Definition of clypeus in English:

clypeus

nounPlural clypei ˈklɪpɪəsˈklɪpiəs

Entomology

A broad plate at the front of an insect's head.
〔昆〕唇基，额板
Example sentencesExamples
- The under-surfaces of the labrum and clypeus constitute the epipharynx.
- Their monophyly is undisputed, given the five elongate, stiff mouthpart elements forming a distinctive beak, and an enlarged clypeus.
- Although the clypeus and labrum of Reboursia exhibit a sphaeromatoid shape, it has a broad separation between the antennular basal articles.
- Antennae are placed midway between clypeus midpoint and lateral margin of head, projecting laterally along anterior margin of head.
- Reports that Achrysocharis species do not have a delimited clypeus are generally erroneous: the clypeus may or may not appear delimited based on the size and condition of the specimen.

Derivatives

clypeal

adjective

Entomology

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

Origin

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

Definition of clypeus in US English:

clypeus

nounˈklipēəsˈklɪpiəs

Entomology

A broad plate at the front of an insect's head.
〔昆〕唇基，额板
Example sentencesExamples
- The under-surfaces of the labrum and clypeus constitute the epipharynx.
- Although the clypeus and labrum of Reboursia exhibit a sphaeromatoid shape, it has a broad separation between the antennular basal articles.
- Reports that Achrysocharis species do not have a delimited clypeus are generally erroneous: the clypeus may or may not appear delimited based on the size and condition of the specimen.
- 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’.

词汇	clypeus
释义	Definition of clypeus in English: clypeus nounPlural clypei ˈklɪpɪəsˈklɪpiəs Entomology A broad plate at the front of an insect's head. 〔昆〕唇基，额板 Example sentencesExamples The under-surfaces of the labrum and clypeus constitute the epipharynx. Their monophyly is undisputed, given the five elongate, stiff mouthpart elements forming a distinctive beak, and an enlarged clypeus. Although the clypeus and labrum of Reboursia exhibit a sphaeromatoid shape, it has a broad separation between the antennular basal articles. Antennae are placed midway between clypeus midpoint and lateral margin of head, projecting laterally along anterior margin of head. Reports that Achrysocharis species do not have a delimited clypeus are generally erroneous: the clypeus may or may not appear delimited based on the size and condition of the specimen. Derivatives clypeal adjective Entomology It can be identified by its brown to black color, well-developed petiolar process, and no median clypeal tooth. Example sentencesExamples This genus is easily recognized by its sharply notched clypeal margin and the unique dorsellum. Above the clypeal arch are two lateral clusters of strong basiconic sensillae, but no definite antennary rudiments are to be seen. Origin Mid 19th century: from Latin, literally 'round shield'. Definition of clypeus in US English: clypeus nounˈklipēəsˈklɪpiəs Entomology A broad plate at the front of an insect's head. 〔昆〕唇基，额板 Example sentencesExamples The under-surfaces of the labrum and clypeus constitute the epipharynx. Although the clypeus and labrum of Reboursia exhibit a sphaeromatoid shape, it has a broad separation between the antennular basal articles. Reports that Achrysocharis species do not have a delimited clypeus are generally erroneous: the clypeus may or may not appear delimited based on the size and condition of the specimen. 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’.
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