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Species: Strumigenys paniaguae   (Longino, 2006) 

Classification:
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Current Valid Name:



Taxonomic History (provided by Barry Bolton, 2022)

Pyramica paniaguae Longino, 2006b PDF: 137, figs. 13-15, 19 (w.) COSTA RICA. Neotropic. Primary type information: Primary type material: holotype worker. Primary type locality: Costa Rica: Heredia Prov., 16 km. SSE La Virgen (10°16’N, 84°05’W), 1100 m., 11.ii.2001, #4375 (J. Longino). Primary type depository: INBC. Primary type specimen: JTLC000008506. Secondary type information: Secondary type material: 18 paratype workers. Secondary type localities: 11 paratype workers with same data as holotype but different specimen codes, 1 paratype worker with same data as holotype but 14.ii.2001, 2 paratype workers Heredia Prov., 11 km. SE La Virgen (10°20’N, 84°04’W), 500 m., 17.ii.2003, 1 paratype worker Heredia Prov., 10 km. NE Vara Blanca (10°14’N, 84°05’W), 1500 m., 14.iii.2005, 1 paratype worker with same data as last but 20.iii.2005, 1 paratype worker with same data but 8.ii.2005, 1 paratype worker with same data but 14.ii.2005. Secondary type depositories: CASC, INBC, JTLC, LACM, MCZC, NHMW, UCDC, USNM. AntCat AntWiki HOL

Taxonomic history

// Distribution

Distribution:

  Geographic regions (According to curated Geolocale/Taxon lists):
    Americas: Costa Rica, Nicaragua
  Biogeographic regions (According to curated Bioregion/Taxon lists):
    Neotropical

Distribution Notes:

Costa Rica (type locality): Cordillera Volcanica Central (Braulio Carrillo National Park, 1070m).

Biology:

Description:

Worker: With the characters of the P. gundlachi group, sensu Bolton (2000); inner margin of mandible evenly convex for nearly entire length; preapical mandibular dentition consisting of two well-defined small teeth proximal to apicodorsal tooth, second (basalmost) tooth larger than first, second tooth sometimes followed by minute denticle; eye with about 15 ommatidia; basalmost projecting seta on leading edge of scape curved away from base, remaining setae broadly fan-shaped and projecting forward; ground pilosity of clypeus, face, and promesonotum abundant, remiform, subdecumbent; dorsal face of propodeum and gastral dorsum lacking ground pilosity; most of mesosoma, petiole, and postpetiole feebly punctate, mesopleuron and part of side of propodeum smooth and shiny; metanotal groove broadly and shallowly impressed, such that promesonotum and dorsal face of propodeum form two separate convexities; gastral dorsum smooth and shiny with short, sparse basal costulae; pairs of stout clavate setae on sides of head at upper scrobe margin, upper face near vertex margin, pronotal humeri, mesonotum, and petiolar node; postpetiole and gaster with abundant stout clavate setae; color orange.

Measurements (holotype): ML 0.418, HL 0.733, HW 0.612, SL 0.332, MeL 0.710.

Etymology:

Named for Maylin Paniagua G., Project ALAS Parataxonomist from 1994 to 2005.

Natural History:

Members of the genus are all predaceous, with a static pressure mode of attack (Bolton 1999, 2000).

This species occurs in a restricted elevational band, from 500m to 1500m on the Barva transect in Braulio Carrillo National Park. It is arboreal, nesting under epiphytes. A colony was discovered during a 2001 Project ALAS expedition to the 1100m site, an area of continuous cloud forest. A populous nest was under an epiphyte mat in a recent treefall. I found workers and brood, but no sexuals. Subsequently workers were obtained in Project ALAS Berlese samples of epiphytic material from the same and two other sites on the Barva Transect.

References:

Bolton, B. 1999. Ant genera of the tribe Dacetonini (Hymenoptera: Formicidae). J. Nat. Hist. 33:1639-1689.

Bolton, B. 2000. The ant tribe Dacetini, with a revision of the Strumigenys species of the Malagasy Region by Brian L. Fisher, and a revision of the Austral epopostrumiform genera by Steven O. Shattuck. Memoirs of the American Entomological Institute 65:1-1028.

Longino, J. T. 2006. New species and nomenclatural changes for the Costa Rican ant fauna (Hymenoptera: Formicidae). Myrmecologische Nachrichten 8:131-143.

Specimen Habitat Summary

Found most commonly in these habitats: 9 times found in montane wet forest, 2 times found in cloud forest, 1 times found in mature wet forest.

Found most commonly in these microhabitats: 1 times under epiphyte mat in treefall, 1 times nest in live stem liana, 1 times under epiphytes in treefall, 2 times ex sifted leaf litter, 1 times Cerca del Refugio Cascante, 1 times Sobre Vegetacion, 1 times Entre M/03 a M/04, 1 times Cerca M/01, 1 times Camino toma de agua, 1 times Camino casa de Serrano, 1 times A lo largo quebrada derrumbe., ...

Collected most commonly using these methods: 3 times search, 6 times Berlese, 1 times Sweeping, 1 times Winkler, 1 times maxiWinkler.

Elevations: collected from 500 - 1500 meters, 1161 meters average

Collect Date Range: collected between 2001-02-11 and 2020-01-20

Type specimens: Holotype Pyramica paniaguae: jtlc000008506; paratype of Pyramica paniaguae: lacment144683; Paratype Pyramica paniaguae: inb0003212274, inb0003604821, inb0003604822, inb0003662486, inb0003662491, inb0003662502, inb0003662711, jtlc000008505, jtlc000008507, jtlc000008508, jtlc000008509, jtlc000008510, jtlc000008511, jtlc000008512, jtlc000008513, jtlc000008514, lacment144684



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