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

parasite

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).

synonyms

Acanthococus, Eriococcus coccineus.

references

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

mod 14.iii.2020