<国立科博専報>早池峰山および宮古付近に産する若干の甲虫類について
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This paper contains records and notes of some remarkable species of beetles collected at Mt. Hayachine in the Kitakami Mountain Range and in Miyako City on the eastern coast of the Rikuchu district. Brief descriptions of a few new forms are also included. (Carabidae) 1. Calosoma inquisitor cyanescens MOTSCHULSKY Miyako 2. Carabus (Limnocarabus) clathratus maacki MORAWITZ Miyako 3. Carabus (Asthenocarabus) opaculus shirahatai NAKANE Mt. Hayachine (Harpalidae) 4. Trechiama oreas (BATES) Mt. Hayachine 5. Pacrobus (Apatrobus) hayachinensis NAKANE, sp. nov. Holotype : ♂, Mt. Hayachine, Iwate Pref., N.E. Honshu, Japan, 7. VIII, 1964 (M. NAKAYA). Body length : 8mm. Black or blackish brown species, with reddish appendages and underside of hind body. Closely related to P. (A.) echigonus HABU et BABA from Niigata Prefecture, but differs from the latter in having the following features : microsculpture of elytra isodiametric and distinctly impressed; apex of median lobe of the male genitalia markedly bent downwards; 3rd interval of elytra bearing 3 pores adjoining to the 3rd stria, and marginal pores 7 or 8 in number; and temporae of head oblique and very slightly tumid. 6. Plerostichus (Bothriopterus) thunbergi michinoku NAKANE, susp. nov. Holotype : ♂, Kadoma, Mt. Hayachine, Iwate Pref., N.E. Honshu, Japan, 6. VII. 1967,T. NAKANE leg. Body length : 11mm. At a glance the present subspecies resembles P. subovatus MOTSCHULSKY or P. yoritomus BATES in size and shape, but its upper surface has no metallic lustre and its pronotum lacks in the longitudinal fold just inside the hind angles. As compared with the typical specimens of P. thunbergi, this race is relatively smaller and less robust, and different in having the distinctly cordate prothorax and the more voal-shaped elytra with more sloped shoulders. Hind angles of pronotum are distinctly angulate. 7. Cymindis (Tarulus) subarcticus KANO Mt. Hayachine The pronotum of our single example (♀) has sharply projected hind angles as in the nominate race. (Ptilodactylidae) 8. Epilichas flabellatus (KIESENWETTER) Miyako The specimens obtained are coloured as the typical form, but relatively smaller and their abdomen is blackish. 9. Epilichas brunneicornis usori NAKANE Mt. Hayachine (Lycidae) 10. Lyponia delicatula (KIESENWETTER) Miyako 11. Cautires nakanei (J. WINKLER) Miyako This species is characterized by having long and slender median lobe of the male genitalia. C. geometricus (KIESENWETTER) and C. incompositus (OHBAYASHI) also occur in Miyako. (Nitidulidae) 12. Meligethes praetermissus EASTON Mt. Hayachine This is the first record from Honshu. (Cryptophagidae) 13. Serratomaria tarsalis NAKANE et HISAMATSU Mt. Hayachine (Alleculidae) 14. Cteniopinus hypocrita (MARSEUL) Miyako (Melandryidae) 15. Phloeotrya rufoventris NOMURA Mt. Hayachine (Cerambycidae) 16. Toxotinus reinii (HEYDEN) Mt. Hayachine A melanistic example (♀) was obtained at Mt. Hayachine (Type, Kadoma, 5. VII. 1967,T. NAKANE leg.). The antennae and legs as well as the body black, with the exception of labrum, maxilla, labium, tibial spurs and claws reddish brown : ab. iwatensis NAKANE nov. (Chrysomelidae) 17. Basilepta balyi yezo NAKANE Mt. Hayachine One of the examples collected is black, as ab. japonicum JACOBY. (Anthribidae) 18. Euparius oculatus (SHARP) Miyako a few specimens of var. niger (NAKANE et UNO) were found on a Polystictus fungus accompanied with those of the typical form.
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