Plant Parasites of Europe

leafminers, galls and fungi

Rhizococcus coccineus

Rhizococcus coccineus (Cockerell, 1894)

cactus eriococcin, cactus mealybug

on Cactaceae

Rhizococcus coccineus: larvae

leg M Shutta © United States National Collection of Scale Insects Photographs: larvae and ovisic

Rhizococcus coccineus: ovisac

leg K Brown © United States National Collection of Scale Insects Photograph: the ovisac often is formed on a spine


Adult females, oval, 3 mm, purplish.

host plants

Cactaceae, oligophagous

Opuntia ficus-indica.

In greenhouses and botanical gardens on a wide range of other genera, including Astrophytum, Cereus, Cleistocactus, Echinocactus, Echinocereus, Echinopsis, Hylocereus, Mammillaria, Neobuxbaumia, Pelecyphora, Rebutia, Rhipsalis, Selenicereus, Thelocactus, Wilcoxia.

distribution within Europe

(PESI, 2020).


Acanthococus, Eriococcus coccineus.


Kozár, Kaydan, Konczné Benedicty & Szita (2013a).

Last modified 14.iii.2020