So far the limited knowledge about diet of omnivores and generalist predators in olive groves has not allowed clarification their role as natural enemies. Stable isotope (δN15 δC13) analysis is a useful tool for predicting trophic position high number species, variety basal resources flux energy food web. We have explored possible consumers two important pests grove: adults Prays oleae Bern (Le...

Eight species of Haplodrassus are recorded from Crimea: Haplodrassus bohemicus Miller & Buchar, 1977; Haplodrassus dalmatensis (L. Koch, 1866); Haplodrassus isaevi Ponomarev & Tsvetkov, 2006; Haplodrassus minor (O. P.-Cambridge, 1879); Haplodrassus kulczynskii Lohmander, 1942; Haplodrassus pseudosignifer Marusik, Hippa & Koponen, 1996; Haplodrassus signifer (C.L. Koch, 1839) and Haplodrassus um...

According to a recent global literature survey, total of 39 out the 129 known spider families (∼30%) contain species capable capturing vertebrate prey. The finding that percentage engaged in predation is so high novel. Two groups vertebrate-eating spiders are distinguished: “habitual vertebrate-eaters” vs. “occasional vertebrate-eaters”. habitual vertebrate-eaters comprise ten (Araneidae, Atrac...