The hosts of the coffee wood beetle moth are persimmon, pear, loquat, peach, red maple, pomegranate, camellia, chongyang wood, wu zi, yang and so on. The coffee wood beetle moth occurs in Shanghai for 1 generation per year, and the old mature larvae overwinter in the infested branches and moths. Activities begin in April of the following year, pupates begin in mid-to-late May, and adult worms appear in June and July. Adults are phototropic, diurnal and nocturnal, mating and laying eggs shortly after feathering. The eggs are single and scattered in the cracks in the bark, young shoots or between the axillary buds. Each female lays 300-800 eggs. Hatching larvae can be seen in early June, the hatching larvae moth from the end of the young shoots or petioles, then turn to the near base of the annual branches, invade the ring moth for a week, then from the marrow heart moth, and bite a round fecal hole at intervals to discharge yellow-white dried worm feces. The mothed branches quickly withered and were easily broken by the wind. The larvae will turn their branches several times throughout their lives, causing many branches to wither and break. Early 11 the larvae begin to overwinter in the moth tunnel.
Prevention and control methods:
1. During the feathering period of adult insects, trap adult insects with insecticidal lamps.
2. Cut off the withered moth-infested branches in time, cut down until there is no moth road, cut open the branches to kill the larvae or concentrate the branches and burn them.
3. For fresh borer holes on the trunk or large branches, the insect dung can be removed, and the worm hole can be stuffed into the worm hole with a cotton ball dipped in 80% dichlorvos emulsion 25 times, and then the worm hole is sealed with soil to poison the larvae.
