Booklice have soft bodies and chewing mouthparts. Their back legs are thicker and stronger appearing than their other four but they cannot jump. Instead of jumping, they run very quickly. Nymphs look like the adults except smaller and are always wingless. Biology. The life cycle of the booklice is weather dependent.
There's a difference in the shape with cockroach nymph being cylindrical in shape and bed bug having a short, oval or apple-seed shape. Exposure to cockroach nymphs can cause asthma and therefore trigger asthma attacks. 3. Booklice: These are found in a variety of color ranging from gray to translucent white or brown.
Booklice. Booklice are specifically mistaken for bed bug nymphs. Both range in color from translucent to brown or gray. However, booklice are found in different areas. They live under wallpaper but also on windows and window sills. Booklice feed on pollen, fungi, dead insects, and mold.
Bed bugs are a type of insect that feed on human blood, usually at night. Their bites can result in a number of health impacts including skin rashes, psychological effects and allergic symptoms. Bed bug bites may lead to skin changes ranging from invisible, to small areas of redness, to prominent blisters.
Bed bugs nymphs have less elongated body compared to the body of the booklice which also has three segments. The head is also pronounced and unlike bed bug which appears not to have a neck, booklice nymphs have a clear cut neck. Booklice in Rice or Flour. As noted earlier, booklice do not pose any significant risk to animals and plants.
Both book lice and bed bug nymphs are light colored but bed bug nymphs have a less elongated body. Bed bug nymphs don't look like they have a neck, whereas book lice do. Bed bug nymphs are clear but will become red when they have fed. If you find a book louse, don't worry — they are common in homes and don't usually pose a problem.