Food Plant: Cydonia oblonga (Quince), Malus sylvestris (Crab apple), Sorbus torminalis (Wild Service-tree),

Mine: June - July, September - October

Notes: Difficult to distinguish between P.hostis and P.blancardella on the basis of mine characteristics - both form arched tubes on the leaf of M.sylvestris. P.hostis tends to make the larger mine on M.sylvestris and the pupa is in a cocoon, with frass to one side. The undersurface of the mine is creased, with other creases alongside. . This species was previously identified as P.cydoniella in the UK.

Data: 29.xi.2004, Fleet, Hants.VC12. Moths emerged indoors 21.iii.2005, gen det Jon Clifton.

Image:© Rob Edmunds