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Asiatic Garden Beetle: Grubs are the larval stage of quite different-looking mature insects. Those most common in lawns are larvae of the Japanese Beetle, Asiatic Garden Beetle, Oriental Beetle, May or June Beetle and European Chafer.
Keep a sharp lookout for them. If you do not, your first knowledge of their presence may come when the grass dies in patches as though it lacked moisture and you find that you roll up the unanchored sod like a carpet. It is unanchored because its roots have been chewed off.
Dark brown, somewhat flat beetle, little more than an inch long.
Light golden brown, hard-shelled, about 1% inches long; resembles wire-worm, a common garden pest.
Naked; all parts of adult beetle visible.
Mummylike appearance; all parts of adult beetle visible; appendages folded forward onto undersurface of body
The adult beetle obtains air as it projects the tip of its abdomen through surface film of water. It lifts the tips of the elytra slightly, which allows air to rush under them. Fine hairs which cover the back of the beetle hold the air which can then readily be taken into the body through the spiracles or breathing pores. In this manner the beetle is able to carry a supply of air that will last for some time.
Throughout United States
Ponds and pools with abundant vegetation; often with predaceous water beetle; also found under electric lights on warm summer evenings |
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