Barley-pest
Guides
Chlorops
grass flies, frit flies
Chlorops is a genus of small flies in the family Chloropidae, commonly known as grass flies or frit flies. Several species are significant agricultural pests of cereal crops. Chlorops oryzae (rice stem maggot) is a major pest of rice in Asia, causing 20-50% yield losses by larval feeding on developing leaves and young panicles. Chlorops taeniopus (gout fly) and related species damage barley and wheat in Europe. The genus exhibits geographic variation in voltinism, with some populations producing 2-5 generations annually depending on latitude and diapause patterns.
Eurygaster
sunn pest, sunn bug, tortoise shieldbug
Eurygaster is a genus of shield bugs in the family Scutelleridae, distributed across Eurasia with some species in North America. The genus includes several economically significant agricultural pests, particularly E. integriceps and E. testudinaria, known as sunn pests that damage cereal crops. Species identification within the genus is challenging due to morphological similarities among closely related taxa. The genus comprises at least 17 extant species plus one fossil species, with six species recorded from Russia.
Limothrips denticornis
barley thrips
Limothrips denticornis is a grass-dwelling thrips species with a Holarctic distribution. It is primarily associated with cereal crops, particularly spring barley, where females deposit eggs within leaf sheaths during inflorescence emergence. The species has been documented as an incidental nest parasite of birds and mammals, entering nests passively on grass nest materials. It has been recorded in museum environments as a secondary pest associated with damaged artworks.