Messor crawleyi

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Messor crawleyi
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Formicidae
Subfamily: Myrmicinae
Tribe: Stenammini
Genus: Messor
Species: M. crawleyi
Binomial name
Messor crawleyi
Santschi, 1928

Messor crawleyi casent0901473 p 1 high.jpg

Messor crawleyi casent0901473 d 1 high.jpg

Specimen Labels

Identification

Collingwood and Agosti (1996) - HW 1.52; SL 1.24, EL 0.38; EL/HW 0.249. This is a large-eyed, small brown sculptured species. The propodeum is sharply angulate with the flat dorsal surface meeting the down slope at a near right angle. The petiole is somewhat thick with a rounded dorsal crest. The postpetiole is low without a ventral projection. The head has the frons striate with the striae extending across to the eyes. The pronotum and the propodeum are strongly transversely striate; the mesonotum has strong longitudinal striae curving in towards the well-marked promesonotal suture. Both nodes have dose reticulopunctate sculpture while the gaster is smooth and glossy. The psammophore is well developed. The occiput has 7-8 hairs at each side of the midline and the ali trunk dorsum has many scattered hairs with two pairs on the propodeum, two pairs on the petiole and three on the postpetiole. At least 12 standing hairs are visible on the first gastral tergite in profile. This species differs from Messor rugosus of the Middle East in the distinctly angulate propodeum, sparser pilosity, more striated alitrunk and smoother gaster.

Distribution

Distribution based on Regional Taxon Lists

Afrotropical Region: Saudi Arabia.
Palaearctic Region: Egypt (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.

  • crawleyi. Messor rugosus st. crawleyi Santschi, 1928f: 203 (w.) EGYPT. Raised to species: Collingwood & Agosti, 1996: 316.

Description

References