About Mesopsocus unipunctatus (Müller, 1764)
Scientific name: Mesopsocus unipunctatus (Müller, 1764).
Description: This species typically has a greyish or light body color, with one or two distinct transverse stripes across the abdomen. The remainder of the body is covered in irregularly scattered dark mottled markings. It is flightless, and its antennae are almost twice as long as its entire body. Adult body length ranges from 2.5mm to 3.7mm.
Range: This species occurs frequently in Great Britain and Ireland. It is also found in Bulgaria, Hungary, Latvia, Poland, Romania, and most of Western Europe, excluding Greece. Additional introduced or native populations exist across North America, found throughout both Canada and the United States.
Habitat and feeding: This species feeds on a wide variety of trees, including alder, ash, beech, birch, blackthorn, cedar, elder, elm, gorse, hawthorn, hazel, juniper, maple, larch, oak, pine, sea buckthorn, sycamore, and yew. It also feeds on apples, bramble, pears, plums, and snowberries.