In the research done in year 2018, we took samples of cereal pests and their natural enemies on different sample locations in Slovenia. The results of samples of cereal pests, their natural enemies and parasitoids were presented tabulary. Two types of cereal aphids were found in our research – Sitobion avenae and Rhopalosiphum padi, first one being the more frequent. 11 different natural enemies of cereal aphids were found with parasitoid Aphidius uzbekistanicus being the most frequent one found. Among secondary parasitoids, Pachyneuron muscarum was sampled most frequently. Beside two types of cereal aphids we also found 7 other types of cereal pests. The connections between different trophic levels were presented with the help of two trophic webs – first one represents the results of cereal aphids and their natural enemies and secondary parasitoids. Second trophic web represents the results for other cereal pests and their natural enemies found in our research. The trophic web for cereal aphids was more complex in comparison to the second trophic web.
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