"Winter" aggregations, colony cycle, and seasonal phenotypic change in the paper wasp Polistes versicolor in subtropical Brazil
"Winter" aggregations, colony cycle, and seasonal phenotypic change in the paper wasp Polistes versicolor in subtropical Brazil
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DOI：
10.1007/s00114-006-0140-z
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发表时间：
2006-10-01
影响因子：
--
通讯作者：
Penna, Marcelo A. H.
中科院分区：
文献类型：
--
作者：
Gobbi, Nivar;Noll, Fernando B.;Penna, Marcelo A. H.
温带地区的群居黄蜂有明确的年度群居周期，年轻的蜂王在冬季冬眠。在亚热带地区，此前报道的唯一证据表明“冬眠”的存在是在严酷的气候条件下，雌性在冬季临时聚集在一起。与目前分析的温带物种一样，我们在本研究中表明，在亚热带物种Polistes versicolor中，随着不利季节的临近，身体大小增加。我们的形态研究表明，体型较大的雌性来自冬季的聚集地--也就是说，它们是新的女王。多变量分析表明，大小是唯一被分析的变量，表明了与差异的关系。鉴于没有恶劣的气候，我们认为热带杂色锦鸡儿冬季聚集物的出现起到了作用，使一些雌鸟可以等待更好的环境条件来开始新的巢，而不是所有的雌性在它们一出现就被迫开始新的巢。
Social wasps from temperate zones have clear annual colony cycles, and the young queens hibernate during winter. In the subtropics, the only previously reported evidence for the existence of "hibernation" is the facultative winter aggregations of females during harsh climate conditions. As in temperate-zone species analyzed so far, we show in this study that in the paper wasp, Polistes versicolor, a subtropical species, body size increases as an unfavorable season approaches. Our morphological studies indicate that larger females come from winter aggregations-that is, they are new queens. Multivariate analyses indicate that size is the only variable analyzed that shows a relationship to the differences. Given the absence of a harsh climate, we suggest that the occurrence of winter aggregations in tropical P. versicolor functions to allow some females to wait for better environmental conditions to start a new nest, rather than all being obliged to start a new nest as soon as they emerge.