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Species: Leptogenys imperatrix   Mann, 1922 


Classification:
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Taxonomic History (provided by Barry Bolton, 2017)

Leptogenys (Lobopelta) imperatrix Mann, 1922 PDF: 15, fig. 8 (w.q.) HONDURAS. Neotropic. AntCat AntWiki HOL

Taxonomic history

See also: Lattke, 2011 PDF: 184.

Distribution:


Neotropical Region: Alajuela, Americas, Central America, Costa Rica, Ecuador, Guatemala, Heredia, Honduras, Jinotega, Lempira, Nicaragua, Olancho, Panama, Puntarenas, South America, Zacapa

Distribution Notes:

Honduras, Costa Rica. Costa Rica: montane habitats; known from Monteverde and Penas Blancas Valley down to 800m.

Biology:

Natural History:

This species is relatively common in Monteverde; I have made collections from four nests, and have seen several other nests from which I did not make collections. The colonies are small, and nests are always underground, either with an entrance that is a simple hole at the surface, or emerging into chambers beneath a stone or dead wood. For example, I once turned a dead log and observed workers grab brood and vanish down a tunnel. The tunnel extended down about 10cm to a bottom chamber, where I found only 5 adults, 1 pupa, and 3 larvae. Isopods appear to be the main component of the diet, because the nests are usually surrounded by refuse piles of bleached isopod shells. I have discovered nests in road banks because there was a telltale whitish-gray streak of isopod shells that poured down the slope from the nest entrance. I once excavated a colony and kept it alive for several weeks, offering it a variety of prey. Foragers would take only isopods. Counter to this observation, however, was a worker I captured running across the road carrying a spider as prey.

References:

Mann, W. M. 1922. Ants from Honduras and Guatemala. Proc. U. S. Natl. Mus. 61:1-54.

Specimen Habitat Summary

Found most commonly in these habitats: 13 times found in montane wet forest, 11 times found in cloud forest, 6 times found in ridgetop cloud forest, 5 times found in wet forest, 1 times found in clearing in cloud forest, 2 times found in pine-mesophyll forest, 1 times found in 2º cloud forest, 1 times found in cloud forest litter, 1 times found in evergreen forest.

Found most commonly in these microhabitats: 11 times ex sifted leaf litter, 8 times at bait, 7 times yellow pan trap, 5 times blue pan trap, 2 times forest litter, 3 times white pan trap, 1 times nest under stone, 1 times Nest in ground; pile of isopod shells at nest entrance; forest/pasture edge., 1 times Cloud forest. Nest under rock near stream edge. Ravine below Est. Biol. Montever, 1 times Ants collected by Mauricio Ramirez, Río San Luis near Miguel Leiton house., 2 times strays, ...

Collected most commonly using these methods: 14 times search, 8 times Baiting, 7 times yellow pan trap, 7 times MaxiWinkler, 5 times blue pan trap, 2 times Berlese, 3 times MiniWinkler, 3 times white pan trap, 3 times flight intercept trap, 3 times Malaise, 2 times Pan Trap, ...

Elevations: collected from 500 - 1650 meters, 1287 meters average

Type specimens:



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