Involvulus cupreus (Linnaeus, 1758)

on woody Rosaceae

parasite

The female lay3 70-120 eggs. Each egg is deposited in a young fruit or in the juicy tip of a shoot. After oviposition the fruit stalk or the shoot at some distance from the egg is severed. The larva develops in the fallen rotting fruit of shoot tip, finally pupates in the soil; in case of fruits the seeds remain undamaged. The adult beetles feed in spring and autumn on young leaves.

host plants

Rosaceae-Amygdaloideae, oligophagous

Crataegus; Malus; Prunus; Sorbus aria, aucuparia.

phenology

Univoltine; hibernation as imago in the soil./p>

distribution within Europe

(PESI, 2019).

synonyms

Rhynchites cupreus.

references

Dieckmann (1974a), Rheinheimer & Hassler (2010a).

mod 3.iv.2019