頭楯
昆虫的頭楯位於面部下緣,上唇則鉸接於頭楯正下方。下顎會拖住上唇,但不會碰到頭楯。頭楯的背側緣位於觸角窩下方。背側和外側邊界有明顯的界溝,通常成長方形或梯形。
頭楯()為組成節肢動物面部的骨片之一。
參考文獻
- Moulds, Maxwell Sydney. . Kensington, New South Wales: New South Wales University Press. 1990: 10. ISBN 0-86840-139-0.
- Ubick, D.; P. Paquin; P.E. Cushing; V. Roth. . American Arachnological Society. 2005.
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