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Species: Liometopum apiculatum   Mayr, 1870 


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

Liometopum apiculatum Mayr, 1870b PDF: 961 (w.) MEXICO. AntCat AntWiki HOL

Taxonomic history

Emery, 1895d PDF: 331 (q.); Wheeler, 1905h PDF: 324 (m.); Wheeler & Wheeler, 1951 PDF: 181 (l.).
Senior synonym of Liometopum masonium: Del Toro, et al. 2009: 316.
See also: Shattuck, 1994 PDF: 128.

Taxon Page Images:



Liometopum apiculatum workers in alarm posture. Portal, Arizona, USA.
Image © Alex Wild.

Distribution:

(based on species list records)
Nearctic Region: Arizona, California, Chihuahua, Colorado, Durango, Hidalgo, New Mexico, North America, Nuevo León, Texas, United States
Neotropical Region: Americas, Central America, Mexico, Sinaloa, Veracruz

Distribution Notes:

collected from the Chiricahua Mtns, Cochise Co.

Identification:

In the North American fauna, L. apiculatum is unique in the following:
- Antennal scape longer, exceeding head margin by an amount at least 2x the thickness of the scape
- Erect hairs on gastric dorsum of uneven length, some as long as those on the pronotum

Specimen Habitat Summary

Found most commonly in these habitats: 15 times found in Pine-oak forest, 2 times found in pinyon/oak/juniper woodland, 3 times found in Oak-ponderosa pine woodland, 2 times found in Quercus-Pinus-Pseudotsuga forest, 3 times found in oak-pine-juniper woodland, 3 times found in xerophyl scrub, 3 times found in live oak-pine-juniper woodland, 4 times found in Mixed oak forest, 0 times found in Deciduous shrub, 0 times found in Pinyon-cedar woodland, ...

Found most commonly in these microhabitats: 7 times under stone, 6 times ground foragers, 1 times strays on ground, 1 times pine duff, 2 times ground forager, 1 times stray foragers on ground, 1 times foragers on Populus, 1 times under stones, 1 times on orchids, 1 times on low vegn, 1 times ground forager(s), ...

Collected most commonly using these methods: 17 times Under rock, 3 times hand collecting, 3 times Search, 3 times pitfall, 1 times pitfall trap, 1 times under board, 3 times Under boulder, 1 times Under bark of fence post, 1 times Base of tree, 0 times Log stage 4, 00AM times loose at 9, ...

Elevations: collected from 1402 - 2540 meters, 1957 meters average

Type specimens: syntype (?) of Liometopum apiculatum: casent0915550; syntype of Liometopum apiculatum: casent0902989



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