Difference in leaf herbivory between two plant-ant taxa associating with a myrmecophytic species, Macaranga lamellata
Difference in leaf herbivory between two plant-ant taxa associating with a myrmecophytic species, Macaranga lamellata
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发表时间：
2021
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通讯作者：
Usun Shimizu-Kaya;T. Itioka;P. Meleng
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作者：
Usun Shimizu-Kaya;T. Itioka;P. Meleng
.片叶血桐（Macaranga lamellata）是大戟科（Euphorbiaceae）的一种蚁生植物，受到两个植物蚂蚁分类群（蚁亚科（Formicinae）的Colobopsis macarangae和Crematogaster spp.）（Myrmicinae）.一个M。lamellata树的房屋一个植物蚁群的两个类群之一，都共存于一个人口的M。婆罗洲热带雨林中的一种薄片动物。为了阐明草食动物对M.与灰腹叶蝉伴生树相比，对叶瘿数量进行了统计，并测量了叶瘿被嚼叶昆虫咀嚼后的损失面积。在森林里的薄片。瘿蚊的发生与两种植物蚂蚁的树木之间没有显着差异，而咀嚼叶的食草动物的程度是显着高于Crematogaster相关的树木比Colobopsis相关的树木。在与食腐动物相关的树上观察到的咀嚼痕迹所收集的数据表明，大多数食草动物的损害是由一种食蚜蝇引起的。这些结果表明，在一个种群内，不同草食动物种类的食草压力和出现在与Crematogaster相关的树木和与Colobopsis相关的树木之间是不同的。薄片动物。
. Macaranga lamellata (Euphorbiaceae) is a myrmecophytic species that is protected against herbivorous insects by two plant-ant taxa, Colobopsis macarangae (Formicinae) and Crematogaster spp. (Myrmicinae). Although a single M. lamellata tree houses one plant-ant colony of either of the two taxa, both coexist in a population of M. lamellata in a Bornean rainforest. To elucidate the extent of herbivory damage upon M. lamellata trees associated with Colobopsis relative to trees associated with Crematogaster , we counted the number of leaf galls and measured the leaf loss area chewed by leaf-chewing insects on M. lamellata in the forest. The occurrence of gall midges was not significantly different between the trees associated with the two plant-ants, while the degree of leaf-chewing herbivory was significantly higher on Crematogaster- associated trees than Colobopsis-associated trees. The data gathered on chewing traces observed on Crematogaster- associated trees indicated that most herbivory damage was caused by a phasmid species. These results suggest that the herbivory pressures and occurrences of different herbivore species differ between Crematogaster-associated and Colobopsis- associated trees within a population of M. lamellata .