Wild Dragonfly and Damselfly Welfare

Dragonflies and damselflies are ancient insects with complex hunting behaviour and extended aquatic larval stages. While their capacity for welfare-relevant suffering is uncertain, habitat loss threatens the ecological niches they occupy and raises welfare considerations.

Key Facts

The UK has 57 species of dragonfly and damselfly, many of which have declined significantly due to habitat loss
Aquatic larvae (nymphs) spend 1-5 years in ponds, streams, and ditches before emerging as adults
Larvae are voracious predators that form important links in aquatic food webs
Acid rain, agricultural runoff, and drainage of wetlands have caused widespread population decline
The range of many southern species is expanding northward with climate change
Dragonfly larvae are susceptible to introduced fish predation in ponds where fish have been stocked
The banded demoiselle and broad-bodied chaser are two species that have expanded into garden ponds
Creating and maintaining wildlife ponds supports dragonfly breeding populations in suburban areas

Welfare Considerations

Whether dragonflies and damselflies have welfare-relevant experiences remains scientifically uncertain given their relatively simple nervous systems. However, they are sophisticated predators with complex navigation and mating behaviour suggesting some degree of integration beyond simple reflexes. From a precautionary welfare perspective, the protection of their habitat and prevention of mass mortality events has value. Their ecological role in controlling mosquitoes and other insects while supporting food webs is unambiguous.

What You Can Do

Create a wildlife pond in your garden to provide dragonfly breeding habitat
Avoid introducing fish to wildlife ponds as they heavily predate dragonfly larvae
Support local nature reserves and wetland creation projects that benefit odonates
Participate in dragonfly and damselfly recording schemes to support population monitoring