To fly , a beetle typically opens the elytra and then extends the hindwings , flying while still holding the elytra open , though some beetles in the families Scarabaeidae and Buprestidae can fly with the elytra closed .
To fly , a beetle opens the elytra and then extends the hindwings , flying while still holding the elytra open , though some beetles in the families Scarabaeidae and Buprestidae can fly with the elytra closed .