银杏新害由──桃蛀螟桃蛀螟，过去只见其危害板栗、桃、梨、大豆、玉米、向日葵、棉花等的种实或嫩梢。笔者在山东郊城银杏密植丰产园内发现银杏种实亦受其危害，至１９９３年８月份，被害银杏种实壳内种核全被食光或只剩一部分，该虫以第２代幼虫危害银杏种实。寄生于其... Ginkgo new damage by ─ ─ Tao moth peach borer, in the past saw its harm chestnut, peach, pear, soybean, corn, sunflower, cotton and other seed or shoot. The author found in the suburbs of Shandong Province Ginkgo biloba dense harvest garden ginkgo species also found its harm, to August 1993, the ginkgo species in the shell of all the victims were eaten light or only part of the worm to the second generation of larvae hazards Ginkgo species. Parasitized in its ...