Halictidae belongs to the most vast species Andrenidae types of bees. The number rejested species counts to 2000. The formation of the Halicidae took place in the Cretaceous period soon after the emergenss of florescence plants. All the Halicitidae nest in the ground except for some types of American types that nest in the rotting free Halicitidae. As a whole Halictidae is a polytrop group. Many of the species are known as important pollinizer of lucerne, fruiting plants cereals, industrial crops, forage crops, gourd plantation, sunflowers, cotton, etc. They pollinise over 150 types of florescence plants. They are well investigated in Germany, Ukraine the Lower part of the river Don. The investigation of bees (Halictidae) in the Caucasus started in the second half of the XIX c. The investigation was intensified in the late 60-es. In Caucasus there are 83 species Halictidae. They belong to 3 subfamilies, 1 trib and 8 genera.