Plant Parasites of Europe

leafminers, galls and fungi

Cacopsylla ulmi

Cacopsylla ulmi (Förster, 1848)

on Ulmus

Cacopsylla ulmi: larvae on Ulmus laevis

Ulmus laevis, Hungary, Mosonmagyaróvár, 3.v.2016 © László Érsek

Cacopsylla ulmi: larvae on Ulmus laevis

larvae on a fruitlet

Cacopsylla ulmi: larvae

larvae

Cacopsylla ulmi: larvae

larvae

Cacopsylla ulmi: larva

larva

Cacopsylla ulmi: adults

adults

gall

hypophyllous larvae produce much honeydew. Leaves wither and become disfigured.

host plants

Ulmaceae, monophagous

Ulmus glabra, laevis, minor.

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

phenology

Univoltine; hibernation as egg.

references

den Bieman, Malenovský, Burckhardt & Heijerman (2019a), Burckhardt (1983a, 2002a), Conci, Rapisarda & Tamanini (1992a), Hansen (1996a), Hodkinson & White (1979a), Jerinić-Prodanović (2006a, 2010a), Lauterer (2011a), Malenovský, Baňař & Kment (2011a), Malenkovský & Lauterer (2012a), Ossiannilsson (1992a), Seljak (2006a, 2020a), White & Hodkinson (1982a).

Last modified 9.iv.2021