sucking pest的意思|示意

International travel, immigration, changes in pest control practices and insecticide resistance may have contributed to a recent resurgence of this blood-sucking insect in developed countries.

国际旅游、移民、虫害防治手段的改变以及杀虫剂不再有效，这都会导致近些年在发达国家这种吸血昆虫的肆虐。

The result indicates that the chewing pest, piercing-sucking pest, predatory natural enemy and neutral insect are the dominance guilds in the insect community.

结果表明：咀嚼害虫、刺吸害虫、捕食性天敌以及中性昆虫是昆虫群落的优势功能团；