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.
Monarchs have many natural enemiesâpredators, parasitoids, and parasites can harm monarch eggs, larvae, pupae, and adults.Predators such as spiders and ants attack eggs and young larvae feeding on milkweed, whereas birds and wasps can prey on adult monarch butterflies.Parasitoids are specialized insects such as small flies and wasps that lay eggs on or inside other insects.onarchs have many natural enemiesâpredators, parasitoids, and parasites can harm monarch eggs, larvae, pupae, and adults.