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Species: Pheidole bessonii   Forel, 1891 

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Taxonomic History (provided by Barry Bolton, 2019)

Pheidole oswaldi r. bessonii Forel, 1891c PDF: 176, pl. 5, fig. 3 (w.) MADAGASCAR. Malagasy. Primary type information: Madagascar, Fianarantsoa, coll. Besson; CASENT0101838; MHNG. AntCat AntWiki

Taxonomic history

Forel, 1905e PDF: 162 (s.).
Raised to species: Dalla Torre, 1893 PDF: 88; Forel, 1905e PDF: 162.


  Geographic regions (According to curated Geolocale/Taxon lists):
    Africa: Madagascar, Mayotte
  Biogeographic regions (According to curated Bioregion/Taxon lists):

Taxonomic Treatment (provided by Plazi)

Treatment Citation: Forel, A., 1891, Histoire naturelle des Hymenopteres. Deuxieme partie: Les Formicides., Histoire Physique, Naturelle et Politique de Madagascar., Paris: L'Imprimerie Nationale, pp. 1-231

Race Pheidole BessoniiHNS, n. st. ,

[[worker]], (fig. 50). Ne diffère de la Ph. O'SwaldiHNS typique que par les caractères suivants: Échancrure mésonotale plus profonde. Front, vertex, occiput, pronotum et mésonotum lisses et luisants. Pilositée dressée un peu plus courte et un peu moins abondante.

[[soldier]]. Inconnu.

Fianarantsoa (Dr Besson, vice-résident de France).

Specimen Habitat Summary

Found most commonly in these habitats: 88 times found in tropical dry forest, 31 times found in gallery forest, 25 times found in montane rainforest, 14 times found in Uapaca woodland, 13 times found in rainforest, 8 times found in spiny forest/thicket, 5 times found in tropical dry forest on Tsingy, 6 times found in open area near stream, 3 times found in Savannah grassland, 2 times found in savannah woodland, ...

Found most commonly in these microhabitats: 49 times sifted litter (leaf mold, rotten wood), 54 times ex rotten log, 9 times under stone, 4 times ex soil, 6 times ground forager(s), 4 times ground nest, 1 times ex rotten log/termite mound, 2 times under rotten log, 2 times on low vegetation, 3 times ex dead branch above ground, 2 times leaf litter extraction, ...

Collected most commonly using these methods: 36 times MW 50 sample transect, 5m, 19 times Malaise trap, 24 times pitfall trap, PF 50 traps, 11 cm dbh with water, soap, formalin, nonlinear placement, 4 times SD 20 digging sample transect, 10m, 6 times pitfall trap, PF 20 tube sample transect, 10m, 7 times yellow pan trap, YP 25 trap transect, 6 times MW 20 sample transect, 5m, 4 times MW 25 sample transect, 5m, 4 times pitfall trap, PF 50 tube sample transect, 5m, 3 times MW 20 sample transect, 10m, 1 times general collecting, ...

Elevations: collected from 10 - 1736 meters, 518 meters average

Type specimens: syntype of Pheidole oswaldi bessoni: casent0101329, casent0101838

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