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They have been used in companion planting as pest control in agricultural and garden situations, and in households. Certain plants have shown effectiveness as topical repellents for haematophagous insects, such as the use of lemon eucalyptus in PMD, but incomplete research and misunderstood applications can produce variable results. [1]
Cutworms are moth larvae that hide under litter or soil during the day, coming out in the dark to feed on plants. A larva typically attacks the first part of the plant it encounters, namely the stem, often of a seedling, and consequently cuts it down; hence the name cutworm. Cutworms are not worms, biologically speaking, but caterpillars.
Both overwinter in the egg stage in the soil. Eggs, which are deposited in the soil during the summer, are American football-shaped, white, and less than 0.004 inches (0.10 mm) long. Larvae hatch in late May or early June and begin to feed on corn roots. Newly hatched larvae are small, less than .125 inches (3.2 mm) long, white worms.
Vermicomposting uses worms to decompose waste and make nutrient-rich "worm manure". Vermicompost (vermi-compost) is the product of the decomposition process using various species of worms, usually red wigglers, white worms, and other earthworms, to create a mixture of decomposing vegetable or food waste, bedding materials, and vermicast.
The white worm beetle has a distinct appearance due to its long body, usually measuring between 11.8 to 18.2 millimetres (0.465 to 0.717 in) long, and 5.8 to 10.8 millimetres (0.228 to 0.425 in) wide across the shoulders.
The younger larvae are thin white caterpillars with numerous small black spots. As the larvae mature they become plump and darker in color and they lose their spots. The larvae tuck themselves into crumpled dead leaves to pupate for 8 to 10 days. The life cycle varies by environmental conditions ranging from 22 to 55 days.