Hemichroa australis (Audinet-Serville, 1823)
on Alnus, Betula
Betula pendula, 18.viii.2014 © Stéphane Claerebout
larva, frontal
Alnus glutinosa, comparison of the feeding pattern of a young larva of H. australis (at left), and that if H. crocea (at right) (from Sottyk).
parasite
Oviposition scars in he form of an isolated oval swelling of the petiole. The later larva lives free; especially the younger larva demonstrates a characteristic feeding pattern, a group of sinusoidal slits,
host plants
Betulaceae, monophagous
Alnus glutinosa, incana, viridis; Betula pendula, pubescens.
distribution within Europe
synonyms
Hemichroa alni (Linnaeus, 1767).
references
Benson (1961a), Buhr (1964a), Hoop (1983a), Macek (2012c), Prous, Liston, Kramp, ao (2019a), Pschorn-Walcher & Altenhofer (2000a), Roskam (2019a), Savina & Chevin (2012a), Schedl (1976a, 2003a), Sottyk (2002a), Stritt (1952a), Taeger, Altenhofer, Blank, ao (1998a), Zombori (1976a), Zwakhals & Blommers (2022a).