Pseudaulacaspis pentagona

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Authors: Van Driesche, R.G., J.H. LaForest, C.T. Bargeron, R.C. Reardon, and M. Herlihy. 2012. Forest Pest Insects in North America: a Photographic Guide. USDA Forest Service. Forest Health Technology Enterprise Team. Morgantown, WV. FHTET-2012-02.

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Taxonomy
Kingdom: Animalia
Phylum: Arthropoda
Class: Hexapoda (including Insecta)
Order: Hemiptera
Family: Diaspididae
Genus: Pseudaulacaspis
Species: pentagona
Scientific Name
Pseudaulacaspis pentagona
(Targioni Tozzetti)
Common Names

white peach scale

Contents

Orientation to Pest

White peach scale, Pseudaulacaspis pentagona (Targioni-Tozzetti), is an invasive scale found in the southeast United States, likely native to Japan or China. It has one of the broadest host ranges reported for any insect, attacking 85 families of plants, including more than 115 genera in Florida alone. The scale has four generations per year in Florida and three in the northern parts of its U.S. range.

Hosts Commonly Attacked

A polyphagous species, white peach scale is common on peach (Prunus persica [L.] Batsch), mulberry (Morus), persimmon (Diospyros virginiana L.), catalpa (Catalpa), hibiscus (Hibiscus), and privet (Ligustrum).

Distribution

In the United States, white peach scale is found from Florida west to Texas and north to Maryland and Tennessee. It also occurs in Puerto Rico and Hawaii.

Biological Control Agents

Two species of Encarsia (E. berlesei Howard and E. diaspidicola Silvestri) are important parasitoids of white peach scale.

Web Links

Articles

Neumann, G., P. A. Follett, R. G. Hollingsworth, and J. H. de León. 2010. High host specificity in Encarsia diaspidicola (Hymenoptera: Aphelinidae), a biological control candidate against the white peach scale in Hawaii. Biological Control 54: 107-113.
León, J. H. de, G. Neumann, P. A. Follett, and R. G. Hollingsworth. 2010. Molecular markers discriminate closely related species Encarsia diaspidicola and Encarsia berlesei (Hymenoptera: Aphelinidae): biocontrol candidate agents for white peach scale in Hawaii. Journal of Economic Entomology 103: 908-916.
Kreiter, P. and A. Panis. 1998. Inventory of the natural enemies of the white peach scale Pseudaulacaspis pentagona (Targioni-Tozzetti,1886) in the world (Homoptera, Diaspididae). Bulletin de la Société Entomologique de France 103: 263-271.
Hanks, L. M. and R. F. Denno. 1993. The white peach scale, Pseudaulacaspis pentagona (Targioni-Tozzetti) (Hemiptera: Diaspididae): life history in Maryland, host plants, and natural enemies. Proceedings of the Entomological Society of Washington 95: 79-88.
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