Leaf-miner: Almost round, brown to brownish black, upper surface, very opaque
blotch, about 1 cm in diameter, without an initial corridor. Upper
epidermis leathery in colour. Often several mines in a leaf. All
frass as a tar-like film on the floor of the mine (Bladmineerders van Europa).
The
mine is also illustrated in British
leafminers.
Larva: The larvae of beetles have a head capsule and chewing mouthparts with opposable mandibles and lack abdominal legs (see examples).
The larva is illustrated in British
leafminers and Bladmineerders van Europa.
Pupa: The pupae of beetles have visible head appendages, wings and legs which lie in sheaths (see examples).
The pupa is also illustrated in British
leafminers and Bladmineerders van Europa.
Adult:
Illustrated in British
leafminers.
Hosts in Great Britain and Ireland:
Hosts
elsewhere:
Time
of year - larvae: September (British
leafminers).
Time
of year - adults: Unknown.
Distribution
in Great Britain and Ireland: Widespread in southern half
of England including Cambridgeshire, East Kent, East Sussex, West Kent and West Norfolk (NBN
Atlas) and Fleet,
Hants (British
leafminers).
Distribution
elsewhere: Widespread in continental Europe including Bulgaria,
? Corsica, Finland, French mainland, Germany, Hungary, Italian mainland,
Moldova, Norwegian mainland, Poland, Romania, Russia East, Slovakia,
Sweden and Yugoslavia (Fauna Europaea).
NBN Atlas links to known host species: |