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Species: Prionopelta modesta   Forel, 1909 

Classification:
Download Data

Taxonomic History (provided by Barry Bolton, 2021)

Prionopelta modesta Forel, 1909a PDF: 241 (w.) GUATEMALA. Neotropic. Primary type information: Type-material: lectotype worker (by designation of Ladino & Feitosa, 2020 https://doi.org/10.11646/zootaxa.4821.2.1 PDF: 236). Type-locality: lectotype Guatemala (no further data). Type-depository: MHNG. Type-specimen: CASENT0102527 (lectotype the top specimen of a pin with 2 workers). Secondary type information: Paratype-material: 1 paralectotype worker. Paratype-locality: same as for lectotype. AntCat AntWiki HOL

Taxonomic history

// Distribution

Distribution:

  Geographic regions (According to curated Geolocale/Taxon lists):
    Americas: Belize, Brazil, Colombia, Costa Rica, Guatemala, Guyana, Honduras, Mexico, Nicaragua, Panama
  Biogeographic regions (According to curated Bioregion/Taxon lists):
    Neotropical

Distribution Notes:

Southern Mexico, Guatemala (type locality), Costa Rica. Costa Rica: most common in mid-elevation montane wet or moist forest, Atlantic and Pacific slopes.

Biology:

Natural History:

Wilson (in Brown 1960) made observations on a colony fragment of this species, captured at Pueblo Nuevo, Veracruz, Mexico. He noted that the colonies were polydomous. The fragment he obtained contained workers, eggs (which hatched in the laboratory), and a dealate queen, but the queen was unfertilized and apparently not the colony queen. When he offered the colony fragment a variety of prey types in a "cafeteria" experiment, the foragers mostly recoiled violently. When the ants were cramped together with a 15mm long geophilomorph centipede, they did attack and sting it, finally killing it and dragging it to the brood chamber, where some larvae began to feed upon it. But it was not clear whether this was a typical prey item.

I know this species from Hitoy Cerere at 200m, the north slopes of Volcan Barba from 500-900m, the Penas Blancas Valley from 800-1000m, the San Luis Valley west of Monteverde, Carara Biological Reserve at 500m, and Manuel Antonio National Park near sea level. These are all wet or moist forest sites. modesta inhabits the leaf litter and dead wood on the forest floor. I only know it from Winkler samples of sifted leaf litter, in which I occasionally obtain dealate queens along with workers. Zobeida Fuentes, a Parataxonomist working in the San Luis Valley, found scattered workers in a dead stump, in a patch of mature forest.

References:

Brown, W. L., Jr. 1960. Contributions toward a reclassification of the Formicidae. III. Tribe Amblyoponini (Hymenoptera). Bull. Mus. Comp. Zool. 122:143-230.

Forel, A. 1909. Ameisen aus Guatemala usw., Paraguay und Argentinien (Hym.). Dtsch. Entomol. Z. 1909:239-269.

Specimen Habitat Summary

Found most commonly in these habitats: 68 times found in montane wet forest, 69 times found in mature wet forest, 65 times found in cloud forest, primary, near ridgetop, 58 times found in tropical rainforest, 58 times found in ridgetop cloud forest, 48 times found in lowland rainforest, 42 times found in tropical moist forest, 43 times found in mesophil forest, 33 times found in lowland wet forest, 24 times found in tropical rainforest, with big trees, probably primary, ...

Found most commonly in these microhabitats: 608 times ex sifted leaf litter, 3 times ex sifted litter, 3 times at bait, 1 times under rotten wood, 1 times sifted leaf litter, 1 times nest under bark of dead tree, 2 times in rotten wood, 2 times Hojarasca, 1 times Alrrededor de trampa M/03, 1 times under stone, 1 times sifted litter (leaf mold, rotten wood), ...

Collected most commonly using these methods: 493 times MiniWinkler, 76 times MaxiWinkler, 26 times Winkler, 11 times Berlese, 7 times search, 10 times Night MiniWinkler, 6 times Hojarasca berlese, 4 times Baiting, 2 times hand collecting, 1 times Berlesate, 2 times Mini Winkler, ...

Elevations: collected from 10 - 2200 meters, 649 meters average

Collect Date Range: collected between 1949-07-17 and 2019-06-29

Type specimens:



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