Current View: All Antweb
Change View
Cite this page

Citing AntWeb

X

To cite this page, please use the following:

· For print: . Accessed

· For web:


Species: Liometopum occidentale   Emery, 1895 

Classification:
Download Data

See Also:

Liometopum occidentale luctuosum, Liometopum occidentale occidentale

Taxonomic History (provided by Barry Bolton, 2016)

Liometopum microcephalum var. occidentale Emery, 1895d PDF: 330 (w.m.) U.S.A. Nearctic. AntCat AntWiki HOL

Taxonomic history

Wheeler, 1917a PDF: 522 (q.).
Raised to species: Wheeler, 1917a PDF: 521.
See also: Del Toro, et al. 2009: 330.

Taxon Page Images:



Liometopum occidentale velvety tree ant workers tending larvae of the copper butterfly Lycaena xanthoides. The caterpillars produce a substance attractive to the ants, and the ants provide protection from predators and parasites. Kern County, California, USA.
Image © Alex Wild.

Distribution:


Nearctic Region: California, Oregon, Utah, Washington
Neotropical Region: Mexico, Venezuela

Distribution Notes:

BC

Biology:

Typically associated with deciduous trees (not conifers), often oaks (Quercus spp.).

Identification:

In the North American fauna, L. occidentale may be recognized by its bicolored pattern, abundantly hairy gastral dorsum, and distribution (see map).

Taxon Page Author History

On 2013-08-20 07:57:13 Zach Lieberman modified Images
On 2013-08-20 07:56:30 Zach Lieberman modified Images
On 2013-08-20 07:56:00 Zach Lieberman modified Biology
...

Taxonomic Treatment (provided by Plazi)

Specimen Habitat Summary

Found most commonly in these habitats: 35 times found in oak woodland, 38 times found in riparian woodland, 12 times found in valley riparian woodland, 9 times found in chaparral, 8 times found in gully riparian woodland, 5 times found in Quercus-Pinus-Pseudotsuga forest, 3 times found in Quercus-Pinus-Pseudotsuga, 4 times found in riparian vegetation, 3 times found in urban park, 3 times found in oak-juniper woodland, ...

Found most commonly in these microhabitats: 24 times ground foragers, 22 times sifted litter (leaf mold, rotten wood), 11 times on tree trunk, 5 times on Arctostaphylos, 3 times on trunk of valley oak, 5 times on low vegetation, liometopum huge columns moving around and on base of oak tree (prob. Q. lo times 1830, 3 times ex rotten log, 3 times foraging on trunk of oak, 3 times pitfall trap, 1 times on oak tree, ...

Collected most commonly using these methods: 25 times tunafish bait, 13 times hand collecting, 13 times pitfall trap, 7 times Bay Area Ant Survey (BAAS), 4 times search, 4 times malaise trap, 3 times light trap collecting, 0 times Under rock, 3 times Winkler sifter, 0 times Base of tree, 1 times Pitfall traps, ...

Elevations: collected from 2 - 3114 meters, 483 meters average

Type specimens: Lectotype of Liometopum microcephalum occidentale: casent0905042



See something amiss? Send us an email.
Enlarge Map