Camponotus xerxes

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Camponotus xerxes
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Formicidae
Subfamily: Formicinae
Tribe: Camponotini
Genus: Camponotus
Species: C. xerxes
Binomial name
Camponotus xerxes
Forel, 1904

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Specimen Labels

Synonyms

Foragers are common from March to October with a peak in September. Workers were commonly found foraging on Calotropis procera (Aiton) W. T. Aiton (Apocynaceae) (Sharaf et al., 2013).

Identification

Sharaf et al. (2013) - The high degree of polymorphism and the large intra- and interspecific variation among the species of Camponotus make determinations often difficult. Camponotus xerxes is closely related to Camponotus fellah but can be distinguished by the absence of erect setae on the ventral head surface, whereas in C. fellah there are 1–10 setae (Ionescu-Hirsch, 2009).

Ionescu-Hirsch (2009) - Ionescu-Hirsch (2009) - This species has affinities with the Camponotus thoracicus species complex and is closely related to Camponotus fellah, according to Radchenko (1997b). According to Collingwood and Agosti (1996) and Radchenko (1997b), C. xerxes can be distinguished from C. fellah only by the absence of erect setae on the ventral surface of the head.

Keys including this Species

Distribution

This species was reported from Saudi Arabia, Kuwait, United Arab Emirates (UAE) and Oman (Collingwood 1985; Collingwood and Agosti 1996, Collingwood et al. 2011) (Sharaf et al., 2013).

Distribution based on Regional Taxon Lists

Afrotropical Region: Afghanistan, Saudi Arabia, United Arab Emirates.
Palaearctic Region: Egypt, Iran (type locality), Iraq, Israel, Oman, Qatar, Turkey, Turkmenistan, Uzbekistan.


Distribution based on AntMaps

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Distribution based on AntWeb specimens

Check data from AntWeb

Biology

Collingwood and Agosti (1996) - This is the commonest of the larger Camponotus species in Saudi Arabia. This species has a wide range from Central Asia to the Middle East and Arabia but does not seem to occur in the south west of Saudi Arabia or in Yemen where it is probably replaced by the similar C. fellah. The delimitation of these two large nocturnal foraging species however is not too clear and both species occur in similar habitats in the United Arab Emirates.

Castes

Queen

Nomenclature

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

  • xerxes. Camponotus maculatus r. xerxes Forel, 1904f: 424 (w.q.) IRAN. Karavaiev, 1910b: 9 (s.); Forel, 1913d: 434 (m.). Combination in C. (Tanaemyrmex): Emery, 1925b: 99. Synonym of cognatocompressus: Karavaiev, 1910b: 9. Revived from synonymy and raised to species: Pisarski, 1967: 414. Senior synonym of irakensis: Radchenko, 1996b: 1201 (in key); Radchenko, 1997d: 811.
  • irakensis. Camponotus (Tanaemyrmex) compressus subsp. irakensis Menozzi, 1927e: 117, fig. 1 (s.q.m.) IRAQ. Junior synonym of xerxes: Radchenko, 1996b: 1201 (in key).

Unless otherwise noted the text for the remainder of this section is reported from the publication that includes the original description.

Description

Ionescu-Hirsch (2009) - TL = 13.3–17.0, HL = 3.16–4.49, HW = 2.50–4.38, EL = 0.86–1.05, SL = 3.48–3.67, ML = 4.53–5.94, PW = 1.84–2.58, mTbL = 3.36–3.79, hTbL = 4.61–5.23 (n = 10).

References