Bembecia megillaeformis (Hübner, 1813)

on Colutea, Cytisus, Genista

parasite

The larva bores in the roots.

host plants

Fabaceae, oligophagous

Colutea arborescens; Cytisus hirsutus, procumbens, ratisbonensis; Genista tinctoria.

Rarely Astragalus glycyphyllos.

phenology

The larva lives for two years, in the first year without apparent damage to the host plant. In the second year a circular gallery is made between the bark and the wood at the level of the root crown, which kills the plant. The larva pupates in the gallery, without making a cocoon.

distribution within Europe

(PESI, 2018).

larva, pupa

Larva and pupa are extensively described by Bąkowski.

references

Bąkowski (2013b), Bartsch (2003a), Laštůvka & Laštůvka (2001a), Sobczyk, Kallies & Riefenstahl (2007a), Špatenka (1987a), Toševski in litt. (2018).

mod 26.ix.2018