Revision of the genus Zeugophora (Coleoptera, Megalopodidae, Zeugophorinae) in Japan Author Takemoto, Takuya text Zootaxa 2019 2019-07-22 4644 1 1 62 journal article 26157 10.11646/zootaxa.4644.1.1 5346f6df-90b2-4493-9377-8c8275519ce6 1175-5326 3345349 02543A03-07E4-4F82-9372-CE85EBC99ABF Zeugophora nigricollis ( Jacoby, 1885 ) sp. rev. [Japanese name: Munaguro-momobuto-hamushi] ( Figs 2 D–F, 8–11) Pedrillia nigricollis Jacoby, 1885: 195 [ type locality: Japan : Wada-tôge], synonymized as Pedrillia bicolor Kraatz, 1879 by Kimoto, 1986a: 309 ; Chûjô, 1932: 340 [ Japan , Korea ]; Jolivet, 1957: 13 [catalogued]. Zeugophora nigricollis : Doi, 1927: 326 . Zeugophora ( Pedrillia ) nigricollis : Crowson, 1946: 95 [ Japan ]; Gressitt & Kimoto, 1961: 24 , 27 [ Korea , Japan ]; Chûjô, 1954: 51 [ Japan ]; Chûjô & Kimoto, 1961: 119 [ Japan , Korea ]; Kimoto, 1964: 108 [ Japan , Korea ]. Zeugophora ( Pedrillia ) bicolor : Kimoto, 1986a: 309 [ Japan , Korea , E. Siberia]; Jolivet, 1957: 12 [listed]; Kimoto &Takizawa, 1994: 6 , 99, 267; An & Kwon, 2002: 272 [redescription, Korea , Japan , China , Russia ]; Silfverberg, 2010: 334 [listed]; Li & Liang, 2018: 133 [ China , Russia , Korea , Japan ]. Zeugophora bicolor : Gressitt, 1945: 139 [listed]; An & Kwon, 1995: 91–92; Takizawa, 2006: 2 [listed]; Rodríguez-Mirón, 2018: 291 [listed]. Description . Measurement. Body length: PEL, male, 3.22–4.51 mm , female, 3.72–4.75 mm . Width: EW, male, 2.09–2.33 mm , female, 1.97–2.54 mm . Biometric data are given in Table 2 . TABLE 2. Biometric data for Zeugophora nigricollis ( Jacoby, 1885 ) .

Male	Female
EL	2.95–3.46(3.25±0.150)20	2.78–3.77(3.42±0.224)20
PL	0.93–1.12(1.04±0.056)20	0.88–1.22(1.07±0.074)20
PEL	3.22–4.51(4.21±0.281)20	3.72–4.75(4.41±0.238)20
EW	2.09–2.33(2.21±0.067)20	1.97–2.54(2.32±0.125)20
PW	1.20–1.41(1.31±0.056)20	1.20–1.48(1.35±0.075)20
PPW	1.06–1.23(1.15±0.049)20	1.01–1.29(1.19±0.073)20
HW	1.01–1.17(1.09±0.038)20	0.96–1.17(1.09±0.049)20

Coloration. Body fulvous. Head black. Apex of mandible black. Antennae black. Pronotum black. Scutellum black. Elytra fulvous. Ventral surface black. Legs black. Habitus. Body ovate. Head ( Fig. 9A ) covered with sparse setiferous punctures; setae produced from inside punctures ( Fig. 10C ); frontoclypeal suture bisinuate, middle portion narrow, about one-third width of clypeus; labrum and clypeus convex and furnished with setae; length of clypeus longer than that of labrum. Canthus large, acutely triangular but apex rounded. Apex of mandible bifurcate and furnished with three teeth apically on inner margin; lateral angles furnished with setae ( Fig. 8D ). Antennae long; segments short, except for first, third, and fourth which are long and slender, and eleventh which is pointed; all segments setous, fifth through eleventh segments with shorter, denser setae ( Fig. 8C ). Pronotum ( Fig. 8A , 9B ) with blunt lateral tubercles, strongly tapered towards base; groove of anterior margin distinctly impressed a narrow distance from margin; posterior marginal groove undulate and complete; lateral basal angles swollen and with two to five long setae near base; surface regularly convex and with reticulate coriaceous microsculpture, densely covered with coarse setiferous punctures ( Fig. 10B ); distance between punctures on central portion 1.5–3 times their own diameter, denser laterally. Setae produced from inside punctures ( Fig. 10B ). Elytra short, leaving apex of pygidium exposed, moderately vaulted in lateral view; lateral sides ovate, widening approaching posterior margin; dorsal surface with reticulate coriaceous microsculpture ( Fig. 10D ), irregularly covered with dense setiferous punctures which are as coarse as on pronotum and separated by 1–3 times their diameter; setae produced just anterior to punctures ( Fig. 10D ); sutural and lateral grooves complete from elytral base to apex; basal areas of elytra weakly convex on either side of suture; humerus strongly protruding anteriorly; epipleuron narrow. Scutellum trapezoidal, with setae. Disc of mesoventrite rugose; process densely furnished with setiferous punctures ( Fig. 8B , 9C ). Mesepisternum furnished with setiferous punctures except on posteroventral margin ( Fig. 8B , 9C ). Surface of metaventrite with reticulate coriaceous microsculpture ( Fig. 10C ), central area covered with setiferous punctures, becoming denser on lateral portions, setae produced from inside punctures ( Fig. 10C ). Surface of sternites with reticulate coriaceous microsculpture, sparsely covered with setiferous punctures. In male, posterior margin of 7th sternite evenly curved ( Fig. 9D ). In female, posterior margin of 7th sternite straight, but bisinuate on central portion ( Fig. 9E ). Legs densely furnished with setae; tibial setae becoming denser and longer apically. Hind femora thickened. Fore tibiae straight; mid tibiae bowed on apical half; hind tibiae weakly bowed and feebly widened near apex; mid and hind tibiae with a sharply defined and finely crenulate carina along external face. Apex of protibia with one spur; apices of meso- and metatibiae with two spurs. Tarsi distinctly shorter than tibiae, and basal three segments gradually widened apically. FIGURE 8. Zeugophora nigricollis ( Jacoby, 1885 ) . A. Pronotum, dorsal view; B. Thorax, ventral view; C. Antenna; D. Mandible, left part. Scales. A–C. 1 mm; D. 100μm. FIGURE 9. Zeugophora nigricollis ( Jacoby, 1885 ) . A. Head; B. Pronotum, dorsal view; C. Thorax, ventral view; D. Male posterior margin of 7th sternite; E. Female posterior margin of 7th sternite. Male genitalia as shown in Fig. 11 A–F: 8th sternite furnished with setae, cylindrical, membrane long, allowing for posterior horizontal extension ( Fig. 11E, F ); spiculum fan-shaped ( Fig. 11D ); median struts of median lobe approximately 2.2 times as long as median lobe ( Fig. 11A ); apex of median lobe pointed and inclined to one side ( Fig. 11B ); paramere not developed ( Fig. 11C ). Spermatheca as shown in Fig. 11G . Host plant . Euonymus sieboldianus Blume [Japanese name: Mayumi]. Remarks . Zeugophora nigricollis is distinguished from Z . bicolor ( Kraatz, 1879 ) by the following characters. Color of pronotum; completely black in Z. nigricollis , posterior half fulvous in Z . bicolor ; ventral coloration; black in Z . nigricollis , thorax and abdomen fulvous in Z.bicolor ; male and female genitalia: shape of median lobe; median lobe is shorter and wider and apex of median lobe is narrower in Z . bicolor than Z . nigricollis ( Fig. 11B, I ); shape of spermatheca; stem is longer in Z . nigricollis than in Z . bicolor ( Fig. 11G, J ). Using the above-mentioned characters, I have decided to restore Z . nigricollis to a valid species from junior synonymy with Z . bicolor . Types . Paratype 1 ex. , sex unknown ( TARI ): " FUKUSHIMA , JAPAN , 28.VII.1881 , Col. G. Lewis ", "Cotype" , " Pedrillia nigricollis JACOBY , DET . M. CHUJO .", " Pedrillia nigricollis Jac, Det. T. Shiraki. ". FIGURE 10. Setiferous punctures of Zeugophora nigricollis ( Jacoby, 1885 ) . A. Head surface; B. Pronotum; C. Metaventrite; D. Elytron. Specimens examined . Japan . [ Hokkaido ] Shiribeshi Dist. : 4 exs. , Otaru , Zenibako , 7.VI.1956 , T. Kumata leg. ( SEHU ); 1 ex. , Otaru, Katsuraoka, 17.V.2001 , K. Takeuchi leg. ( OM ). Nemuro Dist. : 1 ex. , Nakashibetsu, Kenebetsu, 21.VI.1956 , T. Kumata leg. ( SEHU ). Tokachi Dist. : 1 ex. , Lake Nukabira-ko , 24.VI.1986 , T. Endô leg. ( SEHU ). Ishikari Dist. : 1 ex. , Sapporo, Heiwa, 28.V.1995 , K. Ôsaki leg. ( SEHU ). [Honshu] Niigata Pref. : 1 ex. Kurokawa, 10.VIII.1933 , K. Baba leg. ( TARI ); 1 ex. , Myôkô-kôgen. Sennin-ike, 19.VIII.1992 , M. Minami leg. ( MMPC ). Ishikawa Pref. : 1 ex. , Mt. Haku-san , 17.VI.1973 , T. Mikage leg. ( SIPC ). Fukushima Pref. : 1 ex. , Mt. Îde-san , 12–13.VI.1976 , H. Takizawa leg. ( HTPC ); 1 ex. , Higashiurakawa, Samegawa, 10.V.1998 , H. Akiyama leg. ( SEHU ). Gunma Pref. : 2 exs. , Mt. Akagi , 9.VII.1966 , Y. Komiya leg. ( SEHU ); 1 ex. , same data and collector but different date, 9.VII.1966 , ( SEHU ). Tochigi Pref. : 1 ex. , Nikkô, 11–13.VI.1967 , H. Takizawa leg. ( HTPC ); 1ex. , Nasu, Goyôtei, 19–20.V.2005 , H. Takizawa leg. ( HTPC ); 1 ex. , Nikkô, Yumoto, 13.VI.2006 , S. Maehara leg. ( TTPC ). Gunma Pref. : 1 ex. , Takasaki, Harunako, Numanohara, 11.VIII.2013 , H. Suenaga leg. ( HSPC ). Tokyo Pref. : 1 ex. , Mt. Kawanori-yama , 26.VI.1966 , Y. Komiya leg. ( SEHU ); 1 ex. , same data but different date and collector, 28.V.1968 , H. Takizawa leg. ( HTPC ); 1 ex. , Okutama , Mt. Kawanori , 28.V.1986 , H. Takizawa leg. Kanagawa Pref. : 2 exs. , Hakone , 2.V.1981 , H. Takizawa leg. ( HTPC ), 1 ex. , same data but different date and collector, 3.VII.1982 , K. Sakaki leg. ( HTPC ); 1 ex. , Hakone, Sengokuhara, 15.V.1983 , N. Ueno leg. ( MMPC ); 2 exs. , same data but different date and collector, 3.V.1985 , Y. Komiya leg. ( SEHU ); 1 ex. , Hakone, Mt. Daikan-san , 15.VII.2013 , H. Takizawa leg. ( HTPC ); 1 ex. , Hakone, Ôwaku-dani, 26.V.2014 , K. Sakai leg. ( HTPC ). Yamanashi Pref. : 1 ex. , Kiyosato, 10.VIII.1966 , Y. Komiya leg. ( SEHU ); 1 ex. , Daibosatsu-tôge, 25–26.VII.1972 , H. Takizawa leg. ( HTPC ); 1 ex. , Mt. Daibosatsu , 27.VI.1982 , H. Akiyama leg. ( SEHU ); 2 exs. , Daibosatsu, Hikawa Forest road, 19.V.1985 , M. Hasegawa leg. ( MMPC ), 4 exs. , same data but different date and collector, 19.VI.1986 , M. Harada leg.( MMPC ); 2 exs. , Sudama, Masutomi, 16–17.V.1987 , H. Hayakawa leg. ( MMPC ); 1 ex. , Yamanakako, Mt. Ôhira , 4.VI.1988 , M. Minami leg. ( MMPC ); 1 ex. , same data but different date and collector, 6.VI.1988 , Y. Komiya leg. ( SEHU ); 1 ex. , Motosu-Kôgen, 12.VII.1998 , H. Akiyama leg. ( SEHU ). Nagano Pref. : 2 exs. , Matsumoto, Shi- mashima-dani, 10.VIII.1950 , T. Nakane leg. ( SEHU );. 1 ex. , Kamikôchi, 23.VII.1951 , T. Nakane leg. ( SEHU ); 1 ex. , Mt. Asama-yama , 27–28.VII.1962 , K. Morimoto leg. ( KUM ); 1 ex. , Tadeshina, Shirakabakôgen, 11.VII.1967 , K. Emoto leg. ( SIPC ); 1 ex. , Nagawa, Utsukushigahara, 5.VII.1970 , H. Takizawa leg. ( HTPC ); 1 ex. , Mt. Tadeshina , 31.VII.1971 , K. Endô leg. ( SIPC ); 1 ex. , Kirigamine, 1–2.VI.1974 , H. Takizawa leg. ( HTPC ); 2 exs. , Lake Shirakaba-ko , 25.VII.1980 , H. Takizawa leg. ( HTPC ), 1 ex. , same data and collector but different date, 6–7.VI.1987 ( HTPC ); 1 ex. , Wada, Omekura, 22.VII.1997 , S. Tsuyuki leg. ( SEHU ); 1 ex. , Minami-maki, Nobeyama, 26.V.2014 , H. Takizawa leg. ( HTPC ). Shizuoka Pref. : 1 ex. , Mt. fuji, Omotefuji-road, 30.IV.1973 , Y. Kurosawa leg. ( NSMT ), 1 ex. , same data but different date and collector, 19.V.1984 , S. Tsuyuki leg. ( NSMT ); 2 exs. , Mt. Ashitaka-yama , 24–25.V.1975 , Takizawa leg. ( HTPC ); 1 ex. , Higashi-izu, Mt. Hôki , 1.V.1990 , S. Tsuyuki leg. ( HTPC ). Okayama Pref. : 1 ex. , Kamisaibara, Mt. Sangajô , 31.V.1972 , O. Yamaji leg. ( SIPC ); 1 ex. , Kagamino, Doi, 11.VI.2003 , Y. Wtase leg. ( HSPC ); 1 ex. , Maniwa, Mt. Hoshi-yama , 2.V.2004 , S. Watase leg. ( HSPC ); 1 ex. , Maniwa, Hiruzen, Myôren-keikoku, 28.IV.2007 , A. Watanabe leg. ( HSPC ). [Shikoku] Ehime Pref. : 4 exs. , Kuma-kôgen, Saragamine, 8.V.2010 , H. Suenaga leg. ( HSPC ). [Kyushu] Ôita Pref. : 1 ex. , Kuzyû , Mt. Kuro-dake , 13.VII.1996 , S. Ômomo leg. ( HTPC ) . Distribution . Japan : Hokkaido , Honshu, Shikoku, Kyusyu.