頭楯
昆蟲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。
參考文獻
- ^ Moulds, Maxwell Sydney. Australian Cicadas. 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. Spiders of North America: An Identification Manual. American Arachnological Society. 2005.