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Species Metcalfa pruinosa - Citrus Flatid Planthopper

leafhopper - Metcalfa pruinosa Hopper ID - Metcalfa pruinosa Planthopper - Metcalfa pruinosa Plant hopper - Metcalfa pruinosa Small moth on Sea Grape - Metcalfa pruinosa Metcalfa pruinosa Unknown leafhopper - Metcalfa pruinosa Auchenorrhyncha ? - Metcalfa pruinosa
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Hemiptera (True Bugs, Cicadas, Hoppers, Aphids and Allies)
Suborder Auchenorrhyncha (Free-living Hemipterans)
Superfamily Fulgoroidea (Planthoppers)
Family Flatidae (Flatid Planthoppers)
Subfamily Flatinae
Tribe Nephesini
Genus Metcalfa
Species pruinosa (Citrus Flatid Planthopper)
Other Common Names
Floury Mothbug (Dr Hamilton's comment)
Explanation of Names
Metcalfa pruinosa (Say 1830)
pruinosa = 'frosty' (refers to the waxy coating)
Common name comes from the fact that it is often seen on Citrus, but also a wide range of other host plants.
Size
adults 5.5-8 mm
Identification
Grey to brown depending on how much floury coating is present. Two dark spots (and often more) near the base of the wing are characteristic.

Nymphs are mainly white with tail ends covered with waxy filaments. These typically form two "tails", but may cover the entire body and surrounding plant surfaces with fluff.
Range
se. Canada to Mexico & West Indies; adventive in Europe,* Korea(1)
*first recorded in ne. Italy in 1979, widely spread since(2)
Food
extremely polyphagous(1)
Remarks
Seldom causes economic damage except to plants weakened by other factors, e.g. frost(3)
Of considerable concern in orchards and vineyards in so. Europe(1)
Internet References
Fact sheet (Mead 2004)(3)
Works Cited
1.Bartlett C.R. (2012) Planthoppers of North America
2.Alien terrestrial arthropods of Europe
Roques A. Kenis M., Lees D., Lopez-Vaamonde C., Rabitsch W., Rasplus J.-Y., Roy D., eds. 2010. BioRisk 4 Special Issue; 2 vols., 1028 pp.
3.EDIS -- Electronic Data Information Source of UF/IFAS Extension