So, they collected a bunch of rose leaves cut by the bees and identified ... which causes a disease called chalkbrood in leafcutter bees. If the Ascosphaera fungus ends up in bee nests, the ...

If you spot several leaves on plants that have perfectly circular pieces cut from their edges ... each year to prevent spreading diseases and mites. Squash Bees and Sunflower Bees: These two ...

When it isn't getting enough light, the plant can't use all of the water in the soil and root fungus and disease ... leaves are made by an appropriately named leaf cutter bee. Leaf cutter bees ...

that was consistent with damage produced by modern leaf-cutting bees. These bees cut and collect circular-shaped pieces of leaves and use them to build nest plugs for their larvae. You can find ...

particularly sawflies and leaf cutting bees. Trees defoliated by the leaf cutting ant usually are within sight of an ant nest and the ants themselves may be seen carrying leaves. Foraging trails ...