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 japonica Chûjô, 1951 [Japanese name: Munaki-momobuto-hamushi] ( Figs 17D, E, F ; 22–25 ) Zeugophora japonica Chûjô, 1951: 119–120 [ type locality: Sapporo, Hokkaido , Japan .]; Jolivet, 1957: 10 [listed]; Chûjô & Kimoto, 1961: 120 [ Japan ]; Takizawa, 2006: 3 [listed]. Zeugophora japanica (sic!): Rodríguez-Mirón, 2018: 293 [listed]. Zeugophora ( Zeugophora ) japonica : Kimoto, 1964: 107–108 [ Japan : Hokkaido ]; Kimoto &Takizawa, 1994: 98 , 267 [ Japan : Hokkaido ]; Silfverberg, 2010: 335 [listed]. Description . Measurement. Holotype ♀ Body length: PL , 0.98 mm ; EL, 2.78 mm ; PEL, 3.56 mm . Width: HW, 1.02 mm , PW , 1.29 mm , PPW, 1.02 mm , EW, 1.84 mm . Body length: PEL, male, 3.43–3.94 mm , female, 3.62–4.03 mm . Width: EW, male, 1.39–1.78 mm , female, 1.63–1.85 mm . Biometric data are given in Table 5 . Coloration. Surface shiny. Body yellowish brown. Head yellowish brown, without navy blue sheen on dorsal surface. Apex of mandible black. Antennae brown, with segments 1-4 fulvous, though third and fourth sometimes darkened. Pronotum yellowish brown. Scutellum completely navy blue or with basal area yellowish brown. Elytra navy blue, sometimes dark green, except latero-apical area of humerus. Ventral surface of head, prosternum, and mesoventrite fulvous, metaventrite and abdomen black. Legs yellowish brown except black hind coxae. Habitus. Body oblong. TABLE 5. Biometric data for Zeugophora japonica Chûjô, 1951 .

Male	Female
EL	2.30–2.66(2.46±0.094)14	2.52–2.86(2.70±0.102)17
PL	0.90–1.03(0.97±0.033)14	0.98–1.07(1.03±0.026)17
PEL	3.43–3.94(3.59±0.122)14	3.56–4.03(3.80±0.114)17
EW	1.39–1.78(1.63±0.085)14	1.63–1.85(1.74±0.064)17
PW	1.11–1.23(1.17±0.039)14	1.22–1.33(1.27±0.028)17
PPW	0.87–0.96(0.92±0.028)14	0.92–1.03(0.98±0.030)17
HW	0.95–1.03(0.99±0.027)14	0.96–1.04(1.01±0.024)17

FIGURE 21. Zeugophora hozumii Chûjô, 1953 . A. Median lobe, lateral view; B. Apex of median lobe, dorsal view; C. Tegmen, dorsal view; D. Spiculum; E. 8th sternite, ventral view; F. 8th sternite dorsal view; G. Spermatheca. Head ( Fig. 23A ) covered with sparse setiferous punctures; setae produced from inside punctures ( Fig. 24A ); 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. Anterior margin of clypeus markedly lined ( Fig. 23A ). Canthus small, obtusely triangular with apex rounded and furnished with a few setiferous punctures. Apex of mandible bifurcate and furnished with one large tooth apically on inner margin; lateral angles furnished with setae ( Fig. 22D ). Antennae weakly clavate; segments short, except for first, third and fourth which are long and slender, eleventh segment pointed; all segments setous, fifth through eleventh with shorter, denser setae ( Fig. 22C ). FIGURE 22. Zeugophora . japonica Chûjô, 1951 . A. Pronotum, dorsal view; B. Thorax, ventral view; C. Antenna; D. Mandible, left part. Scales. A–C. 1 mm; D. 100μm. Pronotum ( Fig. 22A , 23B ) with blunt lateral tubercles, strongly tapered towards base; lateral basal angles weakly swollen; surface regularly convex, sparsely covered with coarse setiferous punctures except longitudinal median portion ( Fig. 22A , 23B ); distance between punctures various, 2–6 times their own diameter, denser on anterior lateral portions. Setae produced from inside punctures ( Fig. 24B ). Elytra long, leaving apex of pygidium exposed, moderately vaulted in lateral view; lateral sides subparallel; densely covered with irregular and setiferous punctures, punctures coarsely separated by 2–3 times their diameter; setae produced from anterior inner margin of puncture, posterior two-thirds of puncture deep ( Fig. 24D ); lateral and sutural grooves complete from elytral base to apex; basal areas of elytra weakly convex on either side of suture; humerus protruding anteriorly; epipleuron narrow. Scutellum trapezoidal, with setae. FIGURE 23. Zeugophora japonica Chûjô, 1951 . A. Head; B. Pronotum, dorsal view; C. Thorax, ventral view; D. Male poste- rior margin of 7th sternite; E. Female posterior margin of 7th sternite. Disc of mesoventrite rugose; process short, furnished with setiferous punctures ( Fig. 22B , 23C ). Mesepisternum furnished with setiferous punctures, except near suture separating it from mesepimeron ( Fig. 22B , 23C ). Surface of metaventrite ( Fig. 24C ) with central area sparsely and lateral area densely covered with setiferous punctures, setae produced anterior to shallow punctures ( Fig. 24C ); posterior margin of mid coxal insertion markedly punctate. Surface of sternites sparsely covered with setiferous punctures. In male, posterior margin of 7th sternite evenly curved ( Fig. 23D ). In female, posterior margin of 7th sternite straight, but bisinuate on central portion ( Fig. 23E ). Legs furnished with setae; tibial setae becoming longer and denser apically. Hind femora thickened. Tibiae straight; mid and hind tibiae with sharply defined and finely crenulate carina along external face. Apex of protibia with one spur; apices of meso- and metatibiae with two spurs. Tarsus distinctly shorter than tibia, and basal three segments gradually widened apically. FIGURE 24. Setiferous punctures of Zeugophora japonica Chûjô, 1951 . A. Head surface; B. Pronotum; C. Metaventrite; D. Elytron. Male genitalia as shown in Fig. 25 A–F: 8th sternite furnished with setiferous punctures, short, oblique anteriorly, membrane and sclerotized portion narrow ventrally, allowing for downward extension ( Fig. 25E, F ); apex of spiculum three branched, central branch furnished with tiny setae ( Fig. 25D ); median struts of median lobe approximately 1.2 times as long as median lobe ( Fig. 25A ); apex of median lobe pointed and curved upward ( Fig. 25B ), lateral side flattened ( Fig. 25A ); paramere well developed ( Fig. 25C ). Spermatheca as shown in Fig. 25G . Host plant . Populus suaveolens Fisch [Japanese name: Doronoki] ( Takizawa, 2006 ). Remarks . Zeugophora japonica is easily distinguished from other Japanese species by the above-mentioned body coloration and genitalia shape. Types . Holotype ( ELKU ) ♀ : "Sapporo, Date 12.VII.1936 , Coll. Y. Nishijima ", " Holotype ", " Zeugophora ja- ponica Chûjô, Det. M. Chûjô , 1949". Specimens examined . Japan . [ Hokkaido ] Sorachi Dist. : 1 ex. , Ashibetsu , Ashibetsu river , 2. VI .2019 , T. Takemoto leg., ( TTPC ) . Okhotsk Dist. : 2 exs. , Kitami , 28.V.1991 , T. Katô leg. ( HTPC ) . Ishikari Dist. : 2 exs. , Sapporo , Misumai , Sirakawa , 27.V.2006 , H. Takizawa leg. ( HTPC ) ; 1 ex. , Sapporo , Shirakawa , 18.V.2012 , H. Suenaga leg. ( MMPC ) ; 7 exs. , Sapporo , Makomanai Park , 17.V.2017 , T. Takemoto leg. ( TTPC ) , 18 exs. , same data but different date, 22.V.2018 , T. Takemoto leg. ( TTPC ) . Distribution . Japan : Hokkaido .