Two Asian mantis species just got Europe’s harshest invasive label — and the reason involves cannibalized native males, vanishing pollinators, and a warming climate quietly opening the door north

Two large Asian praying mantis species have established breeding populations across parts of Europe. The insects are reportedly eating native pollinators, killing native mantis males during mating, and pushing steadily northward as warming climates open new territory. The species — Hierodula tenuidentata and Hierodula patellifera — have been present on the continent for roughly a decade. Their numbers have surged only recently, and biologists now say the window for containment through...