Evolution of satellite-nest building in Polistinae

研究了巴西独立建国黄蜂Polistes satan的群体遗传结构。丰季种群的繁殖雌虫数量明显大于旱季种群，因此丰季种群各发育阶段内的亲缘性低于旱季种群。在旱季和雨季，基因频率在连续的群体之间都有显著差异，表明该物种表现出连续的一夫多妻制。P. satan建造卫星巢，但这种建造行为可能与解决优势生殖雌性之间的冲突无关。

Colony genetic structures were examined in a Brazilian independent-founding wasp Polistes satan. The number of reproductive females was significantly larger in colonies of wet season than in colonies of dry season, and consequently the relatedness within each developmental stage of brood was lower in colonies of wet season than in colonies of dry season. In both dry and wet seasons, the gene frequencies were significantly different between groups of consecutive cohorts, suggesting that this species exhibits serial polygyny. P. satan builds satellite nests, but the building behaviors might not be associated with the resolution of conflicts among dominant reproductive females.