A glass frame with 3 different species of Mormolyce insects.
Mormolyce castelnaudi, Mormolyce hagenbachi and Mormolyce phyllodes. Due their peculiar shape they are known as Violin insects. They all came from Malaysia, where they live in rain forest.
Both adults and larvae are predators, feeding on insect larvae. For defense purposes, they secrete the poisonous butyric acid the eject and cause paralysis, even in humans.