| 单词 | nymphalid butterfly |
| 例句 | The nymphalid butterflies use WntA one way, the monarch for a quite another. Genes Color a Butterfly’s Wings. Now Scientists Want to Do It Themselves. 2017-09-18T04:00:00Z In the nymphalid butterflies, the pupa is often called a 'chrysalis' on account of the golden hue displayed by the cuticle, and the term 'chrysalis' is sometimes bestowed indiscriminately on any kind of pupa. The Life-Story of Insects The standard pattern of nymphalid butterflies, a 90-million-year-old family of some 6,000 different species, consists of four bands, parallel to the body, that run between it and the edge of the wings. Genes Color a Butterfly’s Wings. Now Scientists Want to Do It Themselves. 2017-09-18T04:00:00Z The means by which the suspended pupa of a nymphalid butterfly attaches its cremaster to the silken pad which the larva has spun in preparation for pupation, is worthy of brief attention. The Life-Story of Insects |
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