How Sunflower Pollen Reduces Parasites in Bumblebees

Helianthus annuus_Common Sunflower

Bumblebees are essential pollinators, but their populations are declining due to habitat loss, pesticides, climate change, and parasites. Among these threats is the gut parasite Crithidia bombi. This parasite can weaken bumblebee immune systems, reduce foraging efficiency, and even threaten colony survival. Recent research highlights sunflower pollen as a natural defense against C. bombi. Unlike […]