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Species: Pheidole xyston   Wilson, 2003 


Classification:
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Taxonomic History (provided by Barry Bolton, 2017)

Pheidole xyston Wilson, 2003A: 535, figs. (s.w.) MEXICO. AntCat AntWiki HOL

Distribution:


Nearctic Region: Puebla
Neotropical Region: Americas, Baja Verapaz, Central America, Chiapas, Guatemala, Mexico, Oaxaca, Veracruz

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 xystonHNS new species

Types Mus. Comp. Zool. Harvard.

Etymology Gr xystonHNS, shaft of a spear, referring to the long propodeal spine of the minor.

Diagnosis Similar to ceibanaHNS, lemniscaHNS, peltastesHNS, perkinsiHNS, renaeHNS, and tayronaHNS, distinguished in the major by the rugoreticulate occiput, shallowly concave posterior cephalic profile, cornulate humerus, and posteriorly curving propodeal spine; and in the minor by the toothed humerus and relatively long, straight propodeal spine.

Measurements (mm) Holotype major: HW 0.70, HL 0.78, SL 0.44, EL 0.10, PW 0.40.

Paratype minor: HW 0.42, HL 0.42, SL 0.40, EL 0.06, PW 0.26.

Color Major: mandibles and body medium brown, rest of appendages yellowish brown.

Range Known only from the type series and from a second series collected 11 km north of San Andres Tuxtla, Veracruz, at 1400 m (P. S. Ward).

Biology Philip Ward took the San Andres Tuxtla series from a rotten log in cloud forest.

Figure Upper: holotype, major. Lower: paratype, minor. MEXICO: 7 km north of Huatusco, Veracruz, 1280 m (A. Newton). Scale bars = 1 mm.

Specimen Habitat Summary

Found most commonly in these habitats: 78 times found in montane wet forest, 37 times found in cloud forest, 32 times found in 2ndary liquidambar forest, 2 times found in lowland rainforest, 6 times found in mixed hardwood forest, 6 times found in 2nd growth forest, 4 times found in 2ndary wet forest, 4 times found in mature wet forest, 1 times found in 2nd growth vegetation, 2 times found in pine-alder forest, ...

Found most commonly in these microhabitats: 134 times ex sifted leaf litter, 41 times at bait, 5 times forest litter, 1 times ex rotten log, 1 times rotten treebase litter, 1 times beating vegetation.

Collected most commonly using these methods: 96 times miniWinkler, 41 times baiting, 26 times maxiWinkler, 10 times Winkler, 5 times Berlese, 2 times litter sample, 1 times beating.

Elevations: collected from 805 - 1800 meters, 1176 meters average

Type specimens: paratype Pheidole xyston: jtlc000016575, jtlc000016576



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