1, the shape of the bean elephant: The bean elephant belongs to Coleoptera, with a small body, only 3-4 mm in length and a dark brown body. It has been listed as a pest in foreign quarantine in China.

2. Living habits: one year 1 generation, overwintering as adults in crevices of storage rooms, residual plants in fields, cracks in bark, loose soil and packaging materials. The next spring, I flew to the spring pea field to feed, mate and lay eggs. Adults need to feed on pea nectar, pollen, petals or leaves 6- 14 days before mating and spawning.

3. Growing environment: Kidney beans can reproduce under various environmental conditions, but limited by objective factors such as climate, environment and human activities, the requirements for growing environment are higher. They can tolerate low temperature, but they can't survive in extremely cold environment; It needs high humidity and can reproduce under the leaves and epidermis of plants.