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Brief Summary

    Dorymyrmex bicolor: Brief Summary
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    Dorymyrmex bicolor is a species of ant in the Dolichoderinae subfamily. Dorymyrmex bicolor was recently known as Conomyrma bicolor but has been renamed to Dorymyrmex bicolor. Dorymyrmex bicolor has a single petiole and a slit-like orifice which releases chemical compounds. This ant does not have the capability to sting. Dorymyrmex bicolor is primarily found in arid desert regions in Central and South America and the southwestern United States.

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Comprehensive Description

    Dorymyrmex bicolor
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    Dorymyrmex bicolor is a species of ant in the Dolichoderinae subfamily. Dorymyrmex bicolor was recently known as Conomyrma bicolor but has been renamed to Dorymyrmex bicolor.[1] Dorymyrmex bicolor has a single petiole and a slit-like orifice which releases chemical compounds. This ant does not have the capability to sting. Dorymyrmex bicolor is primarily found in arid desert regions in Central and South America and the southwestern United States.[2]

    Tool use

    Dorymyrmex bicolor regularly interacts with three different species of Myrmecocystus, another genus of ants. Between the two genera of ants, in the southwestern region, there is much overlap of food sources and space between Dorymyrmex bicolor and Myrmecocystus. The Myrmecocystus ants secrete a substance from their poison gland onto a food source they find in order to repel other ants.Dorymyrmex bicolor exhibits a different type of interference behavior. The workers of Dorymyrmex bicolor will surround the entrance to a nest of Myrmecocystus and will drop stones and other objects down the entrance, in an attempt to block the entrance. As many as 10-30 workers of Dorymyrmex bicolor have been observed to drop stones in an opposing nest, but only 5 workers are required to drop stones and other small objects at an efficient rate that will affect the Myrmecocystus nest. The number of Dorymyrmex bicolor workers in an area will have a reducing effect on the number of Myrmecocystus workers in an area, sometimes to drastic effects.[2]

    Distribution

    The known range of Dorymyrmex bicolor stretches from the Southwestern United States (California, Texas, Arizona, New Mexico, and Oklahoma), northern and southern Mexico (including Baja California), El Salvador, Guatemala, Belize, Peru, Honduras, and a few Caribbean island nations (i.e. Jamaica).[3]

    Behavior

    Dorymyrmex bicolor has a primarily foraging focused behavior, because of this they are known to influence rates of seed germination and distribution in plants. They move quickly and are active from early to late afternoon. They build crater shaped nests made of fine sand, as they primarily live in desert like areas though they can live in areas with higher humidity levels.[4]

    References

    1. ^ http://www.antweb.org/description.do?name=bicolor&genus=dorymyrmex&rank=species&project=utahants
    2. ^ a b Moglich, Michael HG; Alpert, Gary D. (1979). "Stone Dropping by Conomyrma Bicolor: A New Technique of Interference Competition". Behavioral Ecology and Sociobiology. 6 (2): 105–113. doi:10.1007/bf00292556. JSTOR 4599265..mw-parser-output cite.citation{font-style:inherit}.mw-parser-output q{quotes:"""""'"'"}.mw-parser-output code.cs1-code{color:inherit;background:inherit;border:inherit;padding:inherit}.mw-parser-output .cs1-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/6/65/Lock-green.svg/9px-Lock-green.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-lock-limited a,.mw-parser-output .cs1-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/d/d6/Lock-gray-alt-2.svg/9px-Lock-gray-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/a/aa/Lock-red-alt-2.svg/9px-Lock-red-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration{color:#555}.mw-parser-output .cs1-subscription span,.mw-parser-output .cs1-registration span{border-bottom:1px dotted;cursor:help}.mw-parser-output .cs1-hidden-error{display:none;font-size:100%}.mw-parser-output .cs1-visible-error{font-size:100%}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration,.mw-parser-output .cs1-format{font-size:95%}.mw-parser-output .cs1-kern-left,.mw-parser-output .cs1-kern-wl-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right,.mw-parser-output .cs1-kern-wl-right{padding-right:0.2em}
    3. ^ http://www.antwiki.org/wiki/Dorymyrmex_bicolor
    4. ^ http://eol.org/pages/476621/details

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    Taxonomic History
    provided by Antweb
    Dorymyrmex pyramicus var. bicolor Wheeler, 1906i PDF: 342 (w.q.) U.S.A. Nearctic. AntCat AntWiki HOL

    Taxonomic history

    Gallardo, 1916b PDF: 63 (q.); Crozier, 1970a PDF: 114 (k.).
    Combination in Dorymyrmex (Conomyrma): Gallardo, 1916b PDF: 63; in Dorymyrmex (Biconomyrma): Kusnezov, 1952j PDF: 430; in Conomyrma: Snelling, 1973b PDF: 4; in Dorymyrmex: Shattuck, 1992c PDF: 85.
    Raised to species: Kusnezov, 1952j PDF: 430; Cole, 1958b PDF}: 130.
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    Dorymyrmex bicolor/Description

Distribution

    Distribution
    provided by Antweb
    collected from the Chiricahua Mtns, Cochise Co.
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Diagnostic Description

    Taxonomic Treatment
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    Ward, P. S., 2005:
    Evidence of occasional introgression with D. insanus .
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    Dorymyrmex bicolor/DiagnosticDescription
    Diagnostic Description
    provided by Plazi (legacy text)

    Evidence of occasional introgression with D. insanus .

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    bibliographic citation
    Ward, P. S., 2005, A synoptic review of the ants of California (Hymenoptera: Formicidae)., Zootaxa, pp. 1-68, vol. 936
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    http://plazi.cs.umb.edu/exist/rest/db/taxonx_docs/getSPM.xq?render=xhtml&description=broad&associations=no&doc=21008_gg2_tx.xml#_Description_63_63