What do the white curl grubs, the larval stage of Christmas beetles, primarily feed upon?
Answer
Roots of grasses and turf
The survival and development of the Christmas beetle species depend heavily on the environment chosen by the egg-laying female, which differs significantly from the adult diet. The larval stage, commonly identified as white curl grubs, inhabits the soil beneath the surface. Their essential food source consists entirely of organic matter found in the ground, specifically targeting the living roots associated with grasses and turf areas. This means that a lush, well-maintained lawn situated near suitable host trees creates the ideal habitat necessary for the grubs to mature.

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