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Species: Octostruma rugiferoides   Brown & Kempf, 1960 

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Taxonomic History (provided by Barry Bolton, 2022)

Octostruma rugiferoides Brown & Kempf, 1960 PDF: 200, fig. 20 (w.) MEXICO (Veracruz). Neotropic. Primary type information: Primary type material: holotype worker. Primary type locality: Mexico: Veracruz, Pueblo Nuevo, nr Tetzonapa, 13.viii.1953, no. 224, leaf litter, dry rocky tropical evergreen forest (E.O. Wilson). Primary type depository: MCZC. Secondary type information: Secondary type material: 1 paratype worker. Secondary type locality: same data as holotype but 7.viii. 1953. Secondary type depository: MZSP. AntCat AntWiki HOL

Taxonomic history

Status as species: Kempf, 1972b PDF: 169; Bolton, 1995b: 293; Palacio, 1997: 417 (in key); Branstetter & Sáenz, 2012 PDF: 258; Longino, 2013b PDF: 49.


A cryptic inhabitant of forest floor leaf litter and rotten wood; southern Mexico and Guatemala. // Distribution


  Geographic regions (According to curated Geolocale/Taxon lists):
    Americas: Belize, Guatemala, Mexico
  Biogeographic regions (According to curated Bioregion/Taxon lists):

Distribution Notes:

Mexico, Guatemala.


The types were collected by E. O. Wilson in leaf litter of dry, rocky, tropical evergreen forest. New material collected by the LLAMA project was in scrubby wet forest of eastern Chiapas and the seasonal evergreen forests of the Tikal region in Guatemala. All specimens were from Winkler samples of sifted leaf litter from the forest floor.


Face crossed by a clearly defined arcuate carina; anterior portion of face concave, differentiated from posterior portion, delimited by frontal carinae and facial arc; antennal scrobe deep and conspicuous with distinct posterior and ventral margins; face anterior to facial arc shallowly rugulose; posterior margin of vertex with pair of erect setae; facial arc joins dorsal margin of scrobe anterior to eye; eye minute, composed of < 5, partially fused ommatidia.

Specimen Habitat Summary

Found most commonly in these habitats: 15 times found in tropical moist forest, 1 times found in tropical rainforest, 1 times found in montane forest, 1 times found in 2º wet forest, 1 times found in treefall gap in tropical moist forest, 1 times found in tropical evergreen forest, 1 times found in tropical moist forest at night.

Found most commonly in these microhabitats: 19 times ex sifted leaf litter, 1 times ex sifted litter.

Collected most commonly using these methods: 10 times MiniWinkler, 8 times MaxiWinkler, 1 times Winkler, 1 times Night MiniWinkler.

Elevations: collected from 100 - 581 meters, 256 meters average

Collect Date Range: collected between 1953-08-13 00:00:00.0 and 2019-06-29 00:00:00.0

Type specimens: Holotype Octostruma rugiferoides: mcz-ent00030880

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