John A Petyt:
Diastrophus rubi.
John A Petyt:
Diastrophus rubi.
John A Petyt:
Diastrophus rubi
John A Petyt:
Diastrophus rubi
John A Petyt:
Lasioptera rubi
John A Petyt:
Lasioptera rubi
John A Petyt:
Lasioptera rubi.
John A Petyt:
Dysaphis devecta
John A Petyt:
Hawthorn button-top gall Dasineura crataegi
John A Petyt:
Hawthorn button-top gall Dasineura crataegi
John A Petyt:
Hawthorn Button-top gall Dasineura crataegi
John A Petyt:
Hawthorn gall mite Phyllocoptes goniothorax
John A Petyt:
Hawthorn gall mite Phyllocoptes goniothorax
John A Petyt:
Gall wasp Xestophanes potentillae
John A Petyt:
Gall wasp Xestophanes potentillae
John A Petyt:
Gall wasp Xestophanes potentillae
John A Petyt:
Gall wasp Xestophanes potentillae
John A Petyt:
Rust gall Triphragminium ulmariae
John A Petyt:
Fungi gall Sphaerotheca spiraea
John A Petyt:
Fungi gall Sphaerotheca spiraea.
John A Petyt:
Gall midge Dasineura pustulans
John A Petyt:
Gall midge Dasineura ulmaria
John A Petyt:
Gall midge Dasineura ulmaria
John A Petyt:
Wooly aphid gall Eriosoma lanigerum
John A Petyt:
Peach leaf curl gall Taphrina deformans
John A Petyt:
Rose rust gall Phragminiun spp.
John A Petyt:
Rose rust gall Phragmidium spp
John A Petyt:
Rose rust gall Phragmidium spp
John A Petyt:
Wasp gall Diplepis sp
John A Petyt:
Wasp gall Diplepis sp
