Q: When do agave weevils turn into grubs so I can time the treatment to the soil with a pesticide at the correct time? A: Agave weevil control is done from about the middle of April until the middle ...

Q: I am reaching out for help to figure out what is going on with a few of our Argentine saguaros. We have six of these saguaros planted on the east side. They were planted in March 2021 and have ...

So your large agave plant suddenly looks like it's wilting. It could just mean I've made it my home. I'm the agave weevil, or Scyphophorus acupunctatus. As an adult, I am a black bug, about an inch ...

The agave weevil is the plant’s main pest, and it is easy to spot. The weevils are about an inch long and black, and they chew holes in the fleshy part of the agave leaf. Then they lay eggs in the ...

Scientific inspiration can strike anywhere—even at a restaurant bar in Oaxaca, Mexico. That’s where a team of insect researchers decided to use DNA sequencing to identify what larva lurks in bottles ...