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Diagnostic Description
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Strumigenys is a predominantly tropical genus, represented in California by a single, nonnative species, S. silvestrii Emery . Species in this genus whose biology has been studied are specialist predators of springtails and other small arthropods. References: Bolton (1999, 2000), Brown (1959f), Brown and Wilson (1959b), Dejean (1987), Wilson (1954a).

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Ward, P. S., 2005, A synoptic review of the ants of California (Hymenoptera: Formicidae)., Zootaxa, pp. 1-68, vol. 936
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Ward, P. S.
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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_52_52
Diagnostic Description
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Canindeyú (ALWC).

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Wild, A. L., 2007, A catalogue of the ants of Paraguay (Hymenoptera: Formicidae)., Zootaxa, pp. 1-55, vol. 1622
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Wild, A. L.
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http://plazi.cs.umb.edu/exist/rest/db/taxonx_docs/getSPM.xq?render=xhtml&description=broad&associations=no&doc=21367_gg2_tx.xml#_Description_451_451
Diagnostic Description
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Taxonomy. The genus Strumigenys is assigned to the tribe Dacetini (Bolton 2003). The genus was recently revised by Bolton (2000), and we follow his concept of the genus (but see also Baroni Urbani & De Andrade 2007). Workers of Vietnamese species have the following features.

Worker monomorphic; head in full-face view elongate-cordiform; posterior margin deeply emarginate in middle; frontal carina and antennal scrobe usually distinct, running dorsolaterally above eye; frontal lobe horizontal, covering antennal insertion; clypeus forming a flat shelf which overhangs basal portion of mandible; mandible sublinear to linear (but rarely shortened and basally thickened), straight or curved, terminating in an apical fork of 2 spiniform teeth; one or two small intercalary teeth or denticles usually present between or below spiniform apical teeth; mandible usually with one preapical tooth; labrum with distal lobes reduced to papillae or vestigial, not arising from across entire width of labrum; antenna 6-segmented, with two apical elongate segments together forming a club; eye small, located ventrolaterally; promesonotum usually more or less raised; promesonotal suture absent dorsally; metanotal groove absent; propodeal spine present or absent; posterior slope of propodeum often marginate laterally with lamelliform appendage; propodeal spiracle located high on side of propodeum and close to or at margin of posterior slope of propodeum; fore coxa with a basal rim or carina; petiole pedunculate, with low node; postpetiole with broad elliptical dorsal mound; spongiform appendages well developed ventrally and laterally on both petiole and postpetiole.

The worker of Strumigenys is similar to that of Pyramica (for distinguishing characters see under Pyramica ).

Vietnamese species. Ten species are known from Vietnam: feae Emery [= sp. eg-3; = sp. 44 of SKY: Eguchi et al., 2005] (Ba Vi, Nam Cat Tien, Phu Quoc, Pu Mat, Tay Yen Tu); lewisi Cameron [= sp. eg-6; = sp. 33 of SKY: Yamane et al., 2003] (Ba Vi, Sa Pa, Tam Dao, Van Ban); rallarhina Bolton [= sp. eg-7; = sp. 39, 46 of SKY: Yamane et al., 2005] (Ba Vi, Chua Yen Tu, Cuc Phuong, Phu Quoc, Pu Mat, Tay Yen Tu, Van Ban); sydorata Bolton [= sp. eg-9] (Cuc Phuong, Nam Cat Tien, Phu Quoc, Pu Mat); sp. eg-1 [cf. nanzanensis Lin et Wu] (Cuc Phuong, Phu Quoc, Pu Mat, Tay Yen Tu, Van Ban); sp. eg-2 (Tay Yen Tu); sp. eg-5 [cf. heteropha Bolton] (Tay Ye n T u); sp. eg-8 (Cuc Phuong, Pu Mat); sp. eg-10 (Pu Mat); sp. eg-11 (Nam Cat Tien).

Bionomics. The majority of species of Strumigenys are litter dwellers in well-developed forest. Nests are often found in and under rotting twigs and wood fragments on the forest floor. Because we have not yet employed Winkler bags, used to extract small soil animals from litter, our collection of Strumigenys species may under-represented.

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Eguchi, K., 2011, Generic synopsis of the Formicidae of Vietnam (Insecta: Hymenoptera), Part I - Myrmicinae and Pseudomyrmicinae., Zootaxa, pp. 1-61, vol. 2878
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Eguchi, K.
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Strumigenys
provided by wikipedia EN

Strumigenys is a genus of ants in the subfamily Myrmicinae.

Biology

Strumigenys form small nests in soil, under or between rocks, or in and under logs or under cattle dung. Some species nest in association with other ants such as Bothriomyrmex mayri or Rhytidoponera metallica. Although they are normally slow moving, they can run quickly when disturbed.[citation needed]

S. xenos is a permanent social parasite, which forms no workers and lives in the nests of its host S. perplexa.[citation needed]

Most species specialize in the hunt of springtails, and the others eat other soft-bodied arthropods.[2]

Distribution

Strumigenys is found throughout the tropics and subtropics. 18 species are known from Australia.[2]

Selected species

The genus contains over 830 species.[1] They include:

This list is incomplete; you can help by expanding it.

See also

Footnotes

  1. ^ a b Bolton, B. (2014). "Strumigenys". AntCat. Retrieved 23 July 2014..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}
  2. ^ a b Australian Ants Online: Genus Strumigenys

References

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Strumigenys: Brief Summary
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Strumigenys is a genus of ants in the subfamily Myrmicinae.

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