Overview

Comprehensive Description

Pheidole acutidens HNS (Santschi)

Bruchomyrma acutidens HNS Santschi 1922e: 249. Combination with Pheidole HNS by Wilson 1984b: 327. Types Naturhist. Mus. Basel.

etymology L acutidens HNS , sharp-pointed tooth apparently referring to the reduced, acute mandible.

diagnosis An extreme workerless social parasite of Pheidole nitidula HNS , with adaptations that make it unique within the genus. Queen: with 9- to 11-segmented antennae and minute, falcate toothless mandibles that taper to needle-sharp points. Male: pupiform, with mandibles vestigial or absent.

measurements (mm) Syntype queen: HW 0.40, HL 0.42, SL 0.72, EL 0.12, PW 0.58.

Color Queen: yellowish brown.

Range Known only from the type locality.

Biology P. acutidens HNS is a permanent workerless parasite of Pheidole nitidula HNS . The discoverer of this remarkable species, Carlos Bruch (1931), has provided extensive notes on its anatomy, ecology, behavior, and life cycle.

Figure Queen. ARGENTINA: La Plata, Buenos Aires (Carlos Bruch). Type locality: Alta Gracia (La Granja). Sierra de Cordoba, Argentina. Scale bar = 1 mm.

  • Wilson, E. O. (2003): Pheidole in the New World. A dominant, hyperdiverse ant genus. Cambridge, MA, Harvard University Press: 260-260, URL:http://atbi.biosci.ohio-state.edu/HymOnline/reference-full.html?id=20017
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Plazi

Source: Plazi.org

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Taxonomic History

Bruchomyrma acutidens Santschi, 1922e PDF: 249, figs. A-D (q.) ARGENTINA. AntCat AntWiki

Taxonomic history

Bruch, 1931 PDF: 31 (m.).
Combination in Pheidole: Wilson, 1984b PDF: 327.
See also: Wheeler, 1937c PDF: 52; Wilson, 2003A: 260.
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Source: AntWeb

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Physical Description

Diagnostic Description

Taxonomic Treatment

Wilson, E. O.:
 Bruchomyrma acutidens Santschi 1922e: 249. Combination with Pheidole by Wilson 1984b: 327. Types Naturhist. Mus. Basel.
  etymology L acutidens , sharp-pointed tooth apparently referring to the reduced, acute mandible.
  diagnosis An extreme workerless social parasite of Pheidole nitidula , with adaptations that make it unique within the genus. Queen: with 9- to 11-segmented antennae and minute, falcate toothless mandibles that taper to needle-sharp points. Male: pupiform, with mandibles vestigial or absent.
 measurements (mm) Syntype queen: HW 0.40, HL 0.42, SL 0.72, EL 0.12, PW 0.58.
 Color Queen: yellowish brown.
 Range Known only from the type locality.
  Biology P. acutidens is a permanent workerless parasite of Pheidole nitidula . The discoverer of this remarkable species, Carlos Bruch (1931), has provided extensive notes on its anatomy, ecology, behavior, and life cycle.
 Figure Queen. ARGENTINA: La Plata, Buenos Aires (Carlos Bruch). Type locality: Alta Gracia (La Granja). Sierra de Cordoba, Argentina. Scale bar = 1 mm.
 
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Source: AntWeb

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Ecology

Habitat

Habitat and Ecology

Systems
  • Terrestrial
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© International Union for Conservation of Nature and Natural Resources

Source: IUCN

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Conservation

Conservation Status

IUCN Red List Assessment


Red List Category
VU
Vulnerable

Red List Criteria
D2

Version
2.3

Year Assessed
1996
  • Needs updating

Assessor/s
Social Insects Specialist Group

Reviewer/s

Contributor/s
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© International Union for Conservation of Nature and Natural Resources

Source: IUCN

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Wikipedia

Pheidole acutidens

Pheidole acutidens is a species of insect in family Formicidae. It is endemic to Argentina.

Sources[edit]


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