Trioza apicalis Foerster, 1848
Pimpinella major, Belgium, prov. Hanaut, Chimay, Forge-Jean-Petit © Sébastien Carbonelle
larvae at the underside of the leaf, causing it to bulge upwards and get disfigured. Larvae dorsoventrally flattened, surrounded by a nimbus of radiating white wax threads.
Leaf curls even occurred in young leaves, that never have been in contact with the psyllids. This demonstrates that the effect of the insects on the plants is systemic. Univoltine, hibernation as adults on conifers.
Aethusa; Angelica sylvestris; Anthriscus sylvestris; Carum carvi; Chaerophyllum temulum; Coriandrum sativum; Daucus carota; Pastinaca sativa; Petroselinum crispum; Peucedanum ostruthium; Pimpinella anisum, major.
Daucus carota is the main host plant (Láska, 2011a).
See Burckhardt & Freuler.
Buhr (1964a, 1965a), Burckhardt (1983a, 2002a), Burckhardt & Freuler (2000a), Coulianos & Holmåsen (1991a), Dauphin & Aniotsbehere (1997a), Láska (2011a), Malenkovský & Lauterer (2012a), Ossiannilsson (1992a), Redfern & Shirley (2011a), Roskam (2009a), Seljak (2006a), Tomasi (2014a), White & Hodkinson (1982a).