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Medicinal plants were used from past to present. Different small arthropods such as Acari were found on these plants. Therefore a study on the Acari fauna associated with some medicinal plants (Family: Asteraceae) in Hamedan region was carried out during 2008–2009. In this survey, 23 species belonging 18 genera from 15 different families of the subclass Acari were collected and identified. Two spotted spider mite (Tetranychus urticae Koch) was determined as an abundant phytophagous mite species in this study.

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Seed-eater eurytomids of the genus Bruchophagus Ashmead, 1988 were collected from Ardabil and Qazvin provinces in northwest Iran. Various host plants were collected and their seeds were kept in laboratory conditions from 2007 to 2012. Scope of this paper focused on the Bruchophagus species reared from seeds of Astragalus brachydontus Boiss (Fabaceae). We obtained six species of Bruchophagus including B. astragali Fedoseeva. They were B. saxatilis Zerova; B. mutabilis Nikolaskaya; B. nikolskayae (Zerova); B. turkestanicus Zerova, and B. robiniae Zerova. Of which, Bruchophagus saxatilis Zerova, is a new record for the Iranian fauna. New host associations were found for all collected species and it seems a complex biological association that was recorded for the first time. Currently, 11 species of Bruchophagus are occurred inassociated with seeds of A. brachydontus. All previously known species of the genus Bruchophagus in Iran are also tabulated.

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The seed-eater wasp, Bruchophagus verbasci (Erdös, 1969) comb. nov. (Hymenoptera: Chalcidoidea, Eurytomidae) is newly quoted from Iran. This species was originally described in the genus Eurytoma Illiger, 1807. Considering its morphological characters and the new finding of its biological association with some fabaceous plants, it was transferred to the genus, Bruchophagus Ashmead, 1888. It was redescribed and illustrated. Two fabaceous plant species, Astragalus brachydonatus Boiss. and Trigonella montana C. A. Mey. are revealed as host plants of B. verbasci for the first time. It is a new record for France, Morocco, and Turkey.

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One of the main concerns in the production and processing of fishery products is the issue of storage and increasing its shelf life. In this regard, this study aims to investigate the effect of chitosan-chia seed gum coating (2% and 1.5% of the sample weight, respectively) on some chemical properties (the amount of free fatty acids, peroxide, thiobarbituric acid index, volatile nitrogenous bases and pH). , microbial (number of Escherichia coli bacteria) and sensory of phytophagous fish during storage period (0, 3, 6, 9 and 12 days) was done at refrigerator temperature. The results showed that the amount of free fatty acids, peroxide, thiobarbituric index, volatile nitrogenous bases and the number of Escherichia coli bacteria in all the samples increased with the increase in storage time, and this increase was less intense in the samples coated with chitosan-chia seed gum solution. The findings indicated that with increasing storage time, the pH level increased in the uncoated samples, but in the coated samples, the pH level decreased at first and then increased. The sensory evaluation of the samples also revealed that the overall acceptance of the samples decreased with the increase in storage time and after the third day of storage, the coated samples received more points than the uncoated samples from the evaluators. Finally, this study showed that the use of chitosan-chia seed gum coating can help increase the shelf life of fish fillets in the refrigerator.