Citrus flatid planthopper

Metcalfa pruinosa

''Metcalfa pruinosa'', the citrus flatid planthopper, is a species of insect in the Flatidae family of planthoppers first described by Thomas Say in 1830.
Metcalfa pruinosa (Say, 1830) 6mm long, on Arctium lappa Citrus Flatid Planthopper,France,Geotagged,Metcalfa pruinosa,Summer,homoptera

Appearance

Adults of ''Metcalfa pruinosa'' can reach a length of 5.5–8 millimetres and a width of 2–3 millimetres at the widest point. They are initially whitish. The color of adults may vary from brown to gray, in connection with the presence of a bluish white epicuticular wax, covering especially the nymphs. The large and prominent compound eyes are yellow. The mouthparts are adapted for piercing and sucking. The trapezoidal forewings are held vertically, wrapping the body when the insect is at rest. The front wings have veined costal cell and several characteristic whitish spots. The hind tibiae usually have two lateral spines in addition to the other spines at the apex.

Nymphs may reach a length of about 3.2 millimetres . Color varies from whitish to light green, with relative large tufts of white wax on the abdomen.
Citrus Flatid Planthopper - Metcalfa pruinosa Gray to brown depending on how much floury coating is present. Two dark spots (and often more) near the base of the wing are characteristic.

Habitat: Attracted to a light in a semi-rural area Citrus flatid planthopper,Geotagged,Metcalfa,Metcalfa pruinosa,Summer,United States,planthopper

Naming

* ''Metcalfa pruinosa cubana''
Citrus flatid planthopper - Metcalfa pruinosa Invasive Nearctic species. It was accidentally introduced to Europe, first in Italy in 1970. In a few decades it has spread over most of Europe. First recorded in Bulgaria in 2004. The forewing is most probably damaged.  Animal,Animalia,Arthropoda,Bulgaria,Citrus Flatid Planthopper,Citrus flatid planthopper,Europe,Flatidae,Fulgoroidea,Geotagged,Hemiptera,Insect,Insecta,Invasive species,Metcalfa pruinosa,Nature,Sofia,Summer,Wildlife

Distribution

The species is native to North America , but is today found throughout southern Europe , in the Neotropical ecozone and in South Korea.
Metcalfa pruinosa Metcalfa pruinosa Citrus Flatid Planthopper,Metcalfa pruinosa

Behavior

The species is univoltine, producing one generation per year. Adults mate in fall during the night. The females lay about 100 eggs, usually in the bark of host plants. Eggs overwinter, hatching the following spring. The adults are seen mainly in summer and fall, when they feed gregariously on sap. When they feed on sap, they eject excess sugar in the form of honeydew. This attracts bees, which convert it to honey.

As it feeds, it causes serious damages to field crops and ornamental plants. It is polyphagous, feeding on a variety of plant taxa. Host plants include maples, dogwoods, hawthorns, willows, elms, privet, black locust, and elder. It lives on crop plants such as grape, citrus, apricot, peach, blackberry, and raspberry.

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Taxonomy
KingdomAnimalia
DivisionArthropoda
ClassInsecta
OrderHemiptera
FamilyFlatidae
GenusMetcalfa
SpeciesM. pruinosa