Abstract: Chinese chestnut Characoma ruficirra South Henan has three generations in out year.In falls to the ground the chestnut burr thorn by the old ripe larva to tie once in a while in the bark crack to spin a cocoon the pupation(pupation in white silk cocoon) to survive the winter,or in is killed in the chestnut burr involucre by the larva to survive the winter.The 1st generation of larva starts doing ill at the beginning of June,and the end of June sends the good time for 1st generation of adult of Characoma ruf...