Spragšių (Coleoptera: elateridae) lervų rūšinė sudėtis ir gausumas agrocenozėse

Abstract

The survey was conducted in April-September 2018, in Lekėčiai eldership, Šakiai district. Research agrocenoses: wheat, organic wheat, perennial meadow, barley, organic barley, potatoes, organic potatoes. Soil samples are taken by digging 25x25x25 cm soil samples and larvae. Samples were taken in a homologated area of the test field, but no closer than 10 meters from the edge of the field. Take soil samples were poured onto dark-colored rug and turf or crushing clods carefully inspected for larvae. During the study at seven agrocenosis types 128 click-beetles were caught. Most larvae of click beetle are found in the perennial meadow, the least in the wheat field. There is a big difference between intensive and organic farming. Ecological, due to less soil cultivation, shows a higher number of click beetle larvae compared to intensive agriculture.