More
than two hundred and sixty species of Hieracium are recorded
in Britain. Two hundred and forty-nine species are native.
Weak-leaved
Hawkweed (Hieracium attenuatifolium), Northroe Hawkweed (H.
northroense) and Shetland Hawkweed (H. zetlandicum) are
protected under Schedule 8 of the Wildlife and Countryside Act,
1981.
3>
Larva mining both lower and upper surface, unusually long, linear,
conspicuously broad, frequently largely on the underside of the
leaf. Pupation external. Puparium black
Mine
of Phytomyza marginella
on Lapsana communis. Image: Willem Ellis (Source: Nederlandse
bladmineerders)
->Mine linear, whitish, both upper and lower surface. Pupation internal,
at the end of the mine, with the anterior spiracles projecting through
the epidermis.
Mine
of Chromatomyia atricornis
on Sonchus olearaceus.
Images: Willem Ellis (Source: Nederlandse
bladmineerders)