a number of spindle ermine moth caterpillar, yponomeuta cagnagella, descending from a spindle tree and are hanging in mid air on a

air animal are background beautiful black bokeh cagnagella caterpillar caterpillars closeup cycle damage defoliation descending destroy detail eat england environment ermine focus forest green hanging insect invertebrate larva larvae legs life macro mid moth natural nature number outdoor pest plant selective silk silky spindle spring thread tree web wild wildlife wriggling yponomeuta