Lower back tightness can cause muscle twitching, pain and reduced range of motion. Photo Credit Dirima/iStock/Getty Images. Lower back muscle tightness is the cause of a muscle spasm. This can be brought on by a strain, overuse or muscle weakness, according to BetterMedicine.com. If your lower back muscles lack strength, and a stronger back muscle pulls on this weak muscle, it can create tightness or pain. While lower back tightness can be managed at home, occasionally medical intervention is needed to treat this common condition. Rest your lower back muscles.
Wasp and Scale Insects Help Control Giant Reed. An arundo gall wasp deposits eggs into the main stem of a giant reed. (Image by USDA/ARS) The release of tiny insects to combat the invasive weed giant reed is paying off, according to a recent U.S. Department of Agriculture (USDA) study.
Fungus Gnats in House Plants: Fungus gnats lay their eggs in damp soil of plants that have been overwatered. When the eggs hatch, the immature gnats feed on decomposing, organic material in the soil. These gnats are attracted to fungus that grows in the soil of houseplants that have been overwatered (by aaron at dh).epending on the species, gnat eggs are laid on land or water. Larvae may be immobile or capable of movement by way of rocks and water plants. Adults range in size but usually are no larger than 33 mm. The larval and adult stages of the gnat are considered both beneficial and detrimental.