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clypeus

Syllabification: clyp·e·us
Pronunciation: /ˈklipēəs
 
/

Definition of clypeus in English:

noun (plural clypei /ˈklipēˌī, -ēˌē/)

Entomology
A broad plate at the front of an insect’s head.
Example sentences
  • Although the clypeus and labrum of Reboursia exhibit a sphaeromatoid shape, it has a broad separation between the antennular basal articles.
  • Their monophyly is undisputed, given the five elongate, stiff mouthpart elements forming a distinctive beak, and an enlarged clypeus.
  • Antennae are placed midway between clypeus midpoint and lateral margin of head, projecting laterally along anterior margin of head.

Origin

mid 19th century: from Latin, literally 'round shield'.

Derivatives

clypeal

1
adjective
Example sentences
  • This genus is easily recognized by its sharply notched clypeal margin and the unique dorsellum.
  • It can be identified by its brown to black color, well-developed petiolar process, and no median clypeal tooth.
  • Above the clypeal arch are two lateral clusters of strong basiconic sensillae, but no definite antennary rudiments are to be seen.

Definition of clypeus in:

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