Between parasites, fungus, pesticides – bees are clearly having a hard time, these days. Now research from the Netherlands points to another factor in the decline of native bee populations: declining wildflower numbers and diversity.

The researchers started by analyzing the pollen found on bee specimens from museums. Their findings led them to conclude that the decline in wildflowers, due to intensified farming, has robbed many species of bee of crucial food sources. Ars Technica has more: