Sandinista lanceolatum

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Sandinista lanceolatum
Scientific classification Red Pencil Icon.png
Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Chelicerata
Class: Arachnida
Order: Araneae
Infraorder: Mygalomorphae
Family: Theraphosidae
Genus: Sandinista
Longhorn & Gabriel, 2019 [1]
Species:
S. lanceolatum
Binomial name
Sandinista lanceolatum
Valerio, 1980 [1]
Synonyms [1]
  • Eurypelma lanceolatumSimon, 1891
  • Brachypelma fossoriaValerio, 1980
  • Brachypelma fossorium(Valerio, 1980)
  • Aphonopelma lanceolatum(Simon, 1891)
  • Stichoplastoris fossorius(Valerio, 1980)

Sandinista lanceolatum (synonyms include Aphonopelma lanceolatum and Brachypelma fossorium) is a species of spider in the family Theraphosidae (tarantulas), native to Nicaragua and Costa Rica.

Contents

Description

Sandinista lanceolatum is a relatively small spider compared to many other Central America tarantulas. For a pair of Costa Rican specimens, the author Carlos Valerio described a few select attributes such as cephalothorax less than 18 mm long: being 14 mm in his holotype male and 16 mm in the paratype female. Valerio also indicated that the fourth leg is the longest: 43 mm in the holotype male and 54 mm in the paratype female. The body and legs are covered with reddish brown hairs (setae). The "brush" of hairs (scopula) on the metatarsus of the fourth leg is short, limited to the distal third. The male's palpal bulb is less than 4 mm long; the spermatheca of the female is of slightly less width. Females have larger chelicerae than males. [2] Such attributes are generally not considered as useful subsequent works, for example with males since shown to be highly variable, i.e. see Longhorn and Gabriel 2019.

Taxonomy

The taxonomic history of this species is somewhat tangled. As now understood, it was first described by Eugène Simon in 1891 as Eurypelma lanceolatum. Under this name it was transferred to the genus Aphonopelma as Aphonopelma lanceolatum in 1993. Separately, in 1980, Carlos Valerio described a species as Brachypelma fossoria, with the specific name referring to the "fossorial" or burrowing habits of the species. [2] The specific name was amended to fossorium by Günter Schmidt in 1992, [3] as Brachypelma is neuter in gender. In 2019, Stuart Longhorn and Ray Gabriel synonymized Brachypelma fossoria with Aphonopelma lanceolatum, and transferred the species to the new genus Sandinista. In 2020, Jorge Mendoza and Oscar Francke transferred Brachypelma fossoria to the genus Stichoplastoris, without recognizing the synonymy with Sandinista lanceolatum. As of March 2020, the World Spider Catalog uses the name Sandinista lanceolatum. [1]

Distribution and habitat

Sandinista lanceolatum is found in the Guanacaste Province in Costa Rica in the north-west Pacific lowlands, and several Departments of Nicaragua in similar Western lowlands. It is found in grasslands in dry tropical areas. The female described by Valerio was collected from a horizontal burrow which it shared with several juveniles. The relatively large chelicerae of the females may be connected to their burrowing habit. [2]

Conservation

All species of Brachypelma, then including Sandinista lanceolatum as B. fossorium, were placed on CITES Appendix II in 1994, thus restricting trade. [4]

Related Research Articles

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<i>Sericopelma</i>

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References

  1. 1 2 3 4 "Taxon details Sandinista lanceolatum Valerio, 1980", World Spider Catalog, Natural History Museum Bern, retrieved 2020-03-01
  2. 1 2 3 Valerio, C.E. (1980), "Arañas terafosidas de Costa Rica (Araneae, Theraphosidae). I. Sericopelma y Brachypelma", Brenesia (in Spanish), 18: 259–288
  3. ↑ Schmidt, G. (1992), "Brachypelma Simon 1890 oder Euathlus Ausserer 1875? (Araneida: Theraphosidae: Theraphosinae)", Arachnologischer Anzeiger (in German), 3 (1): 9–11
  4. ↑ "Brachypelma smithi (F. O. Pickard-Cambridge, 1897): Documents", Species+, UNEP-WCMC & CITES Secretariat, retrieved 2017-09-22
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