Lixus neglectus Fremuth, 1983
on Rumex
parasite
The larva bores in the region around the root collar; here also the pupation. The presence of a larva can be seen because of orange frass that is ejected. Generally but one larva per plant.
host plants
Polygonaceae, monophagous
Rumex acetosa, thyrsiflorus.
distribution within Europe
larva, pupa
See Trnka, Stejskal & Skuhrovec.
references
Trnka & Stejskal (2014a), Trnka, Stejskal & Skuhrovec (2016a).