头楯

头楯()为组成节肢动物面部的骨片之一。

蜜蜂的黄色头楯
昆虫头部解剖,淡蓝色的为头楯

昆虫的头楯位于面部下缘,上唇则铰接于头楯正下方。下腭会拖住上唇,但不会碰到头楯。头楯的背侧缘位于触角窝下方。背侧和外侧边界有明显的界沟,通常成长方形或梯形。

头楯后方具有一个鼻状构造,位于双眼之间,此构造在头部尤为明显[1]

蜘蛛身上,头楯被定义为前眼及背甲前缘间的区域[2]

参考文献

  1. Moulds, Maxwell Sydney. . Kensington, New South Wales: New South Wales University Press. 1990: 10. ISBN 0-86840-139-0.
  2. Ubick, D.; P. Paquin; P.E. Cushing; V. Roth. . American Arachnological Society. 2005.

Template:Insect-anatomy-stub

This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.