2020. 28 (1)


About authors:

Alexander A. Khaustov, X-BIO Institute, Tyumen State University, Tyumen, Russia
Ivan A. Kerchev, X-BIO Institute, Tyumen State University, Tyumen, Russia
Institute of Monitoring of Climatic and Ecological Systems, Tomsk, Russia


We thank A. A. Gubin (Tyumen State University) for preparing the SEM photographs. We also thank Dr. Omid Joharchi (Tyumen State University) for helping with the identification of mesostigmatic mites. The study was supported by the Russian Foundation for Basic Research (RFBR), research project No. 20-04-00587.


The small spruce bark beetle Ips amitinus has recently been found in two West Siberian regions: Tomsk and Kemerovo. Here, we collected and identified the mites associated with I. amitinus that naturally colonized branches and twigs of Siberian pine, Pinus sibirica, in Western Siberia, Russia. Five mites species were revealed: Dendrolaelaps quadrisetus (Digamasellidae), Proctolaelaps hystricoides (Melicharidae), Iponemus leionotum and I. asiaticus (Tarsonemidae), as well as Ereynetes (Huntereynetes) sp. (Ereynetidae). Interestingly, phoresy of two species of Iponemus was observed on one host beetle. Three of the five species are known predators and parasitoids of eggs or larvae of bark beetles and could be targeted for biological control of I. amitinus in Russia.

DOI: 10.21684/0132-8077-2020-28-1-39-46


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