the grey caterpillar like larval stage of solomon’s seal sawfly

green leaf insect invertebrate animal nature flower arthropod plant wing grass moth petal yellow butterfly branch grey caterpillar like larval stage solomon’s seal sawfly animal background british bug caterpillar close close-up closeup color crawling daytime defoliate detail eating environment europe fauna feeding garden green head insect larvae isolated larva larval leaf macro natural nature people outdoor outdoors plant sawfly season solomon seal solomons stages summer wild wild wildlife