Pheidole vulcan

Pheidole vulcan (named after Vulcan, the Roman god of fire)[1] is a species of ant in the subfamily Myrmicinae.

Pheidole vulcan
Scientific classification
Kingdom:
Animalia
Phylum:
Arthropoda
Class:
Insecta
Order:
Hymenoptera
Family:
Formicidae
Subfamily:
Myrmicinae
Tribe:
Pheidolini
Genus:
Pheidole
Species:
P. vulcan
Binomial name
Pheidole vulcan
Fischer & Fisher, 2013

Habitat and distribution

Pheidole vulcan is known only from the slopes of the two volcanoes Mt. Karthala and La Grille, at elevations between 995 and 1125 m on Grande Comore and thus is possibly an endemic species of the island. The species has been found in rotten logs, sifted leaf litter, under tree bark and on the lower vegetation in montane rainforest.[2]

Description

In its morphology this species is closely related to P. jonas and has been collected in sympatry. While all specimens of P. vulcan are orange in color, the specimens of P. jonas from Mt. Karthala are all dark. More important characters for separating the minor workers of the two species are the shape of the promesonotum in profile, which is less strongly angulate in P. jonas; the amount of sculpture on the clypeus, which is smooth in P. jonas versus posteriorly punctate in P. vulcan; and the significantly more abundant and flexuous standing hairs in P. vulcan in both worker castes. In addition, the postpetiole of P. jonas is relatively longer compared to its height and the height of the petiole than in P. vulcan. The minors of P. vulcan are also similar to those of P. loki. The major workers of P. vulcan differ from those of P. jonas by the combination of a high promesonotal process and inconspicuous to weakly concave transverse groove in the first versus a lower process with concave groove in the latter, longer spines and the postpetiole higher than long versus usually longer than high.[2]

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References
  1. Fischer & Fisher 2013, p. 352
  2. Fischer & Fisher 2013, pp. 351–352
  • Fischer, G.; Fisher, B.L. (2013), "A revision of Pheidole Westwood (Hymenoptera: Formicidae) in the islands of the Southwest Indian Ocean and designation of a neotype for the invasive Pheidole megacephala", Zootaxa, 3683 (4): 301–356, doi:10.11646/zootaxa.3683.4.1
  • This article incorporates text from a scholarly publication published under a copyright license that allows anyone to reuse, revise, remix and redistribute the materials in any form for any purpose: *Fischer, G.; Fisher, B.L. (2013), "A revision of Pheidole Westwood (Hymenoptera: Formicidae) in the islands of the Southwest Indian Ocean and designation of a neotype for the invasive Pheidole megacephala", Zootaxa, 3683 (4): 301–356, doi:10.11646/zootaxa.3683.4.1 Please check the source for the exact licensing terms.
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