Orthonotomyrmex

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Orthonotomyrmex
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Formicidae
Subfamily: Formicinae
Tribe: Camponotini
Genus: Camponotus
Subgenus: Orthonotomyrmex
Ashmead, 1906
Type species
Formica sericea, now Camponotus sericeus

Camponotus sericeus casent0104896 profile 1.jpg

Camponotus sericeus casent0104896 dorsal 1.jpg

Specimen labels

Flat-back Carpenter Ants (See also Myrmepinotus, Myrmopiromis, Myrmotrema, and Myrmisolepis.)

Diagnosis. Emery (1925). - "Worker and queen. - Medium to small species; caste dimorphism somewhat marked. Head of majors large, wider than long, truncated posteriorly, sometimes with distinct ocelli (at least in C. sericeus, F.); more-or-less rounded in minors (Plate 3, Fig 7, 7a). Clypeus short, with anterior lobe rounded, sometimes notched medially. Worker mesosoma robust, with strong impression or notch anterior to propodeum; (C. sericeus, F., mayri, Forel, selene, Emery), sometimes mesosoma more-or-less rounded (C. wasmanni, Emery , dolfleini, Forel); pronotum usually rounded, but in wasmanni pronotal shoulders dendate, and in selene, the whole mesosomal dorsum is marginate and pronotal shoulders extended into strong teeth. Petiole nodiform, prominently rounded, coarsely punctate-foveolate. Cuticle matte, often covered with harsh punctation. Male. - Forel described the male of C. sericeus which is unknown to me.

Geographical distribution of species. - Afrotropics, India, Sri Lanka, Indochina.

Note: This subgenus plus Myrmepinotus, Myrmopiromis, Myrmotrema, and Myrmisolepis constitute a natural group which is essentially African."

(Translated and edited by B. E. Boudinot, 17 February 2017.)


Orthonotomyrmex is currently a subgenus of Camponotus.

Nomenclature

The following information is derived from Barry Bolton's Online Catalogue of the Ants of the World.

  • ORTHONOTOMYRMEX [subgenus of Camponotus]
    • Orthonotomyrmex Ashmead, 1906: 31. Replacement name for Orthonotus Ashmead, 1905b: 384. [Junior homonym of Orthonotus Westwood, in Stephens, 1829: 344 (Hemiptera).]
    • [Type-species not Formica lateralis, unjustified subsequent designation by Forel, 1914a: 264; repeated in Arnold, 1922: 613.]
  • ORTHONOTUS [junior homonym, see Orthonotomyrmex]
    • Orthonotus Ashmead, 1905b: 384. Type-species: Formica sericea, by original designation. [Junior homonym of Orthonotus Westwood, in Stephens, 1829: 344 (Hemiptera).]
    • Orthonotomyrmex Ashmead, 1906: 31, replacement name for Orthonotus Ashmead.

References