Hornet wasp or Vespa orietalis is one of the social and stinging insects of Iran that makes its nest mostly in the holes and cracks in the ground. Given the point that no study has been conducted in this case, yet, in this study, the nests of this arthropod are studied in four mountainous and plain areas in Kashan. Present study was of descriptive type and during it four nests of V. orientalis in four agricultural, residential, administrative and mountainous regions were identified and studied. The identification of the nests of these animals was done on the basis of observation abundance of this wasp around the nests, defense and the existence of definite tumulus in farmlands from May to September 2016-2-17. Tumulus, the nest of V. orientalis was irregular in farmland and imperceptible in residential and mountainous regions. The entrance of the nests in the soil was 3 × 5 cm. The nests of this hunter wasp were in the regions where a large number of its feeding arthropods were active. This study showed that the red wasps feed on cockroaches in residential regions, Schirasi woodlouse (Hemilepistus schirasi) and the larvae of butterflies in agricultural lands, and honey bees, larvae of butterflies and other insects in other regions. The results of this study revealed that the nests of V. orientalis as an opportunistic arthropod are seen in different places and if needed, this animal cleans the nests and to some extent it is a builder, occupier or tenant of the nest. The existence of this animal that nests in human habitats causes danger especially for children.
Solpugids are an order of hunter arthropods. They do not have poison glands or sting, but they can hunt animals larger than themselves using their powerful and large chelicerae. Due to their aggressive behavior and scary look, solpugids cause fear and horror in humans. Given the importance of solpugids in terms of causing fear, discomfort and the possibility of infection in case of biting, determining its species was noted in Kashan. This study was a descriptive research. Sixty five specimens of solpugids collected from homes and dormitories in Kashan City by hand-collecting method and were transferred to laboratory. All specimens had been collected from public and commuting places. The collected solpugids were preserved in 70% ethanol and were identified using special and valid keys under stereomicroscope in the laboratory. It was shown that at least 3 species of solpugids from Rhagodidae, Galeodidae and Gylippidae families exist in Kashan. Among 65 solpugids collected, 51% were identified Galeodes caspius, 41.5% Gylippus lamelliger and 7.5% Rhagodes melanochaetus. At least 3 species of solpugids live in 3 families in Kashan that sometimes penetrate the houses and dormitories. Thus, it is recommended that citizens be trained about the importance of these animals in ecosystem and that they know that these animals are not toxic.
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