FB2026_03 , released September 17, 2026

CV Term Report

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General Information

Term

lethal - all die during first instar larval stage

ID (Ontology)

FBcv:0002006 (FlyBase CV)

Definition

A phenotype of a population that is the death of all animals in that population during the first instar larval stage.

Comment

Links to External Ontologies

Annotations

Records annotated with this term OR any of its CHILD TERMS

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Direct annotations: records annotated with this exact term (child terms are NOT included)

Data Class	Field	Direct annotations
Alleles (FBal)	PHENOTYPIC_CLASS
Insertions (FBti)	LETHALITY
Constructs (FBtp)	PHENOTYPIC_CLASS

Full annotation statements including this term (annotations to child terms are NOT included), and relevant FlyBase records

Full annotation statements	Relevant FlyBase reports
Full annotation statements	Alleles	Insertions	Constructs
lethal - all die during first instar larval stage (all annotations which use CV term, excluding "NOT" statements)
lethal - all die during first instar larval stage \| recessive			--

Spanning Tree (Parents/Children)

lethal - all die before end of larval stage
 |__lethal - all die during larval stage______________________
lethal - all die before end of second instar larval stage     |
 |__lethal - all die before end of first instar larval stage__|
majority die during larval stage                              |
 |__lethal - all die during larval stage______________________|
 |__majority die during first instar larval stage_____________|
some die during first instar larval stage                     |
 |__majority die during first instar larval stage_____________|
                                                              lethal - all die during first instar larval stage  86 rec.

Spanning Tree View Settings
Parents/Children View Depth	Show hierarchy levels: for parents, for children
Relationships
Is a	lethal - all die before end of first instar larval stage lethal - all die during larval stage majority die during first instar larval stage
Part of
Synonyms & Secondary IDs
Synonyms

Secondary IDs

External Crossreferences & Linkouts