Scientific expedition of the Institute of Medical Parasitology and Tropical Medicine to the Irkutsk region

August 1-18, 1975. USSR. Irkutsk Region. Senior researcher of the Moscow Institute of Medical Parasitology and Tropical Medicine named after E. I. Martsinovsky A. M. Tulupova during the determination of the number of mosquitoes per square meter of taiga near the village of Magistralny in the Kazachinsko-Lensky District using a special bell during the IMPiTM scientific expedition with the aim of developing effective measures to combat blood-sucking insects in the area of the construction of the Baikal-Amur Mainline. The exact date of the photo is unknown. Edgar Bryukhanenko/TASS