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Pseudococcus mandio sp. n. (Hemiptera: Pseudococcidae) on cassava roots in Paraguay, Bolivia and Brazil

Published online by Cambridge University Press:  10 July 2009

D. J. Williams
D. J. Williams
Affiliation:
Commonwealth Institute of Entomology, c/o British Museum (Natural History), Cromwell Road London SW7 5BD, UK
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Abstract

Pseudococcus mandio sp. n. is described from the roots of cassava in Paraguay, Bolivia and Brazil. In Paraguay, it is probably associated with wilting of the plant and, in common with most mealybugs, it appears to be a phloem-feeder. There is evidence of sufficient phloem in the roots, and this may be identical with the phloem of the stems. The mealybug is related to P. affinis (Maskell) in possessing swollen hind femora with numerous translucent pores, and discoidal pores around the eyes, but the oral rim ducts are either few or absent entirely.

Type
Original Articles
Information
Bulletin of Entomological Research , Volume 75 , Issue 3 , September 1985 , pp. 545 - 547
Copyright
Copyright © Cambridge University Press 1985

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References

Miller, D. R., Gill, R. J. & Williams, D. J. (1984). Taxonomic analysis of Pseudococcus affinis (Maskell), a senior synonym of Pseudococcus obscurus Essig, and a comparison with Pseudococcus maritimus (Ehrhorn) (Homoptera: Coccoidea: Pseudococcidae).—Proc. ent. Soc. Wash. 86, 703–713.Google Scholar
Viégas, A. P. (1976). Estudos sobre a mandioca.—214 pp. Inst. Agron. Estado São Paulo.Google Scholar