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Species: Pheidole tisiphone   Wheeler, 1911 

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Taxonomic History (provided by Barry Bolton, 2020)

Pheidole tisiphone Wheeler, 1911k PDF: 203 (s.) MEXICO. AntCat AntWiki HOL

Taxonomic history

Combination in Pheidole (Elasmopheidole): Emery, 1915g PDF: 190.
See also: Wilson, 2003A: 632.


  Geographic regions (According to curated Geolocale/Taxon lists):
    Americas: Mexico
  Biogeographic regions (According to curated Bioregion/Taxon lists):


J. Longino, 28 Apr 2014: Katherine Ennis has been observing this species for several years at a field site in Chiapas, Mexico. She reports "They nest in the ground and are most commonly found along dirt paths and/or where the soil is very hard and compacted. They have a single nest entrance measuring about 0.5-0.75cm in diameter. The nest entrance is easily identified by a refuse pile of insect parts surrounding the entrance. Frequently you can find ant head capsules (notably Odontomachus) and beetle elytra in the discard. We have observed them carrying dead Odontomachus and Pachycondyla as well as dead beetles and ticks into the nest." Katherine provided images of majors in the nest entrance (image 1), a partial nest cast (image 2), minor and major workers around the nest entrance (image 3), and another image of the nest entrance (image 4).

Taxonomic Treatment (provided by Plazi)

Treatment Citation: Wilson, E. O., 2003, Pheidole in the New World. A dominant, hyperdiverse ant genus., Cambridge, MA: Harvard University Press

Pheidole tisiphone WheelerHNS

Pheidole tisiphone WheelerHNS 191 lk: 203. Combination inpheidole ( ElasmopheidoleHNS) by Emery 1915g: 190.

types Nat. Mus. Nat. Hist. U. S.

etymology Tisiphone, Avenger of Murders, one of the Furies of Greek mythology.

Diagnosis A large member of the scrobiferaHNS group, with a bizarre major instantly recognizable by shield-shaped head in full-face view, with the frontal lobes expanded laterally to touch the lateral margins of the head at the level of the eyes and behind it and extended anteriorly almost to touch the anterior clypeal border; by the very dense, long hairs covering the entire head, with those around the region of the eye curving posteriorly; and by the deep, narrow antennal scrobes. The mesonotum is rugoreticulate in the Guatemalan specimen, and mostly carinulate in the unique holotype, but otherwise the two specimens are very close. measurements (mm) Holotype major: HW 1.80, HL 2.16, SL 0.76, EL 0.20, PW 1.00. color Major: body light reddish brown, appendages light reddish to yellowish brown.

range Known only from the two major workers noted above, from Oaxaca, Mexico, and Guatemala.

biology Unknown.

figure Major. GUATEMALA: San Jose (E. S. Ross, in Mus. Comp. Zool. Harvard). Compared with unique holotype major, Almoloya, Oaxaca, Mexico, collected by Frederick Knab, in Nat. Mus. Nat. Hist U. S. Scale bar = 1 mm.

Specimen Habitat Summary

Found most commonly in these habitats: 1 times found in cafetal, 1 times found in coffee farm, High shade.

Found most commonly in these microhabitats: 1 times at tuna bait.

Collected most commonly using these methods: 1 times bait.

Elevations: collected from 953 - 1070 meters, 1003 meters average

Type specimens:

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