Monthly Archives: August 2025

Pasture Mealybug Update – 8-30-2025

The species of this mealybug has still not been determined. I expect to hear from the identifier soon, but these identifications can sometimes take longer because they want to be sure to get an accurate identification which may include DNA analysis. Several questions have been asked about how the mealybug can move from place to place. Mealybugs can move from plant to plant by crawling, but they will need help to move greater distances. This help comes from wind, animals, vehicles, and people. I have seen videos of… Read More →

Pasture Mealybug Update – August 23, 2025

Once we know the species, we should get a clearer picture on the biology of the mealybug which may lead to better understanding of how to manage the pest. I hope to hear from the identifier next week. In Australia, there are mealybugs that effect their pastures. The Australian pasture mealybug (Heliococcus summervillei) is responsible for what they call “pasture dieback.” The symptoms they describe are similar to what we are experiencing. While our mealybug may or may not be the same species, we can learn from their… Read More →

Mealybug Control in Pastures

A mealybug has become a problem in many pastures and hayfields of South Texas. On July 28, I sprayed an insecticide control test near near Nursery, TX with Victoria County Extension Agent, Kara Matheney. Yesterday, we visited the test to assess the control obtained in the treatments. We applied 5 insecticide treatments and left an untreated treatment. The test had four replications. Control was measured in two ways. First, we used a phone app to determine if there was differences in grass production. The second method to measure… Read More →