Cacopsylla peregrina (Förster, 1848)

on Crataegus

gall

Larva uniformly bright green except for a pale brown streak along the centre of the forewing-pad. Thy suck on the young leaves, buds, flowers, and petioles. At high densities leaves may wither and turn brown. Univoltine; hibernation as egg on the bark of the host plant, mainly on flowering shoots.

hostplants

Rosaceae, ? monophagous

Crataegus laevigata, monogyna, rhipidophylla.

In the summer the adults pass through a summer diapause (“parapause”); at that time they do not feed and may occur on different plants.

synonyms

Psylla peregrina.

references

Baugnée, Burckhardt & Fassotte (2002a), Buhr (1964b), Burckhardt (1983a, 2002a), Conci, Rapisarda & Tamanini (1992a), Hellrigl (2004a), Hodkinson & White (1979a), Jerinić-Prodanović (2010a), Lauterer (1976a, 2011a), Malenkovský & Lauterer (2012a), O’Connor & Malumphy (2011a), Ossiannilsson (1992a), Ouvrard (2014), Redfern & Shirley (2011a), Seljak (2006a), Tomasi (2014a), White & Hodkinson (1982a).

mod 26.iv.2018