with those species that are parasitoids (genus Aleochara).

Rove beetles of the genus Stenus are specialist predators of small invertebrates such as springtails (Collembola). Their labia can shoot out from the head using blood pressure. The thin rod of the labium ends in a pad of bristly hairs and hooks and between these hairs are small pores that exude an adhesive glue-like substance, which sticks to prey.

Meanwhile,

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