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Species: Pheidole hazenae   Wilson, 2003 

Classification:
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Taxonomic History (provided by Barry Bolton, 2019)

Pheidole hazenae Wilson, 2003A: 434, figs. (s.w.) ECUADOR. Neotropic. AntCat AntWiki HOL

Distribution:

  Geographic regions (According to curated Geolocale/Taxon lists):
    Americas: Costa Rica, Ecuador
  Biogeographic regions (According to curated Bioregion/Taxon lists):
    Neotropical

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 hazenaeHNS new species

Types Mus. Comp. Zool. Harvard.

Etymology Named in honor of Anne-Eve Hazen, in recognition of her outstanding contribution in service and support to tropical conservation, hence the habitats in which the PheidoleHNS ants will continue to exist.

Diagnosis A medium-sized, yellow member of the flavensHNS group, similar to Camilla but differing in the major caste in the moderately convex profile of the head (not bulging as in Camilla), exclusively carinulate (as opposed to partly rugulose and rugoreticulate) sculpturing of the dorsal head surface, and the vertical, forward-curving propodeal spine as viewed from the side. At 50-60X the tips of the mesosomal and gastral hairs are not flattened as in Camilla.

Also similar in some features to alticolaHNS, euryscopaHNS, heterothrixHNS, rectilumaHNS, rectisentisHNS, rectispinaHNS, and rectitrudis, and notably different in others as illustrated. Minor: not diagnosed.

Measurements (mm) Holotype major: HW 0.86, HL 0.90, SL 0.46, EL 0.10, PW 0.40. COLOR Major: concolorous yellow.

Range Known only from the type locality and a single Colombian accession (Zona Buenos Aires, 600-800 m, Charles Kugler). In the second series the specimens are larger and darker than the type and may represent a distinct species.

biology Zona Buenos Aires, Colombia: in second-growth forest.

figure Unique holotype, major. ECUADOR: Rio Palenque Station, 47 km south of Santo Domingo, Pachincha (Stewart B. and Jarmila Kukalova-Peck). Scale bar = 1 mm.

Specimen Habitat Summary

Found most commonly in these habitats: 1 times found in mature cloud forest, 1 times found in mature wet forest, 1 times found in montane wet forest, along ridge leading to stream, oak trees present, probably mature or old 2nd growth with relict trees, near pasture, 1 times found in montane wet forest, 1 times found in montane wet forest, along ridge leading to stream, oak trees, near pasture.

Found most commonly in these microhabitats: 2 times ex sifted leaf litter, 1 times nest under tree bark, 1 times nest under bark flap on live treetrunk, 1 times in refuge clearing.

Collected most commonly using these methods: 3 times search, 1 times miniWinkler, 1 times maxiWinkler.

Elevations: collected from 720 - 1110 meters, 896 meters average

Type specimens:



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