FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
Help Close All Open All
General Information
Term prepupal stage P4 ID (Ontology) FBdv:00005346 (Fly Development)
Definition Prepupal stage P4 begins as the lateral trunk trachea become obscured and ends when the imaginal head sac is everted and the oral armature of the larva is expelled. Duration at 25 degrees C: approximately 5 hours, 30 minutes. (126.75-132.2 hours after egg laying; 6.75-12.2 hours after puparium formation).[ FlyBase:FBrf0036849 FlyBase:FBrf0048355 ]
Also Known As "cryptocephalic pupa" ; "pupal stage P4"
Comment
Links to External Ontologies
Annotations
Records annotated with this term OR any of its CHILD TERMS
Records annotated with this exact term (annotations to child terms are NOT included)
Data Class Field Records
Insertions (FBti)  EXPRESSION_STAGE_TISSUE_POSITION      60
show Full annotation statements including this term (annotations to child terms are NOT included), and relevant FlyBase records
 Full annotation statements 
Relevant FlyBase reports
 Alleles Genes Images Insertions Constructs
 prepupal stage P4 (all annotations which use CV term, excluding "NOT" statements)       --     294      2     60     83
     abnormal neuroanatomy | prepupal stage P4       1       --       --       --       --
     abnormal size | prepupal stage P4       1       --       --       --       --
     fat body | prepupal stage P4       1       --       --       --       --
     head | prepupal stage P4       1       --       --       --       --
     midgut | prepupal stage P4       1       --       --       --       --
     neuropil | prepupal stage P4       1       --       --       --       --
Spanning Tree (Parents/Children)
Only view relationship:
  developmental stage
   |__prepupal stage P4  477 rec.
Spanning Tree View Settings
Parents/Children
View Depth
Show hierarchy levels: for parents, for children
hide Relationships
Is a developmental stage
Part of
Substage of prepupal stage
hide Synonyms & Secondary IDs
Synonyms
Secondary IDs
hide External Crossreferences & Linkouts