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.
The commonest goldenrod gall is a round gall in the middle of a stem called a ball gall, made by the Goldenrod Gall Fly, Eurosta solidaginis. In spring, the female fly lays her eggs on goldenrod stems. When the larvae hatch, they chew their way into the stems and galls start to develop. very different type of gall is made by a tiny fly called the Goldenrod Gall Midge, Rhopalomyia solidaginis. The gall is a tight cluster of small leaves at the top of a stalk that resembles a green flower and is called a bunch gall, rosette gall or flower gall.