Evidence and symptoms of pasta infestation by Sitophilus oryzae (Curculionidae; Coleoptera) in the Czech Republic

摘要

Heavy infestation of pasta by the internally feeding pest Sitophilus oryzae (Coleoptera: Curculionidae) was recorded for the first time under field conditions in the Czech Republic. Symptoms of hidden infestation (eggs, larvae, pupae and adults) and a comparison of optical methods to detect them are described for the use by farmers, plant health and phytoquarantine inspectors. Photo-documentation is included.