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Taxonomic review of New World Tachyina (Coleoptera, Carabidae): descriptions of new genera, subgenera, and species, with an updated key to the subtribe in the Americas.

ABSTRACT: The classification of the carabid subtribe Tachyina (Trechitae: Bembidiini) is reviewed in light of newly discovered diversity from Central and South America. Described herein are three new genera (Tachyxystagen. n., Stigmatachysgen. n., Nothoderisgen. n.), two new subgenera of Meotachys (Scolistichussubgen. n., Hylotachyssubgen. n.), and two new subgenera of Elaphropus (Ammotachyssubgen. n., Idiotachyssubgen. n.). Two names previously synonymized under Polyderis (Polyderidius Jeannel, 1962) and Elaphropus (Nototachys Alluaud, 1930) are elevated to generic and subgeneric status, respectively. Eight new species are recognized: Tachyxysta howdenorum (type locality: México: Chiapas: El Aguacero, 680m); Elaphropus marchantarius (type locality: Brazil, Amazonas, Rio Solimões, Ilha de Marchantaria), Elaphropus acutifrons (type locality: Brazil: Pará, Santarém) and Elaphropus occidentalis (type locality: Perú: Loreto, Pithecia, 74°45'W 05°28'S); Stigmatachys uvea (type locality: Perú: Loreto: Campamento San Jacinto, 2°18.75'S, 75°51.77'W, 175-215m); and Meotachys riparius (type locality: Colombia: Amazonas: Leticia, 700 ft), Meotachys ballorum (type locality: Brazil: Amazonas, Rio Negro Cucui), and Meotachys rubrum (type locality: Perú: Madre de Dios: Rio Manu, Pakitza, 11°56°47'S 071°17°00'W, 356m). An updated key to the genera and subgenera of Tachyina occurring in the New World is provided, with accompanying illustrations.

SUBMITTER: Boyd OF

PROVIDER: S-EPMC5096373 | biostudies-literature | 2016

REPOSITORIES: biostudies-literature

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Taxonomic review of New World Tachyina (Coleoptera, Carabidae): descriptions of new genera, subgenera, and species, with an updated key to the subtribe in the Americas.

Boyd Olivia F OF Erwin Terry L TL

ZooKeys 20161020 626

The classification of the carabid subtribe Tachyina (Trechitae: Bembidiini) is reviewed in light of newly discovered diversity from Central and South America. Described herein are three new genera (Tachyxystagen. n., Stigmatachysgen. n., Nothoderisgen. n.), two new subgenera of Meotachys (Scolistichussubgen. n., Hylotachyssubgen. n.), and two new subgenera of Elaphropus (Ammotachyssubgen. n., Idi ...[more]

PMID: 27833435

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Project description:Ten genera of Physoderina from the Oriental Region are diagnosed and described, and twenty six species representing eight genera (Paraphaea Bates, Anchista Nietner, Metallanchista gen. n., Diamella nom. n., Allocota Motschulsky, Orionella Jedli?ka, Endynomena Chaudoir and Dasiosoma Britton (Oriental species only)) are revised. Keys to genera and species are provided, along with distribution maps, habitus images, photographs of the name-bearing types, and illustrations of male and female genitalia of available species. The female internal reproductive system is illustrated for fourteen species. Two genera, Anchista and Taicona, previously placed in Calleidina, are moved into Physoderina. One new genus is described: Metallanchista, gen. n. (type species Metallanchista laticollis, sp. n.). Two new generic synonyms are proposed: Taicona Bates, 1873, junior synonym of Allocota Motschulsky, 1859; Teradaia Habu, 1979a, junior synonym of Dasiosoma Britton, 1937. A new generic replacement name is proposed: Diamella, nom. n. for Diamella Jedli?ka, 1952 (junior homonym of Diamella Gude, 1913). The status of Paraphaea Bates, 1873 is resurrected from synonym of Anchista Nietner, 1856. Five new species are described: Paraphaea minor Shi & Liang, sp. n. (Hoa-Binh, Tonkin, Vietnam), Anchista pilosa Shi & Liang, sp. n. (Chikkangalur, Bangalore, India), Metallanchista laticollis Shi & Liang, sp. n. (PhaTo env., Chumphon prov., Thailand), Allocota bicolor Shi & Liang, sp. n. (Dengga to Mafengshan, Ruili, Yunnan, China), Dasiosoma quadraticolle Shi & Liang, sp. n. (Menglun Botanical Garden, Yunnan, China). Fourteen new combinations are proposed: Paraphaea binotata (Dejean, 1825), comb. n. from Anchista; Paraphaea formosana (Jedli?ka, 1946), comb. n. from Anchista; Paraphaea philippinensis (Jedli?ka, 1935b), comb. n. from Allocota; Metallanchista perlaeta (Kirschenhofer, 1994), comb. n. from Allocota; Physodera andrewesi (Jedli?ka, 1934), comb. n. from Allocota; Diamella cupreomicans (Oberthür, 1883), comb. n. from Physodera; Diamella arrowi (Jedli?ka, 1935a), comb. n. from Allocota; Allocota aurata (Bates, 1873), comb. n. from Taicona; Dasiosoma bellum (Habu, 1979a), comb. n. from Teradaia; Dasiosoma indicum (Kirschenhofer, 2011), comb. n. from Diamella; Dasiosoma maindroni (Tian & Deuve, 2001), comb. n. from Lachnoderma; Dasiosoma hirsutum (Bates, 1873), comb. n. from Lachnoderma; Orionella discoidalis (Bates, 1892), comb. n. from Anchista; Orionella kathmanduensis (Kirschenhofer, 1994), comb. n. from Lachnoderma. Five names are newly placed as junior synonyms: Paraphaea eurydera (Chaudoir, 1877), junior synonym of Paraphaea binotata (Dejean, 1825); Anchista glabra Chaudoir, 1877, and Anchista nepalensis Kirschenhofer, 1994, junior synonyms of Anchista fenestrata (Schmidt-Göbel, 1846); Allocota caerulea Andrewes, 1933, junior synonym of Allocota viridipennis Motschulsky, 1859; Allocota perroti (Jedli?ka, 1963), junior synonym of Allocota aurata (Bates, 1873). One new replacement name is proposed: Dasiosoma basilewskyi, nom. n. for Dasiosoma hirsutum Basilewsky, 1949 (secondary junior homonym of Dasiosoma hirsutum (Bates, 1892)). One species is downgraded to subspecies rank: Anchista fenestrata subpubescens Chaudoir, 1877, new rank.

Project description:A taxonomic review of the known Taiwanese taxa of the pericaline Lebiini, this paper includes a key to the genera, keys to species, descriptions, and redescriptions of all species, illustrations, geographic range maps, re-rankings, and new synonymies. In total 34 species are treated, nine of which are described as new. A new genus and new species are as follows: Bellavalentis gen. n., (type species Dolichoctiskuzugamii Shibata, 1967); Amphimenesabsensacidus sp. n.; Amphimenesbeichatiensis sp. n.; Amphimenescarinacaulis sp. n.; Catascopus(s. str.)asahartisp. n.; Catascopus(s. str.)viridiorchissp. n.; Coptodera (Coptoderina) occultasp. n.; Dolichoctisbadiadorsis sp. n.; Dolichoctisdilatata sp. n.; Moctherusobscurabasis sp. n. After close examination of the type material of several species, we were able to determine that Coptoderinachaudoirianguilipennis (Nakane and Okhura) is a junior synonym of Coptodera (Coptoderina) chaudoiri Andrewes, syn. n. and Coptoderanobilis Jedli?ka is also a junior synonym of C.chaudoiri, syn. n. Dolichoctisstriatusformosanus Habu is a junior synonym of Dolichoctisrotundata (Schmidt-Goebel), syn. n.Dolichoctis (Mochtherus) uenoi Habu is a junior synonym of Mochtherusluctuosus Putzeys, syn. n. Pericalusformosanus Dupuis was recently ranked as a subspecies of Pericalusornatusformosanus Dupuis. After consideration of the several consistent taxonomic characteristics and also considering its allopatric distribution with all other species of Pericalus, we believe Pericalusformosanus Dupuis to be a valid species, stat. resurr. The monobasic genus Pseudomenarus (type species Pseudomenarusflavomaculatus Shibata, 1964) is established as conspecific with members of the genus Formosiella Jedli?ka, 1951, comb. n. Species previously recorded from Taiwan that are not present here include: Amphimenespiceolus Bates; Catascopusaequatus Dejean; Catascopusfacialis (Wiedemann) Coptoderainterrupta Schmidt-Goebel Coptoderaflexuosa Schmidt-Goebel and Peripristusater (Laporte). The pericaline taxa of Taiwan are arranged in 14 genera, five subgenera, and 34 currently known species. Notes on collecting circumstances, habits, and habitat are included when known.

Project description:Primarily a taxonomic review of the West Indian elements of the selenophorine Harpalini, this paper includes a classification, a key, descriptions and illustrations of taxa, re-rankings, and new synonymies. In total, 45 species and subspecies are treated, six of which are described as new. A new genus and new species are as follows, with type localities in parentheses: Paraulacoryssusgen. n., (type species Selenophorus puertoricensis Mutchler, 1934); Neodiachipteryx davidsonisp. n., (Zamba, Dominican Republic); Selenophorus spinosussp. n., seriatoporus species group (Benjamin Constant, state of Amazonas, Brazil); Selenophorus obtusoidessp. n., parumpunctatus species group (near Soroa, Pinar del Rio Province, Cuba); Selenophorus ivieisp. n., nonseriatus species group (Big River, Montserrat, 16°45.719N', 62°11.335W'); Selenophorus irecsp. n., nonseriatus species group (Vernou, Guadeloupe, Lesser Antilles); and Selenophorus fabriciisp. n., opalinus species group (Cabo Rojo, Pedernales Province, Dominican Republic). This last species was misidentified as Selenophorus integer (Fabricius). In turn, that species was misidentified as Selenophorus chalybeus Dejean. Selenophorus chalybeus Dejean is a junior synonym of Selenophorus integer Fabricius, syn. n.; and Isopleurus macleayi Kirby is a junior synonym of Selenophorus pyritosus Dejean, syn. n. Biogeographically, log of land area plotted against log of number of species shows that the equilibrium theory of biogeography applies to the West Indian selenophorine fauna. Taxonomically, the selenophorine taxa of the West Indies are arranged in eight genera. The 30 species/subspecies of Selenophorus (sensu stricto) are arranged in 10 species groups. Geographically, the major sources of the selenophorines are the Bahamas, the Greater Antilles and Lesser Antilles. The West Indian islands probably have been invaded by 26 taxa. Of the currently extant taxa, 11 are classified as immigrant, meaning that they are represented both in the islands and on the mainland (South America or Middle America and southern Florida). Thirty three taxa are classified as precinctive, meaning that they originated where they are now living, the implication being that they have descended from immigrants, thus older in the islands than the current-day immigrants. It is postulated that the West Indian taxa represent three age groups: oldest, ancestors having reached the proto-Antilles by a landspan known as GAARlandia; a middle-age group (Neogene period), their ancestors having reached the islands by dispersal over water, between islands; and a young group of extant taxa, no older than the Pleistocene, also having reached the islands over water.

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Dataset Information

Taxonomic review of New World Tachyina (Coleoptera, Carabidae): descriptions of new genera, subgenera, and species, with an updated key to the subtribe in the Americas.

Publications

Taxonomic review of New World Tachyina (Coleoptera, Carabidae): descriptions of new genera, subgenera, and species, with an updated key to the subtribe in the Americas.

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