Unaspis euonymi (Comstock, 1881)euonymus scale
mainly on Euonymus, etc.
euonymus scale
mainly on Euonymus, etc.
Euonymus europaeus, Belgium, prov. Namur, Namur, Mundo, 16.vi.2018 © Stéphane Claerebout: severe infestation
detail
Euonymus europaeus, Hungary, Mosonmagyaróvár © László Érsek
male scale
a single specimen
a female scale
a still mobile larva (“crawler”)
Euonymus europaeus, France, dép. Nord, Zuydcote © Sébastien Carbonnelle
male specimens
parasiet
Female scales are relatively larve, dull-brown and cup-shaped; the sit mainly on the branches. Males are much smaller and occur mainly at the underside of leaves; they are covered by an elongated white shield that his three length-ridges.
host plants
Celastraceae etc., polyphagous
Aspidistra elatior; Cistus; Euonymus europaeus, japonicus, latifolius; Laurus nobilis; Pachysandra; Phoenix canariensis.
Euonymus japonicus is the most important host plant by far.
notes
Native in SE Asia; currently a pest species in North America, and an invasive in Europe.
references
Blay Goicoechea (1992a), Braggion (2013a), Fetykó (2014a), Hellrigl (2004a), Jansen (2009a), Kozár, Guignard, Bachmann ao (1994a), Malumphy (2010a, 2016a), Malumphy & Kahrer (2011a), Mifsud, Mazzeo, Russo & Watson (2014a), Pellizzari, Porcelli, Seljak & Kozár (2011a), Redfern & Shirley (2011a), Roques, Cleary, Matsiakh & Eschem (2017a), Salisbury, Malumphy & Halstead (2013a), Seljak (2010a), Özyurt & Ülgentürk (2007a).