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Taxonomic History (provided by Barry Bolton, 2020)

Distribution:

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

Distribution Notes:

Costa Rica: La Selva (Fernandez and MacKay 2003, Fernandez 2003).

Biology:

Natural History:

Known from two Berlese samples and one Winkler sample from La Selva.

Notes:

The holotype is a single worker collected from a Project ALAS Berlese sample. At the time of Fernandez's revision the species was known only from the holotype. Since then another worker was collected in a Project TEAM Winkler sample from the plot just south of La Selva's south border, and I found two workers in another ALAS Berlese sample. One of these two workers was larger, darker, with more robust hypostomal tooth, and with 7 ommatidia in the compound eye. Thus this worker would key to laevigatus. Compared to montane laevigatus it is smaller and lighter colored, but still very similar. It would key to laevigatus due to the greater number of ommatidia. Given that it was together in the same Berlese sample with a typical microps worker, and the Berlese sample was from a single small soil/litter core, it is likely they are nest mates and the variation is intraspecific. This calls into question the distinctness of microps and laevigatus.

References:

Fern‡ndez C., F. 2003. Revision of the myrmicine ants of the Adelomyrmex genus-group (Hymenoptera: Formicidae). Zootaxa 361: 1Ð52.

Fern‡ndez C., F., MacKay, W.P. 2003. The myrmicine ants of the Adelomyrmex laevigatus species complex (Hymenoptera: Formicidae). Sociobiology 41:593Ð604.

Taxonomic Treatment (provided by Plazi)

Specimen Habitat Summary

Found most commonly in these habitats: 8 times found in mature wet forest, 1 times found in Puesto#13,339G,10m., 1 times found in SHO 650 m., 1 times found in Sura, 1 times found in tropical rainforest, 1 times found in tropical rainforest, with big trees, probably primary, 1 times found in tropical wet forest, 1 times found in Puesto #4,43G,10m..

Found most commonly in these microhabitats: 10 times ex sifted leaf litter, 1 times Malaise trap, 1 times Hojarasca, 1 times Bosque Primario, Suelo, 1 times bajo de M/22.

Collected most commonly using these methods: 10 times MiniWinkler, 2 times Berlese, 1 times Malaise, 1 times Winkler, 1 times flight intercept trap.

Elevations: collected from 50 - 310 meters, 146 meters average

Type specimens: holotype Adelomyrmex microps: inbiocri001266263

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