spongy moth caterpillar - lymantria dispar

leaf insect green invertebrate plant flower animal nature tree arthropod butterfly moth produce branch yellow wildlife spon spongy caterpillar lymantria dispar close oak feeding connecticut polyhedrosis nuclear maimaiga entomosphaga npv virus nucleopolyhedrosis adult american biodiversity bug conservation defoliation destructive detrimental environmental european fairfield female forest gypsy habitat impact invasive irritating loss north preservation problem species spread spring squantz summer trees wild worldwide