leaf damage

Notes & illustrations on the Japanese beetle Popillia japonica study sheet showing life stages and damage

Study sheet on Japanese beetle Popillia japonica showing adult, life cycle, and variety of damage caused by this pest

Adult Japanese beetle Popillia japonica with distinctive abdominal white tufts

Japanese beetle Popillia japonica adult and life stages, with egg, grub or larva, and pupa

Sycamore leaf sketchbook study of autumn Sycamore leaf showing yellow colour and tar spots.  

Puccinia striiformis Yellow Rust Wheat disease on a wheat leaf

Puccinia recondite or P tritcina Brown Rust Wheat disease

Aphid on rose showing damage done to youg leaves and an aphid in side view, cut to white

Picture showing black death virus effects on a hellebore flower and on the leaves

Leaf showing signs of fungal wilt with infected branch behind; the leaf is discoloured and wilted

Water lily leaf showing damage from caterpillars of china mark moth who nibble the edges of the leaves and make folded floating ods from the leaves. Blue water background and inset detail of the caterpillar,