subspecies

Trigonidium (Metioche) perpusillum perpusillum Bolívar, 1912

Trigonidium perpusillum Bolívar, 1912: 288.
Syntype; female; 865ca083-8044-4fba-b7ea-eb7fcc2f6eba; deposited at: Natural History Museum, London (NHMUK); Seychelles: Silhouette Island
Metioche perpusilla perpusilla (Bolívar, 1912) in Chopard, 1968: 336.
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Metioche perpusilla (Bolívar, 1912) in Matyot, 1998: 244.
Trigonidium (Metioche) perpusillum Bolívar, 1912 in Gerlach & Haas, 2008: 50.

Bolívar, I. (1912) Orthoptera. Acrydiidae. Phasgonuridae. Gryllidae (of the Seychelles). The Transactions of the Linnean Society of London, 15(2), 263–292. Available at http://www.biodiversitylibrary.org/item/55329#page/303/mode/1up
Chopard, L. (1968) Fam. Gryllidae: Subfam. Mogoplistinae, Myrmecophilinae, Scleropterinae, Cachoplistinae, Pteroplistinae, Pentacentrinae, Phalangopsinae, Trigonidiinae, Eneopterinae; Fam. Oecanthidae, Gryllotalpidae. In Orthopterorum Catalogus. Vol. 12, pp. 213–500.
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Matyot, P. (1998) The orthopteroids of the Seychelles: a threatened island fauna. Journal of Insect Conservation, 2, 235–246. Available at http://link.springer.com/content/pdf/10.1023%2FA%3A1009647930445.pdf
Paris, M. (1994) Catálogo de tipos de ortopteroides (Insecta) de Ignacio Bolivar, I: Blattaria, Mantodea, Phasmoptera y Orthoptera (Stenopelmatoidea, Rhaphidophoroidea, Tettigonioidea, Grylloidea, Tetrigoidea). Eos, Revista española de Entomología, 69, 143–264. [1993] Available at http://digital.csic.es/handle/10261/170427

Gender, form, and etymology

Etymology:

Latin: very small.

	Valid names
Rank	Extant	Fossil	Invalid	Total
subspecies	1	0	3	4