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Ants

coastal brown-ant
Pheidole megacephala (Fabricius) (Hymenoptera: Formicidae: Myrmicinae)

Status
Exotic (but present in Australia)

Dorsal view worker Zoomify

Caption: Australia: North Queensland, Cairns

Source: Simon Hinkley & Ken Walker Museum Victoria

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Small ant (minor workers approximately 2 mm long and major workers 3-4 mm long), ranging in colour from a pale yellow to a very dark brown. The first antennal segment (scape) of the minor workers far exceeds the top of the head, and is covered in many long hairs. There are no spines on the front of the body (pronotum), but two very small spines on the rear of the body (propodeum) facing almost directly up. There are many small punctations on the rear side of the body, and side of the head, but remaining body areas are smooth and shiny. The entire body is covered in many sparse, long hairs. The second waist segment (post petiole) is conspicuously swollen.

Source:

See ISSG Database weblink

Minor worker: head length 0.59mm, head width 0.53mm, scape length 0.58mm
Major worker: head length 1.22mm, head width 1.21mm, scape length 0.65mm
Major worker description: Face between frontal carinae with parallel longitudinal carinae, space between eyes and frontal carinae punctatorugose overlain with parallel longitudinal carinae, rest of face smooth and shiny.

Source:

See weblink Evergreen

Specimen contact point: Museum Victoria

Citation: Walker, K. (2008) coastal brown-ant (Pheidole megacephala) Pest and Diseases Image Library. Updated on 12/17/2008 4:16:44 PM. Available online: http://www.padil.gov.au

Created Date: 8/28/2006 10:23:48 PM

Last Updated: 12/17/2008 4:16:44 PM

Diagnostic Images
Head Front	Head Front	Head Side	Thorax Side
Overview Images
Dorsal	Lateral	Posterior
Other Images
Size/caste range