white fluffy larvae of sawfly

eriocampa dorpatica juglandis tenthredinidae background biology black currant bug bush butternut woollyworm citrus closeup common control destroy dew disease europe fluffy food garden grapes green greenhouse harvest insect involved kill larva larvae lawn leaf leavesleaf lice macro mealybug midge mildew mite pest portrat rare sawfly summer weird white woolyworm worm