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首页> 外文期刊>中国昆虫科学：英文版 >Ecological monophagy in Tasmanian Graphium macleayanum moggana with evolutionary reflections of ancient angiosperm hosts
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Ecological monophagy in Tasmanian Graphium macleayanum moggana with evolutionary reflections of ancient angiosperm hosts

机译：塔斯马尼亚Graphle macleayanum moggana的生态单相与古代被子植物宿主的进化反射

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摘要

Local host plant specialization in an insect herbivore may be caused by numerous factors,including host-specific natural enemy pressures or a local lack of suitable host-plant choices that are available elsewhere in its range. Such local specialization or "ecological monophagy",for whatever reason,may reflect reduced ability to behaviourally accept or physiologically utilize other allopatric hosts that are naturally used elsewhere by the species.We tested this feeding specialization hypothesis using the Tasmanian subspecies of Macleay's swallowtail butterfly,Graphium macleayanum moggana (Papilionidae),which uses only a single host-plant species,Antherosperma moschatum (southern sassafras,of the Monimiaceae). Further north,this same butterfly species (G. m. macleayanum) uses at least 13 host-plant species from seven genera and four families (Lauraceae,Rutaceae,Winteraceae,and Monimiaceae). Our larval feeding assays with G. m. moggana from Tasmania showed that certain Magnoliaceae and Lauraceae could support some larval growth to pupation.However,such growth was slower and survival was lower than observed on their normal southern sassafras host (Monimiaceae). We also found that toxicity of particular plant species varied tremendously within plant families (for both the Magnoliceae and the Monimiaceae).
机译：昆虫食草动物的本地宿主植物专业化可能是由多种因素引起的，包括宿主特定的天敌压力或本地缺乏其范围内其他地方可用的合适宿主植物选择。无论出于何种原因，这种局部专业化或“生态单相学”都可能反映了该物种在其他地方自然使用的其他异源寄主在行为上接受或生理利用能力降低的能力。 Graphium macleayanum moggana（Papilionidae），仅使用一种寄主植物物种，Antherosperma moschatum（Monimiaceae sassafras，南缘）。再往北，相同的蝴蝶物种（G. m。macleayanum）使用来自七个属和四个科（狼尾草科，芸香科，冬科和菊科）的至少13种寄主植物物种。我们用G.m.塔斯马尼亚州的moggana表明，某些木兰科和月桂科可以支持一些幼虫生长到化up。但是，这种生长较它们正常的南部（Monimiaceae）寄主要慢，并且存活率较低。我们还发现，特定植物物种的毒性在植物科中（对于木兰科和Monimiaceae而言）差异很大。

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