There are many species of ulnar instars, all of which are gnawed on the young leaves and spikes and young fruit. It is a kind of gluttonous insect pests. In severe cases, the whole leaves of the whole plant are eaten. Control methods: In the larvae period, use 90% trichlorfon 800 times, or 48%, 1000 times, or 40% water phosphoramidite 1000 times. Canning Beets,Canning Peppers,Canning Pickled Beets,Pressure Canning Green Beans DOCANNED , https://www.docannedfamily.com