In Europe, Eurygaster integriceps is the most propagated one. The other species do not form numerous populations. Biology, ecology, damage method and control are similar to all 3 species, and they only present some morphological differences. Furthermore, we will elaborate around the Eurygaster integriceps species, which is the most spread in Europe. Distribution: The damage area of this pest goes on the outside of the European continent.
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Sunn pest – Eurygaster integriceps
Michaud was editor of this paper. Received Sep 3; Accepted Oct This article has been cited by other articles in PMC. Abstract The Sunn-pest, Eurygaster integriceps Puton Heteroptera: Scutelleridae , is the most important insect pest of wheat and barley in Iran.
Hibraoui M, Rev Path Veg. Horvath G, a. Beitrag zur Hemipteren - Fauna von Turkmenien.
EPPO Global Database
Ecology[ edit ] The adults mostly overwinter in leaf litter in woods but some find refuge among rough vegetation. There is only one generation each year so adults and nymphs can be found feeding together on the ripening grain. If the insects are not fully developed when the crop is harvested, some nymphs and young adults feed and mature on fallen grain and other crop residues before flying off to their winter quarters. The number of pests varies enormously from year to year and a significant attack may occur about once in every seven years, potentially causing yield losses worth tens of millions of dollars. While feeding, the sunn bugs inject proteolytic and amylolytic enzymes into the wheat causing breakdown of the gluten which reduces the quality of the flour resulting in the production of inferior dough. Various on-going research projects are taking place. This project aims to assess the economic thresholds for pest populations, the possible role of egg parasitoids and the possible use of pathogenic fungi to control the pests.
Received Nov 26; Accepted Jul 8. This article has been cited by other articles in PMC. Abstract The Sunn pest, Eurygaster integriceps Puton Heteroptera: Scutelleridae , is one of the most important pests of wheat and causes considerable damage to this valuable crop annually. Digestive proteinase activity of adult insects was investigated using general and specific substrates and inhibitors.