Biology of depression. Scientific studies have found that numerous brain areas show altered activity in patients suffering from depression, and this has encouraged advocates of various theories that seek to identify a biochemical origin of the disease, as opposed to theories that emphasize psychological or situational causes.
1 They eat the roots and stems of small and young plants which can cause disease and kill the plants. 2  An often over looked problem that grubs cause is they attract other pests. 3  Many animals eat grubs and that can damage your lawn as well.
Use GrubEx only once a year, in the spring through early summer, before insect eggs hatch. GrubEx is a granular product that you can apply to your lawn by using a rotary or drop spreader, at the rate of 2.87 pounds per 1,000 square feet of turf.rubEx controls beetles and chafers plus numerous pests other than grubs, such as caterpillars and weevils. Caterpillar larvae include cutworms, armyworms and sod webworms. Weevils, such as billbugs, also produce white grubs, but they characteristically have no legs compared to other white grubs.