半变态类
Hemimetabola \Hem`i*me*tab"o*la\, n. pl. [NL. See {Hemi-}, and {Metabola}.] (Zo["o]l.) Those insects which have an incomplete metamorphosis.
Hemimetabola n : subclass of insects characterized by gradual and usually incomplete metamorphosis [syn: {Exopterygota}, {subclass Exopterygota}]