Photo of the week: white grubs

White grubs can vary in size from the smallest (black turfgrass ataenius, at less than 1/4 inch when full grown; seen in the upper right hand corner), to one of the largest (masked chafer, over 1 inch long when full gorwn; seen in lower left hand corner). But all share very similar habits and appearance. The larvae, or immature stages of scarab beetles, white grubs all feed underground, on plant roots. All have a brownish, hard head capsule, 6 legs,…