حشرات بذرخوار گون‌های علوفه‌ای در مراتع استان همدان

The forage (Astragalus) from the Papilionaceae family is a valuable plants in Rangelands and mountainous areas. The species of this genus in Iran have a very high diversity, about 450 species of this genus are distributed in Iran and 65 species in Hamadan province. Many species of seed predator insects feed on the forage seeds and cause damaged in Rangelands. Many species of seed predator insects feed on the forage seeds and cause damaged in Rangelands.During the years 2014-2016, the seeds of forage species were collected from the Ranges of Hamadan province and their seed predators insects were separated and identified. Among the 115 examined seed samples of 20 forage species, 9 species wasps and 3 beetle species belonging to Bruchophagus (Eurytomidae)and Bruchidius (Chrysomelidae) were identified. Also, 10 forage species were introduced as new hosts for seed predator species and 10 species without damage were introduced in Hamadan province. Forage species of seed predators insects in Hamadan province include Astragalus angustiflorus C. Koch; Astragalus curvirostris Boiss.; Astragalus cyclophyllon Beck; Astragalus echinops Auch.; Astragalus hymnocalyx Boiss.; Astragalus ischredensis Bunge; Astragalus macropelmatus Bunge; Astragalus siliquosus Boiss.; Astragalus singarensis Boiss.; Astragalus vegetus Bunge.
The wasps identified in this study were: Brochophagous abnormis Zerova, 1984; Brochophagous astragali Fedoseeva, 1954; Brochophagous desertus Zerova, 1994; Brochophagous glycyrrhizae (Nikolskaja, 1952); Brochophagous gibbus (Boheman, 1836); Brochophagous kononovae Zerova, 1994; Brochophagous mutabilis (Nikolskaja, 1952); Brochophagous ponticus Zerova, 1994; Brochophagous turkestanicus Zerova, 1994.
The beetles identified in this survey were: Bruchidius astragali (Boheman, 1829); Bruchidius tragacanthae (Olivier, 1795); Bruchidius virgatus (Fahraeus, 1839)