Of the 49 species found on camellia, 19 are leaf-eating, 7 stem-boring and bark-gnawing, 21 sap-sucking and 2 root-eating.
茶花害虫有49种，其中食叶的19种，蛀干和啃食枝皮的7种，吸汁的21种，食害苗根的2种。
2
Aphids are small sap-sucking insects whose parthenogenetic reproduction and short generation time allow them to increase population size rapidly.
蚜虫是一类刺吸式口器的小型昆虫，孤雌生殖、世代周期极短、繁殖率高，这使得蚜虫种群增长迅速。
3
The most plausible explanation is that the gene was transmitted by a parasite or pathogen, such as a virus, perhaps with the help of a sap-sucking insect”, says Professor Bengtsson.