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Florida Red Scale

Scientific Name
Chrysomphalus aonidum
Scientific Author
(Linnaeus, 1758)
Taxonomy
(Hemiptera: Diaspididae)
Pest Status
0 Unknown
Status
NZ - Exotic
Reliability
High
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Diagnostic Images

Antenna - Adult
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Caption
HEM89 - Slide mounted
Source
Caroline Harding MAF
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Diagnostic Images (5)
Diagnostic Notes
Adult Female

Body membranous, pyriform (never reniform); with front of head rounded; metathorax with an elongate, pointed marginal spur present on either side; only one prepygidial segment (abdominal segment II) bearing a cluster of more than five submarginal ducts on each side. Pygidium broad, subtended by an angle greater than 90°, with three pairs of rounded lobes; perivulvar pores present; paraphyses present only between third lobes, each paraphysis longer than a median lobe; first two plates lateral to third lobe fringed.

Field Characters

In life, scale cover of adult female circular, flat to moderately convex, 1.5-2.5 mm diameter, dark brown or bluish-black with reddish brown central exuviae; sometimes there is a slightly raised, sub-central point that may be pale. Scale cover of male similar to that of the female but more elongate and sometimes slightly paler, reddish brown subcentral exuviae. Body of living female yellow and up to 1.7 mm long. Adult male winged, about 0.8 mm long, with very long genitalia.

References

- Watson, G.W. (2002). Arthropods of Economic Importance: Diaspididae of the World. World Biodiversity Database, CD-ROM. Expert Center for Taxonomic Identification (ETI), University of Amsterdam, The Netherlands.
More Information
Specimen Contact
MAF Plant Health & Environment Laboratory
Author
MAF Plant Health & Environment Laboratory
Created
27/06/2011 02:43 AEST
Last Updated
20/03/2014 21:49 AEST
Citation
MAF Plant Health & Environment Laboratory (2011) Florida Red Scale (Chrysomphalus aonidum) Updated on 3/20/2014 9:49:27 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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