Diaspis echinocacti (Bouché, 1833)
cactus scale
on succulents
© United States National Collection of Scale Insects Photographs , USDA Agricultural Research Service, Bugwood.org: the elongated smaller scales are of males.
parasite
On all green parts of the plant, sometimes also the root collar
host plants
polyphagous
Lithops; Opuntia coccinellifera, ficus-indica, “glaucophylla”, humifusa, leucotricha, microdasys, “polyantha”, stricta, tomentosa, tuna.
In greenhouses and indoors on many more species, like Cereus peruvianus, repandus; Echinopsis eyriesii; Mamillaria; Schlumbergera truncata; Selenicereus grandiflorus, macdonaldiae.
phenology
Bivoltine.
distribution within Europe
notes
In Central and North Europa often in greenhouses etc.
references
Blay Goicoechea (1992a), Çalişkan Keçe & Ulusoy (2017a), Carnero Hernandez & Perez Guerra (1986a), Gertsson (2016a), Gomez-Menor Guerrero (1967a), Gómez-Menor Ortega (1965a), Hellrigl (2004a), Łagowska, Golan, Kot ao (2015a), Malumphy, Ostrauskas & Pye (2008a), Mazzeo, Suma & Russo (0000a), Mifsud, Mazzeo, Russo & Watson (2014a), ScaleNet, Seljak (2010a), Yaşar (2020a).