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mealybug

  • Updated Resource List for Pasture Mealybug

    Lisa Baxter, Ph.D.

    Four-panel image showing pasture mealybugs on a grass stem (A) and progressive pasture damage, from browning of individual grasses (B) to large areas of brown grass (C) and severe grass loss with exposed ground (D).

    The pasture mealybug (Heliococcus summervillei; Figure 1) was first officially reported in Texas in 2025. The adults are less than 1/4 inch long, white, and oval. They are covered in a waxy coating and will have fine hairs across their body. They primarily impact annual and perennial warm-season grass species. The damage consists of yellowing,…

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