The early evolution of successful twig mimicry in insects

Twig mimicry is most common and diversified in Phasmatodea (stick and leaf insects), a group of iconic models for understanding the evolution of camouflage and mimicry among insects. Extant stick and leaf insects exhibit ...

Stick insects produce bacterial enzymes themselves

Many animals depend on their microbiome to digest their food. Symbiotic microorganisms produce enzymes their hosts cannot, and these work alone or together with the animals' own enzymes to break down their food. Many plant-feeding ...

Stick insect's propulsion joint discovered

The stick insect is a popular model organism in biological research for gaining a better understanding of insect walking movements. The advantage of the stick insect is that the structure of its body parts and nervous system ...

How the stick insect sticks (and unsticks) itself

New research shows the fluid found on insects' feet does not help them adhere to vertical and inverted surfaces, as previously thought, but may in fact help them to unstick their feet more easily to allow greater control ...

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