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Cotton aphid

Scientific Name
Aphis gossypii
Scientific Author
Glover
Taxonomy
(Hemiptera: Aphididae: Aphidinae: Aphidini)
Risk
Unknown
Status
Uncertain Status
Reliability
High
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Diagnostic Notes

Apterae: body 0.9-1.8mm, variable in colour from dark green, almost black, pale yellow to almost white.  Commonly light green mottled with darker green, with dark siphunculi and a pale or dusty cauda.  Often ant-attended. 
 
Alate: body 1.1-1.8mm. head, thorax and siphunculi are black, the abdomen of a variable colour
 
Cornicles or siphunculi uniformly sclerotized from tip to base and darkly pigmented, longer than the cauda, gradually taper towards apex with a small dilation.  Dorsal abdominal segments uniformly sclerotized and unpigmented. Cauda usually have 4-7 hairs and are paler than the cornicles. Antennal tubercles weakly developed.

Sources:

Blackman & Eastop (2000)

CPC  (2005)

See weblinks for HYPP Zoology

More Information
Author
Graham, R.
Created
01/02/2011 10:20 AEST
Last Updated
01/02/2011 17:40 AEST
Citation
Graham, R. (2011) Cotton aphid (Aphis gossypii ) Updated on 2/1/2011 5:40:18 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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