Camponotus arenatus

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Camponotus arenatus
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Formicidae
Subfamily: Formicinae
Tribe: Camponotini
Genus: Camponotus
Species: C. arenatus
Binomial name
Camponotus arenatus
Shattuck & McArthur, 2002

Camponotus arenatus casent0172154 p 1 high.jpg

Camponotus arenatus casent0172154 d 1 high.jpg

Specimen Labels

This uncommon species is known from a limited number of minor workers. It ranges from south-central South Australia, north to southern Northern Territory and west-central Western Australia. The only biological information is provided by the single worker collected by B. B. Lowery. It was swept from mallee on red sand.

Identification

Tibiae and scapes lacking erect hairs. In minor workers metanotal groove depressed below level of the anterior region of the propodeum; dorsal surface of node broadly convex, its anterior face much shorter than the posterior face. Dorsal and anterior regions of the pronotum dark red-black, distinctly darker than the yellow-red mesonotum and propodeum. This species is superficially similar to Camponotus donnellani in overall colour pattern but differs in the larger size of the minor worker and the depressed metanotal groove.

Keys including this Species

Distribution

Distribution based on Regional Taxon Lists

Australasian Region: Australia (type locality).

Distribution based on AntMaps

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Distribution based on AntWeb specimens

Check data from AntWeb

Biology

Castes

Nomenclature

The following information is derived from Barry Bolton's New General Catalogue, a catalogue of the world's ants.

  • arenatus. Camponotus arenatus Shattuck & McArthur, 2002: 66, figs. 2-4 (w.) AUSTRALIA.

Type Material

Description

Anterior clypeal margin broadly convex. Dorsal surface of pronotum weakly convex and separated from the weakly convex mesonotum by a shallow angle; metanotal groove slightly but distinctly depressed below the level of the anterior propodeum; propodeum uniformly and weakly convex and without a distinct angle, ratio of dorsum to declivity about 1.5. Petiolar node with a short anterior face which is weakly differentiated from the broadly convex upper surface, the rear face indistinguishable from the upper surface. Erect hairs moderately abundant on all surfaces of the head and dorsal surfaces of the mesosoma, petiolar node and gaster, absent from scapes and tibiae. Head and anterior regions of pronotum black, posterolateral pronotum (immediately above the fore coxae), mesonotum, propodeum, petiole and legs yellow-red, gaster varying from entirely yellow-red to a combination of the yellow-red anteriorly and red-black posteriorly.

Measurements

Minor worker (n=5). CI 0.77 — 0.79; HL 1.94mm — 2.20mm; HW 1.50mm — 1.74mm; ML 3.45mm — 3.81mm; MTL 2.26mm — 2.47mm; SI 1.49 — 1.59; SL 2.38mm — 2.59mm.

Etymology

From arena, alluding to the sandy nature of the known collection sites of this species.

References