Yang Keqing, Han Dongyin, Wen Jian, Liang Changshou, Zhan Canlan, You Yiyangyang, Fu Yueguan, Li Lei, Ye Zhengpei
School of Tropical Agriculture and Forestry, Hainan University, Haikou 570228, China.
Key Laboratory of Integrated Pest Management on Tropical Crops, Ministry of Agriculture and Rural Affairs, Environment and Plant Protection Institute, Chinese Academy of Tropical Sciences, Haikou 571101, China.
Insects. 2024 Oct 15;15(10):806. doi: 10.3390/insects15100806.
(Trybom) (Thysanoptera: Thripidae) is an important type of thrip and a polyphagous pest, which poses a serious threat to many crops, especially those in tropical regions of China. Its feeding behavior and the damage caused vary among different host plant species and are affected by ambient temperature and plant nutrients as well. The digestion rate is an important index for directly observing the digestion process, but there have been no studies directly measuring the digestion in thrips under the influence of different temperatures and host plants. Here, the digestion rate of was assessed by using a molecular diagnostic tool. We also determined the nutrient content in three host plant (mango, cowpea, and pepper), including soluble proteins, free fatty acids, soluble sugars, and water. The results showed that the high and low temperatures (16 °C and 32 °C) both seemed to accelerate the digestion of compared to the optimal temperature (26 °C) and the protein content of plants played an important role in the digestive response of to temperature changes. The findings can help reveal the feeding damage caused by to different plants and help to better understand its feeding ecology, according to its interaction with the host plant.
（蓟马科）（缨翅目：蓟马科）是一种重要的蓟马类型，是多食性害虫，对许多作物，尤其是中国热带地区的作物构成严重威胁。其取食行为及造成的损害因寄主植物种类不同而有所差异，还受环境温度和植物养分影响。消化率是直接观察消化过程的重要指标，但此前尚无研究直接测定不同温度和寄主植物影响下蓟马的消化情况。在此，利用分子诊断工具评估了（某种蓟马）的消化率。我们还测定了三种寄主植物（芒果、豇豆和辣椒）中的养分含量，包括可溶性蛋白、游离脂肪酸、可溶性糖和水分。结果表明，与最适温度（26℃）相比，高温和低温（16℃和32℃）似乎都加速了（某种蓟马）的消化，且植物的蛋白质含量在（某种蓟马）对温度变化的消化反应中起重要作用。这些发现有助于揭示（某种蓟马）对不同植物造成的取食损害，并根据其与寄主植物的相互作用更好地了解其取食生态。
