Biological Characteristics of Liriomza huidobrensis

There are 13 to 15 generations for Liriomza huidobrensis annually in Guizhou province, and there is no obvious overwintering phenomenon. Usually, overwintering form is pupa. Both larva and pupa are existing in mulching culture or in warm winter. It begins its dormant period in middle December for bare overwintering pupa, dormancy period is 70 days. The major hosts are celery, broad bean, lettuce, and crowndaisy, minor hosts are seedlings of tomato and melon crops. In natural conditions, generations are overlapped. Preliminary investigation shows that initial developmental temperature is 7.04 ℃ (average for egg, larva, and pupa)