anteclypeusn.
/ˌantᵻˈklɪpɪəs/, U.S. /ˌæn(t)əˈklɪpiəs/ Entomology.
In the mouthparts of some insects: the lower section of a divided clypeus, situated between the postclypeus and the labrum. Cf. rhinarium n. 1a.
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the world > animals > invertebrates > phylum Arthropoda > class Insecta > parts of insects > [noun] > head > mouth-parts or trophi > clypeus
nasus1826
clypeus1831
anteclypeus1883
1883 A. S. Packard in Amer. Naturalist 17 821 The clypeus is often divided into two portions, a posterior (post-clypeus) and anterior (ante-clypeus); in the other and higher orders the clypeus is entire.
1944 R. Matheson Entomol. for Introd. Courses iv. 81 In front of the clypeus is another sclerite which is normally a part of the clypeus and is therefore called the anteclypeus.
2008 Zoology 111 91 Anterior part of clypeal region unpigmented (anteclypeus), separated from posterior part by transverse impression.
This entry has been updated (OED Third Edition, March 2016; most recently modified version published online December 2021).
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n.1883