Question: My azaleas suddenly started losing their leaves. I saw some small, green things that look like caterpillars on the branches, but after spraying them with Bacillus thuringiensis, they are ...

It is remarkable how, after our prolonged heat, a few late rains and cooler temperatures have triggered roses to resume blooming. It is as if the roses, in defiance of a frost that is just a few weeks ...

Question: Something is cutting semicircles in the edge of my rose leaves. What is it and do I need a control? Answer: Neatly cut and removed semicircles of leaf sections from rose and other foliage is ...

Q: My cherry laurel tree looks like somebody has gone after it with a paper punch. It has round holes around the edges of its leaves. What does that, and how do I stop it? A: That's damage of the leaf ...

It appears the leaf damage could have been caused by a leaf cutter bee. Females of that insect cut perfect semi-circles off the edges of leaves. Without eating any of the leaf tissues, they use those ...

Q. Today I found two big green caterpillars eating my tomato plants. They had completely stripped the leaves from several stems. How can I stop this damage in the future? Despite their large size, the ...

LOGAN, UTAH, USA -- Plastic has become ubiquitous in modern life and its accumulation as waste in the environment is sounding warning bells for the health of humans and wildlife. In a recent study, ...

The orchards, gardens and natural areas of the Yakima Valley depend on pollinators to flourish. Managed hives of non-native honeybees pollinate the orchards. After blossom drop, these hives are moved ...

Like most bees, this leaf-cutting bee, Megachile brevis, is solitary, with each female building her own nest cells out of bits of leaves and petals without the help of a worker caste. These bees earn ...

A leaf-cutter bee carries a piece of a leaf it's cut to build a nest cell for its offspring. Utah State University scientist Joseph Wilson says the bees may be using plastic waste in place of natural ...

A rare, elusive bee that is endemic to the Bay Area has turned up on Mount Tamalpais in its first documented sighting in nearly 45 years. The San Francisco leaf-cutter bee, also known as Trachusa ...

Scientists have noted instances of leaf-cutter bees using plastic waste to construct their nests and one research group suggested such behavior could be an 'ecologically adaptive trait' and beneficial ...