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Species: Pheidole laidlowi   Mann, 1916 

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Taxonomic History (provided by Barry Bolton, 2019)

Pheidole triconstricta var. laidlowi Mann, 1916 PDF: 434 (s.w.) BRAZIL. Neotropic. AntCat AntWiki HOL

Taxonomic history

Raised to species: Wilson, 2003A: 201.


  Geographic regions (According to curated Geolocale/Taxon lists):
    Americas: Brazil, Guyana, Peru
  Biogeographic regions (According to curated Bioregion/Taxon lists):

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 laidlowi MannHNS, new status

Pheidole triconstricta var. laidlowi MannHNS 1916: 434.

Types Mus. Comp. Zoology Harvard.

Etymology Eponymous.

Diagnosis A small, yellow, nearly hairless member of the diligensHNS group, similar to bruesiHNS, diligensHNS, inversaHNS, radoszkowskiiHNS, and triconstrictaHNS, differing by the following combination of traits.

Major: sculpture of dorsal surface of head entirely limited to longitudinal carinula restricted to part of head anterior to the posterior eye margin, with no rugoreticulum, and the frontal lobes bare; promesonotal profile strictly 2-lobed, with the lobes connected by a shallow, saddle-like concavity in dorsal-oblique view; propodeal spine very thin, needle-like; color pale yellow.

Minor: differing from that of the species just listed by its narrow occiput.

Measurements (mm) Lectotype major: HW 0.96, HL 0.98, SL 0.66, EL 0.14, PW 0.48.

Paralectotype minor: HW 0.48, HL 0.56, SL 0.66, EL 0.10, PW 0.34.

Color Major and minor: concolorous pale yellow.

Range Amazonian Brazil and Peru.

Biology Unknown.

Figure Upper: lectotype, major. BRAZIL: Rio Madeira (W. M. Mann). Minor: Cuzco Amazonico, 15 km northeast of Puerto Maldonado, Madre de Dios, Peru (Stefan Cover and John E. Tobin). Scale bars = 1 mm.

Specimen Habitat Summary

Found most commonly in these habitats: 2 times found in wet forest.

Found most commonly in these microhabitats: 2 times ex sifted litter, rotten wood.

Collected most commonly using these methods: 2 times Winkler.

Elevations: collected from 200 - 330 meters, 265 meters average

Type specimens:

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