1. Second, they live with a wax scale insect.

2. Scale insect is one of the major pest species groups which live on bamboos and prevents the national bamboo industry from healthy development.

3. It has obvious killing effect on budworm, scale insect, caterpillar, leaf rollers, etc. and has no environmental pollution and is safe to human body and farm animal.

4. The results showed that scale insect, leaf roller and scarab were the dominant species.

5. The scale insect Paracerostegia kunmingensis Tang et Xie is an important pest which harms the deconative plants Pittosporum tobira(Thunb.

6. Mexican red scale insect that feeds on cacti; the source of a red dye.

7. We do not know what they eat or why they also live with a wax scale insect.

8. From March to October, the two peaks of VB2 content were corresponded to the two feeding and quick development stages of the scale insect.

9. It was concluded that a higher VB2 content in the host plant in some degree was benefit to the scale insect occurring greatly in the polluted city environment.