 (key, catalogue); Mizoguchi 1956: 34; Kojima & Hayashi 1969: 144, pl. 45, fig. 25 (male); Hua 1982: 82 (catalogue); Kusama & Takakuwa 1984: 482 (redescription), pl.84, fig. 563 (male & female); Hayashi et al. 1984: 125, pl. 25, fig. 28; Ohbayashi et al. 1992: 613 (redescription); Nakamura et al. 1992: 91 (catalogue); Niisato 1993: 32; Ohbayashi et al. 1994: 273 (catalogue); Hua 2002: 208 (catalogue); Ohbayashi & Niisato 2007: 626 (redescription), pl. 68, fig. 17 (male); Chou 2008: 316, figs (male & female); Hua et al. 2009: 78, pl. LXXVIII, fig. 892 (male); Löbl & Smetana 2010: 223 (catalogue); Lingafelter et al. 2013: 135, fig. 70 (holotype); Nakamura et al. 2014: 153 (catalogue).

Euseboides plagiatus: Kano 1928: 408 (nec Gahan, 1893).

Male terminalia. Tergite VIII ( Figs 26 & 27 ) sparsely covered with thick setae apically, nearly as long as broad, with a deep notch apically. Sternite VIII ( Figs 26 & 27 ) sparsely covered with setae at sides of apex, broader than long, expanded in middle, and truncated apically; spiculum relictum nearly as long as sternite VIII. Spiculum gastrale ( Fig. 28 ) Y-shaped, slender, distinctly longer than sternite VIII.

Aedeagus. Tegmen ( Figs 29–31 ) curved, shorter than penis; parameres sparsely covered with thick setae apically; phallobase nearly 3.0 times as long as parameres, abruptly expanded near apical 1/3 and gradually constricted towards base. Penis ( Figs 32–34 ) curved and thick in profile, gradually constricted towards apex; dorsal struts elongate, nearly 1/2 as long as penis, slightly curved in profile; dorsal plate rounded apically; ventral plate distinctly longer than dorsal plate, rounded apically.

Type specimens examined. Holotype: male ( USNM), L. Gressitt Collection (printed on a rectangular white label in black ink)/ Horisha Formosa (printed on a rectangular pink label in black ink)/ sep, 1930, Y. Matsuda (printed on a rectangular pink label in black ink, “sep” and “0” handwriting in pencil)/ 52195 (handwriting on a rectangular white label in black ink, “52195” means the original catalogue number Gressitt attached to the specimen)/ HOLOTYPE, EUSEBOIDES MATSUDAI , J.L. Gressitt (“ HOLOTYPE ” and “J.L. Gressitt” printed and “ EUSEBOIDES MATSUDAI ” handwriting on a rectangular red label in black ink)/ Type No. 53462, U.S. N.M. (“ Type No.” and “ U.S. N.M.” printed and “53462” handwriting on a rectangular red label in black ink, “53462” means the unique museum catalogue number for specimen)/ E. matsudai Gress. (handwriting on a rectangular white label with black border in pencil)/ Euseboides matsudai Gressitt (handwriting on a rectangular white label in black ink).

Additional specimens examined. 1 male ( SWUC), China: Qingjing, Puli, Nantou, Taiwan, alt. 720–2329m, 20. X. 2012, Shun-Xiang Ren, Xing-Min Wang & Xiao-Sheng Chen leg.; 2 females ( SWUC), China: Aowanda, Puli, Nantou, Taiwan, alt. 1280m, 21. X. 2012, Shun-Xiang Ren, Xing-Min Wang & Xiao-Sheng Chen leg. 1 female ( CJYJ), China: Xinanshan, Taoyuan, Kaohsiung, Taiwan, alt. ca. 1,600 m, 22–30. III. 2012, J. Yamasako leg.; 2 males ( CJYJ), China: Mt. Dahan-shan, Chunrih, Pingtung, Taiwan, alt. ca. 1,500, 11–12. IV. 2012, J. Yamasako leg.; 1 female ( CJYJ), China: Mt. Dahan-shan, Chunrih, Pingtung, Taiwan, 29. VI. 2012, J. Yamasako leg.; 2 males ( CJYJ), China: Pilushi, Renai, Nantou, Taiwan, 11. VII. 2012, J. Yamasako leg.

Host plant. Zanthoxylum ailanthoides (Rutaceae) , Trachelospermum gracilipes var. liukiuense (Apocynaceae) are recorded as hosts ( Ohbayashi & Niisato, 2007).

Adult occurrence: Kusama et al. (1984), Ohbayashi et al. (1992), Ohbayashi & Niisato (2007) reported the adult occurrence was from March to July, Chou (2008) reported the adult occurrence was all year round.

Distribution. China: Taiwan (Kaohsiung, Nantou, Pingtung); Japan: Amami islands (Amami-Oshima, Kikaijima, Okinoerabujima, Tokunoshima), Koshikijima Islands (Shimo-Koshiki-jima), Kuchinoerabu-jima, Kyushu (Kagoshima, Meshima), Okinawa Island, Sakishima Islands (Iriomote-jima, Ishigaki Island), Tanegashima, Tokara Islands (Akusekijima, Nakano-shima, Suwanosejima, Takara-jima), Yakushima.

Comments. Gressitt (1938) received male specimens (holotype and paratopotype) from Mr. Y. Matsuda (Kyoto), and there were additional specimens in the collection of Mr. Y. Matsuda, but Gressitt described this species only based on male specimens. Kusama & Takakuwa (1984) described the differences between males and females, the apex of ventrite V with a narrow notch in males, the apex of ventrite V widely truncate in females. After comparing 3 specimens (1 male and 2 females), the senior author found the shape of the apex of ventrite V is indistinctly different between males and females. More specimens are needed to adequately determine the differences between males and females. There is a holotype photo of E. matsudai in the database “A Photographic Catalog of the Cerambycidae of the World” ( Bezark, 2013).

Figures

FIGURES 19 – 25. Euseboides matsudai. 19. & 20. holotype, male, 19. dorsal view, 20. labels; photos provided by Steven W. Lingafelter. 21 – 25. additional specimen, male, 21. dorsal view; 22. ventral view; 23. lateral view; 24. mandibles and palps; 25. frons. Scale bars A = 5 mm, B = 1 mm.

FIGURES 26 – 28. Euseboides matsudai, male. Terminalia. 26. & 27. tergite VIII and sternite VIII, 26. dorsal view, 27. ventral view, 28. speculum gastrale, ventral view. Scale bars = 1 mm.

FIGURES 29 – 34. Euseboides matsudai, male. Aedeagus, 29 – 31. tegmen: 29. dorsal view, 30. ventral view, 31. lateral view; 32 – 34. penis: 32. dorsal view, 33. ventral view, 34. lateral view. Scale bars = 1 mm.

FIGURES 35 – 39. Euseboides matsudai, female. 35. dorsal view; 36. ventral view; 37. lateral view; 38. mandibles and palps; 39. frons. Scale bars A = 5 mm, B = 1 mm.