tetrachætousとは何ですか？ tetrachætousはtetrachætousです
tetrachætousとは何ですか？
- Having the haustellum composed of four (not of two or six) pieces, as a fly; of or pertaining to that division of brachycerous dipterous insects whose haustellum is of this character: correlated with dichætous and hexachætous. See cuts under Syrphus and Milesia.