Biodiversity of Coleoptera (Insecta) in Khvalynsky National Park (Saratov Region, Russia)

(1) Background: Coleoptera is one of the most diverse insect lineages. The beetle species live in many ecosystems around globe and their roles are very diverse; thus, it important to know local regional fauna varieties, especially for protected areas, such as nature reserves national parks. (2) Methods: materials were collected from territory Khvalynsky National Park (European Russia, Saratov region), mainly over last 30 years (1994–2022). beetles using different means (manual collection; use soil traps, fermental crown Malaise traps; light fishing; sweeping with an entomological net on plants under water, etc.). (3) Results: dataset presents data 914 subspecies 67 families found Park. number studied specimens was 7445. Four (Cerylonidae, Byturidae, Phalacridae, Sphindidae) 95 recorded first time. Thirty-two region (4) Conclusions: general biodiversity includes 1203 71 families.