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|Combination in Eciton: Dalla Torre, 1893 PDF: 3; in Nomamyrmex (Labidus): Emery, 1910b PDF: 23; in Nomamyrmex (Holopone): Santschi, 1925b PDF: 11; in Nomamyrmex (Nomamyrmex): Borgmeier, 1936b PDF: 55; in Nomamyrmex: Borgmeier, 1953 PDF: 8.|
Nomamyrmex hartigii is in the tribe Ecitoninae, which arethe New World army ants. It presumably shares with all army antsthe habits of group raiding and colony nomadism. This speciesis much less often seen than members of the esenbeckiicomplex. My own observations of hartigii are limited tothe following:
At Sirena, Corcovado National Park, I observed a nasutiform termitenest on the ground. Thousands of termites had abandoned the nestand were coating the surrounding vegetation. Entire Heliconialeaves had continuous mono-layers of termites. Dolichoderusbispinosus were preying on the termites above ground. I flippedthe termite nest and found masses of Nomamyrmex hartigiiworkers beneath. They had moved into the base from a tunnel andwere carrying away termites from several large caches of deadtermites.
In Monteverde, at 1400m elevation in the center of the community,I observed a column crossing a hard-packed rock road (near PensionFlor Mar). The column emerged from the ground on one side of theroad and disappeared below ground on the other.
These observations suggest that this species is largely subterranean.Thus, even though it is very infrequently collected, little canbe said about its absolute abundance.
Canindeyú, Central, Concepción (INBP, LACM, NHMB). Literature records: Central, Guairá (Borgmeier 1955, Santschi 1916).
Found most commonly in these habitats: 2 times found in wet forest, 2 times found in SOR 750m., 2 times found in montane wet forest, 2 times found in Semideciduous seasonal forest, 1 times found in Botanical garden, edge of second growth forest, 2 times found in mature wet forest, 1 times found in Mixed terra firme forest, 1 times found in roadside edge, 1 times found in CES 350m., 1 times found in lowland wet forest.
Found most commonly in these microhabitats: 3 times ex sifted leaf litter, 1 times at light, 1 times Treefall 2. For a long time I had noticed a nasutiform termite nest lying on th, 1 times Sobre Vegetacion, 1 times lab clearing, army ants attacking Solenopsis geminata, 1 times ground forager(s), 1 times E. Schlechtendali.
Collected most commonly using these methods: 4 times search, 1 times light trap, 3 times Lighttrap, 2 times Suspended pitfall (4m) under light, 1 times winkler, 2 times miniWinkler, 1 times Sweeping, 1 times Blacklight.
Elevations: collected from 5 - 1400 meters, 117 meters average
Type specimens: syntype of Eciton apicifer: casent0911414; syntype of Eciton hartigi hansi: casent0905946; syntype of Eciton schlechtendali: casent0915865, casent0915866; syntype of Nomamyrmex hartigii: casent0901958, casent0902668