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The Multi-Week Lockup
Some stick insects remain coupled during mating for up to 10 weeks — among the longest mating sessions of any animal.
Stick Insect
Phasmatodea
These masters of camouflage hold the record for the longest mating sessions in the insect world.
Vital Stats
🏷️ TypeInsect (phasmid)
🌍 Found InTropical and temperate regions worldwide — forests, bushes
📏 Size1-60cm depending on species
⏳ Lifespan1-3 years
🔞 Sexual Maturity3-6 months
💕 Mating SystemMales guard females; some species are all-female (parthenogenetic)
📅 Mating SeasonSpring through fall
👶 Offspring100-1,300 eggs scattered on forest floor
🍆 Penis Size4.0 mm
⏱️ Sex Duration79 days
🔬 Notable AnatomyMating can last up to 79 days continuously — longest of any animal
⚖️ Sexual DimorphismFemales larger and heavier; males often have wings