hemimetabolan.
/ˌhɛmɪmɪˈtabələ/ Entomology.
With plural agreement. A division of Insects comprising those which undergo incomplete metamorphosis.
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the world > animals > invertebrates > phylum Arthropoda > class Insecta > subclass Pterygota > [noun] > division Exopterygota or Hemimetabola
hemimetabola1870
1870 H. A. Nicholson Man. Zool. (1880) 341 Insects are divided into sections, called respectively Ametabola, Hemimetabola, and Holometabola.
1888 G. Rolleston & W. H. Jackson Forms Animal Life (ed. 2) 508 In the Hemi-metabola, the larva may differ notably from the adult in the structure of the antennæ, eyes, mouthparts..as well as in the absence of wings.
Derivatives
hemimetaˈbolic adj. of the nature of the Hemimetabola; undergoing incomplete metamorphosis.
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1875 C. C. Blake Zoology 281 In the hemimetabolic insects there is a metamorphosis, which consists of 3 stages.
hemimeˈtabolous adj. = hemimetabolic adj.
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1870 G. Rolleston Forms Animal Life Introd. 113 The adult insect, whilst gaining certain organs which the larva does not possess, such as wings, loses certain others, which the larva does possess, such as the provisional structures making up the ‘mask’ of the Libellulidæ..Such insects are called ‘Hemimetabolous’.
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hemimeˈtaboly n. incomplete metamorphosis.
This entry has not yet been fully updated (first published 1898; most recently modified version published online March 2019).
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n.1870