Pityophthorus juglandis Blackman, 1928
on Juglans
walnut twig beetle
parasite
Larvae and adults bore in the bark of thick branches.
host plants
Juglandaceae, monophagous
Juglans regia.
distribution within Europe
Mexican and North American species, recorded in Italy.
notes
Vector of the fungus Geosmithia morbida Kolařík, Freeland, Utley & Tisserat, 2010, causer of the “thousand cankers disease” that kills a tree in 2-4 years.
references
Boomsluiter (2014a), Faccoli, Simonato & Rassati (2016a).