Camponotus micragyne

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Camponotus micragyne
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Formicidae
Subfamily: Formicinae
Tribe: Camponotini
Genus: Camponotus
Species: C. micragyne
Binomial name
Camponotus micragyne
Dumpert, 1995

Camponotus micragyne casent0905900 p 1 high.jpg

Camponotus micragyne casent0905900 d 1 high.jpg

Specimen Labels

This species belongs to the Camponotus subgenus/species-group Karavaievia of southeast Asia. Camponotus micragyne are, like most Karavaievia species, weaver ants that build their nests with silk. General details of this group's biology can be found on the Karavaievia page.

Identification

Keys including this Species

Distribution

Distribution based on Regional Taxon Lists

Indo-Australian Region: Malaysia (type locality).

Distribution based on AntMaps

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Distribution based on AntWeb specimens

Check data from AntWeb

Biology

Dumpert et al. (2006) - In North Sumatra (Ketambe, G. Leuser National Park) we found a huge colony (> 100 pavilions) of C. micragyne which shared some of its pavilions with a Monomorium species. Beside “typical” Karavaievia nest pavilions located under leaves and made with the help of larval silk, the colony occupied partly the nest pavilions of the Monomorium species. Altogether we found three types of nest pavilions in this Karavaievia colony, in close proximity to one another, even on the same leaf:

(I) Wide, oval shaped nest pavilions (max. length: 10 cm, width: 5 cm, height: 1.5 cm), made mainly from larval silk riddled with relatively coarse wooden particles and inhabited only by C. micragyne.

(II) Narrow, tube shaped nests (max. length: 9 cm, width: 1.5 cm, height: 1.5 cm), built laterally on nerves of leaves, made from fine plant trichomes derived from the nest leaves, with only the inner surface of the nest walls covered (irregularly) with silk. Inhabited solely by C. micragyne (workers, alates, brood).

(III) Same architecture as type (II), however, colonized by C. micragyne workers with brood and alate females and additionally by the Monomorium species (queen, workers, brood). Though silk was used for covering the inner surfaces of walls, these nests were not divided into separate chambers. Both species were aggregated on opposed sides of the nest without any sign of aggressiveness. Only when nest inhabitants were heavily disturbed by us, did one observe aggressive behavior of Monomorium sp. against C. micragyne, which lasted, however, less than one minute.

Castes

Nomenclature

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

  • micragyne. Camponotus (Karavaievia) micragyne Dumpert, in Dumpert, Maschwitz, et al. 1995: 99, figs. 5, 6 (w.q.m.) WEST MALAYSIA.

Description

References