Damselfly populations are being harmed by insecticides as researchers find the wildlife scourge of neonicotinoids continues to grow. Some chemicals in this group have already been banned by the EU but thiacloprid is still in widespread use. Similar chemicals in the neonicotinoid family have already been tied to severe decline in bee populations and now it appears the damage is more widespread. The team exposed caged and free-flying damselflies to realistic concentrations of the chemical in test ditches and found infected animals ate less, were less active and had a slowed reproductive growth rate. It was previously thought to only affect insects that eat the treated crop but Dutch scientists have found it has wider-reaching implications for various pollinators as well.