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Argentine ant

Scientific Name
Linepithema humile
Scientific Author
(Mayr)
Taxonomy
(Hymenoptera: Formicidae: Dolichoderinae)
Status
Exotic Species Occurrence in Australia
Reliability
High
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Diagnostic Images (6)
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Diagnostic Notes

L. humile workers are monomorphic, displaying no physical differentiation. The workers of this species are small, medium to dark brown ants, reaching 2 to 3 mm in length. Body surface is smooth and shiny and lacks hairs on the dorsum of the head and thorax. The petiole is composed of a single, scale-like segment, and sting is absent.

Characteristics:

- Mandbiles 5-8 large teeth, 5-13 smaller denticles
- First apical tooth elongate and much longer than the second tooth
- Front margin of clypeus above mandibles with a broad, shallow concavity
- Relatively low placement of eyes
- Tear-drop shaped head with widest point well above eyes
- Hairs on the front margin of clypeus above mandibles straight
- Upper face of propodeum generally same length or longer than rear face

More Information
Specimen Contact
Museum Victoria
Author
Walker, K.
Created
14/08/2006 05:06 AEST
Last Updated
29/08/2006 12:06 AEST
Citation
Walker, K. (2006) Argentine ant (Linepithema humile) Updated on 8/29/2006 12:06:40 PM Available online: PaDIL - http://www.padil.gov.au.
Image Use
Free for use under the Creative Commons Attribution 3.0 Australia License

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