Strumigenys xenos

Strumigenys xenos
Conservation status
Vulnerable (IUCN 2.3)
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Hymenoptera
Family:	Formicidae
Subfamily:	Myrmicinae
Tribe:	Attini
Genus:	Strumigenys
Species:	S. xenos
Binomial name
Strumigenys xenos Brown, 1955 Specimen labels

Bolton (2000) - This species is a workerless inquiline in nests of Strumigenys perplexa in both Australia (New South Wales and Victoria) and New Zealand (Taylor 1968). What is known of the inquiline’s biology is summarised by Brown (1955).

At a Glance

• Workerless Inquiline  • Limited invasive

Identification

Bolton (2000) - A member of the signeae complex in the Strumigenys godeffroyi-group. Differentiation of Strumigenys perplexa and xenos queens is outlined in both Brown (1955) and Taylor (l968a).

Distribution

Latitudinal Distribution Pattern

Latitudinal Range: -31.51583° to -33.5°.

North Temperate	North Subtropical	Tropical	South Subtropical	South Temperate

• Source: AntMaps

Distribution based on Regional Taxon Lists

Australasian Region: Australia (type locality), New Zealand.

Distribution based on AntMaps

Distribution based on AntWeb specimens

Check data from AntWeb

Countries Occupied

Number of countries occupied by this species based on AntWiki Regional Taxon Lists. In general, fewer countries occupied indicates a narrower range, while more countries indicates a more widespread species.

Estimated Abundance

Relative abundance based on number of AntMaps records per species (this species within the purple bar). Fewer records (to the left) indicates a less abundant/encountered species while more records (to the right) indicates more abundant/encountered species.

Castes

Queen

Images from AntWeb

Queen (alate/dealate). Specimen code casent0178232. Photographer April Nobile, uploaded by California Academy of Sciences.	Owned by CAS, San Francisco, CA, USA.

Queen (alate/dealate). Specimen code casent0178875. Photographer Erin Prado, uploaded by California Academy of Sciences.	Owned by CAS, San Francisco, CA, USA.

Nomenclature

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

• xenos. Strumigenys xenos Brown, 1955h: 182 (q.) AUSTRALIA. See also: Bolton, 2000: 971.

Type Material

• Holotype, queen, lower slopes of the Warburton Range, just above Warburton, Victoria, 400m, Australia, 9 January 1951, W.L. Brown, Museum of Comparative Zoology; in nest of Strumigenys perplexa in rotten log.
• Paratype, 1 queen, Ferntree Gully, Victoria, Australia, 22 August 1951, W.L. Brown, South Australian Museum; under rock.

References

• Bolton, B. 2000. The ant tribe Dacetini. Memoirs of the American Entomological Institute. 65:1-1028. (page 971, catalogue)
• Brown, W. L., Jr. 1955h. The first social parasite in the ant tribe Dacetini. Insectes Soc. 2: 181-186 (page 182, queen described)

References based on Global Ant Biodiversity Informatics

• Taylor R. W. 1968. The Australian workerless inquiline ant, Strumigenys xenos Brown (Hymenoptera - Formicidae) recorded from New Zealand. New Zealand Entomologist 4(1): 47-49