Eusociality

Table of Contents

Eusociality

Definition

Hymenoptera:ants, bees and wasps

Ants show caste polymorphism

Isoptera - all termites

Social aphids

Gall-forming thrips

Carribean snapping shrimp

Naked mole rats

Social spiders

Why worker sterility?

Haplo-diploidy and relatedness

Why worker sterility? Kin selection

Worker policing in honeybees

Why worker sterility? Parental manipulation

Sex ratio investment

Factors promoting eusociality

Routes to sociality

Paper wasps, often single foundress

Swarm founding wasps

Inbreeding-outbreeding cycles in termites

Inbreeding in mole rats?

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