When defense backfires: Detrimental effect of a plant's protective trichomes on an insect beneficial to the plant
When defense backfires: Detrimental effect of a plant's protective trichomes on an insect beneficial to the plant
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DOI：
10.1073/pnas.95.8.4410
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发表时间：
1998-04-14
影响因子：
11.1
通讯作者：
Hoebeke, ER
中科院分区：
文献类型：
--
作者：
Eisner, T;Eisner, M;Hoebeke, ER
Mentzelia pumila（山药科）植物的叶子和茎上密布着微小的钩状毛状体。这些结构可以捕获并杀死昆虫，因此很可能具有保护作用。但它们也具有适应不良性，因为它们使捕食该植物的蚜虫天敌（Macrosiphum mentzeliae）的瓢虫（Hippodamiaergens）丧失了活动能力。毛状体提供的适应性益处显然被成本所抵消。
The plant Mentzelia pumila (family Loasaceae) has leaves and stems densely covered with tiny hooked trichomes. The structures entrap and kill insects and therefore are most probably protective. But they are also maladaptive in that they incapacitate a coccinellid beetle (Hippodamia convergens) that preys upon an aphid enemy (Macrosiphum mentzeliae) of the plant. The adaptive benefit provided by the trichomes is evidently offset by a cost.