Plant Parasites of Europe

leafminers, galls and fungi

Bactericera trigonica

Bactericera trigonica Hodkinson, 1981

on Daucus, etc.


Larvae ± 2 mm, oval, strongly flattened, surrounded by a shining “nimbus” of wax threads, at the underside of the leaf, sometimes in a shallow depression. Several generations; hibernation as adult insect in conifers.


Apiaceae, oligophagous

Daucus carota; Ferulago campestris; Foeniculum vulgare; Orlaya grandiflora; Seseli libanotis.


Burckhardt & Freuler describe the larva and present a key (for adults and 5th instar larvae) of the psyllids occurring on Daucus.


Trioza trigonica.


Burckhardt (2002a), Burckhardt & Freuler (2000a), Conci, Rapisarda & Tamanini (1996a), Halperin, Hodkinson, Russell & Berlinger (1982a), Hellrigl (2004a), Malenovský, Baňař & Kment (2011a), Malenkovský & Lauterer (2012a), SeljK (2020a), Spodek, Burckhardt & Freidberg (2017a).

Last modified 1.xii.2020