Byctiscus betulae (Linné, 1758) Male
Family: Rhynchitidae
Size: 7.3 mm (4.8 to 9.5 mm)
Distribution: From China via Siberia to Europe
Biology: As a form of brood care, the females roll one or more leaves into a coil, which serves as food for the larvae
Location: Russia, Far East, South Ussuri region, Zanadvorovka
leg. S.Kunitzin, VI.2002; det. U.Schmidt, 2015
Photo: U.Schmidt, 2025

 Byctiscus betulae  (big)

 Byctiscus betulae  (Flickr)

Byctiscus betulae  (Wikimedia Commons)

Location List Coleoptera Russia  (Google Drive)

Location List Rhynchitidae Palaearctic Region  (Google Drive)
 

Byctiscus betulae (Linné, 1758) Female
Family: Rhynchitidae
Size: 7.3 mm (4.8 to 9.5 mm)
Distribution: From China via Siberia to Europe
Biology: As a form of brood care, the females roll one or more leaves into a coil, which serves as food for the larvae
Location: Russia, Far East, South Ussuri region, Zanadvorovka
leg. S.Kunitzin, VI.2002; det. U.Schmidt, 2015
Photo: U.Schmidt, 2025

 Byctiscus betulae  (big)

 Byctiscus betulae  (Flickr)

Byctiscus betulae  (Wikimedia Commons)

Location List Coleoptera Russia  (Google Drive)

Location List Rhynchitidae Palaearctic Region  (Google Drive)