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      Two new species of the Pterostichus macrogenys species group (Coleoptera, Carabidae) discovered in shallow subterranean habitats in northern Honshu, Japan

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      Subterranean Biology

      Pensoft Publishers

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          Abstract

          Shallow subterranean environments have recently received attention as a habitat for Carabidae beetles, and many new species have been discovered using collection techniques devised for this habitat. We report the discovery of two new species of the macrogenys species group of the Pterostichus subgenus Nialoe Tanaka, 1958, collected by subterranean baited traps in northern Honshu, Japan. Pterostichus shinbodakensis Sasakawa & Itô, sp. n. is described from Mt. Shinbodake, Niigata Prefecture, and P. tateishiyamanus Sasakawa & Itô, sp. n. is described from the southeastern foot of Mt. Tateishiyama, Fukushima Prefecture. Comparative male genital morphology shows that among the known species, the two new species are most closely related to P. falcispinus Sasakawa, 2005 and P. chokaisanus Sasakawa, 2009, respectively. In addition, sympatric occurrence of P. shinbodakensis with a smaller, unidentified species of the species group was also confirmed. The implications of these results for future studies of the macrogenys species group, as well as those of Nialoe, are discussed.

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          A new record sperm bundle morphology and preliminary data on the breeding type of the ground beetleJujiroa estriataSasakawa (Coleoptera Carabidae Platynini)

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            Notes on two species of the subgenusLyrothoraxChaudoir (Coleoptera Carabidae genusPterostichus) Pterostichus amagisanusTanaka and Ishida andPterostichus fujitaiTanaka and Ishida

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              Author and article information

              Journal
              Subterranean Biology
              SB
              Pensoft Publishers
              1314-2615
              1768-1448
              January 24 2017
              January 24 2017
              : 21
              : 47-56
              Article
              10.3897/subtbiol.21.11155
              © 2017

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