Optioservus, Taxa Only, Exact Match: 9 Treatments

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Coleoptera   new species  Nomura, Shizumu, 1958, Notes on the Japanese Dryopoidea (Coleoptera), with two species from Saghalien, Tôhô-Gakuhô 8, pp. 1-15 : 9 9
Coleoptera   new species  Nomura, Shizumu, 1958, Notes on the Japanese Dryopoidea (Coleoptera), with two species from Saghalien, Tôhô-Gakuhô 8, pp. 1-15 : 6 6
Coleoptera   new species  Nomura, Shizumu, 1958, Notes on the Japanese Dryopoidea (Coleoptera), with two species from Saghalien, Tôhô-Gakuhô 8, pp. 1-15 : 10 10
Coleoptera   new species  Nomura, Shizumu, 1958, Notes on the Japanese Dryopoidea (Coleoptera), with two species from Saghalien, Tôhô-Gakuhô 8, pp. 1-15 : 11 11
Coleoptera   new species  Nomura, Shizumu, 1958, Notes on the Japanese Dryopoidea (Coleoptera), with two species from Saghalien, Tôhô-Gakuhô 8, pp. 1-15 : 9 9
Coleoptera   new species  Nomura, Shizumu, 1958, Notes on the Japanese Dryopoidea (Coleoptera), with two species from Saghalien, Tôhô-Gakuhô 8, pp. 1-15 : 7 7
Coleoptera   new species  Nomura, Shizumu, 1958, Notes on the Japanese Dryopoidea (Coleoptera), with two species from Saghalien, Tôhô-Gakuhô 8, pp. 1-15 : 12 12
Coleoptera   new species  Nomura, Shizumu, 1958, Notes on the Japanese Dryopoidea (Coleoptera), with two species from Saghalien, Tôhô-Gakuhô 8, pp. 1-15 : 8 8
Coleoptera   new species  Nomura, Shizumu, 1958, Notes on the Japanese Dryopoidea (Coleoptera), with two species from Saghalien, Tôhô-Gakuhô 8, pp. 1-15 : 12 12