Traditional Culture Encyclopedia - Traditional virtues - The citrus crisis exposed the lack of popular science knowledge. In fact, Bactrocera dorsalis occurred in China as early as 1930s. It should be said how long the history of citrus is.
The citrus crisis exposed the lack of popular science knowledge. In fact, Bactrocera dorsalis occurred in China as early as 1930s. It should be said how long the history of citrus is.
Incomplete metamorphosis refers to three stages of development: fertilized egg, larva and adult, and the morphological structure of larva and adult is similar, such as locusts and cicadas. The development of Bactrocera dorsalis goes through four stages: fertilized egg, larva, pupa and adult. The morphological structure of larva and adult is obviously different and belongs to complete metamorphosis. For example, bees, cabbage butterflies and silkworms all belong to complete metamorphosis. According to the life history of Bactrocera dorsalis, the best time to kill Bactrocera dorsalis is larval stage.
Therefore, the answer is: (1) fertilized eggs; Larva; Pupa; Adults; Totally perverted?
(2) pupae? (3) Larva
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