珠袖蝶(学名:Dryas iulia)是珠袖蝶属中的单型种,原生于由巴西至德克萨斯州南部及佛罗里达州等地,且在夏季时,有时最北会至内布拉斯加州的西部。超过15个亚种已被描述。
它的翅展为82毫米至92毫米,颜色为橘色,雄蝶较亮,带有黑色斑纹;此一物种有点不受鸟类喜爱,属于贝式拟态的一种。(Pinheiro 1996)
这种蝴蝶是一个飞行速度很快,经常光顾空地、道路、森林及林地边缘。食用花卉的花蜜,如马樱丹和咸丰草等花蜜,而其幼虫则以包括西番莲慈竹和在佛克萨斯洲的西番莲球菌等西番莲为食。
因为该物种寿命长并在白天很活跃,所以流行于蝴蝶园。
参考文献
- Butterflies of North America (undated): Dryas iulia
- Miller, L. D. & Miller, J. Y. (2004): The Butterfly Handbook: 115. Barron's Educational Series, Inc.; Hauppauge, New York. ISBN 0-7641-5714-0
- Pinheiro, Carlos E. G. (1996): Palatablility and escaping ability in Neotropical butterflies: tests with wild kingbirds (Tyrannus melancholicus, Tyrannidae). Biol. J. Linn. Soc. 59(4): 351–365. HTML abstract (页面存档备份,存于互联网档案馆)
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