Valenzuela flavidus is a species of Psocoptera from Caeciliusidae family that can be found in the United Kingdom, and sometimes Ireland. They are also common in Austria, Azores, Belgium, Bulgaria, Canary Islands, Croatia, Denmark, Finland, France, Germany, Greece, Hungary, Italy, Latvia, Luxembourg, Norway, Poland, Portugal, Romania, Spain, Sweden, Switzerland, and the Netherlands. It is also widespread in Near East. The species are yellowish-black coloured.

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