Not only do they cause no harm, but many consider bark lice to be beneficial. They are scavengers that feed on fungi, mold, algae, dead bark, and other organic matter. As such, management of these tiny critters is discouraged; enjoy the tiny temporary clean-up crew while you have them. No chemical freak-out necessary!
Do bark lice bite?
But as specialists from North Carolina State University confirm, psocids “do not bite or transmit disease.” Instead, these pests use this anatomy, as well as their mandibles, to feed on small particles of organic material.
Can bark lice fly?
They have long antennae, broad heads and ‘bulging’ eyes. They feed on algae, lichens, fungi and various plant products, such as pollen. Barklice may grow up to 10 mm in length, though they’re usually less than 6 mm , and the adults are often winged.
How do you get bark lice?
The critters only measure about 1 to 10 millimeters in length and resemble aphids. However, unlike aphids pests, they do not pose a threat to plants. The telltale sign of bark lice is the development of webbing on the bark of the tree and a large cluster of shiny little insects.
How long do bark lice live?
1-4 months
Barklice hatch from eggs in about 2-4 weeks after eggs are laid. Young will go through 2-4 nymphal stages to reach adulthood which takes another 2-3 months. Once mature, females can generate 50-100 eggs during her life and as an adult she would expect to live 1-4 months.
Are Booklice harmful to humans?
They are not harmful to humans. Unlike true lice, they do not feed on blood. This gives them no desire to bite humans.
Are bark lice beneficial?
These insects pose no threat to the health or vigor of the tree. The presence of barklice indicates that a suitable habitat for them exists. They are viewed as beneficial insects since they eat fungus and other organic debris.
Where do bark lice live?
Barklice are small soft-bodied insects that occur outdoors on plants, on rocks, and in the soil and none are vertebrate parasites, unlike true lice. Many species have two pairs of well-developed wings in the adult stage, but the adults of many other species have strongly reduced wings, or none at all.
How do you treat bark lice?
Texas Agrilife Extension explains that spraying soapy water or insecticide on the web areas can kill the bark lice. Breaking the web or spraying with just water might instigate the insects to rebuild an even bigger web.
Are booklice bad?
No. They are not harmful to humans. Unlike true lice, they do not feed on blood. This gives them no desire to bite humans.
What do bark lice eat?
Most psocids live outdoors and have wings and are known as barklice. They are found on tree bark, leaves of trees and shrubs, and under stones. They can become obvious when they assemble in large numbers. Barklice feed on fungi, lichen, pollen, decaying plants and other organic material.
