Department of Biology, Duke University, Durham NC 27708-0338, USA.
Curr Biol. 2010 Jan 26;20(2):R64-6. doi: 10.1016/j.cub.2009.12.012.
Beetle forewings are modified into hardened structures called elytra. A recent study indicates that the evolution of elytra involved co-opting genes for exoskeleton formation into the wing development gene network of beetles on at least three separate occasions.
甲虫的前翅特化为坚硬的结构，称为鞘翅。最近的一项研究表明，鞘翅的进化至少涉及三次将用于外骨骼形成的基因篡入甲虫的翅发育基因网络。
