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单词 pronymph
释义

Definition of pronymph in English:

pronymph

noun ˈprəʊnɪmf
Entomology
  • 1In certain holometabolous insects (e.g. sawflies): an individual in a distinct larval or prepupal stage in which larval tissue is broken down and adult tissues begin to be formed within the larval cuticle.

  • 2In hemimetabolous insects: an individual in the stage of late embryonic development immediately preceding the moult into the first nymphal instar, which in some groups (e.g. dragonflies) persists for a brief period after hatching from the egg.

Origin

Late 19th century. From pro- + nymph.

 
 

Definition of pronymph in US English:

pronymph

nounˈprəʊnɪmf
Entomology
  • 1In certain holometabolous insects (e.g. sawflies): an individual in a distinct larval or prepupal stage in which larval tissue is broken down and adult tissues begin to be formed within the larval cuticle.

  • 2In hemimetabolous insects: an individual in the stage of late embryonic development immediately preceding the moult into the first nymphal instar, which in some groups (e.g. dragonflies) persists for a brief period after hatching from the egg.

Origin

Late 19th century. From pro- + nymph.

 
 
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更新时间:2024/11/10 19:35:34