closeup on an adult plant pest sawfly gilpinia frutetorum infecting spruce plantations

arthropoda arthropod dennenbladwesp diprionidae ecology gilpinia frutetorum hymenoptera insect nature symphyta tenthredinoidea adult animal biology caterpillar closeup creepy destroy detail diprion diprionpini eating entomology fauna invertebrate isolated larvae leaf macro outdoors pest pine sawfly single wild wildlife worm spruce plantations parasite