Essays about: "Coleoptera"

Showing result 1 - 5 of 32 essays containing the word Coleoptera.

  1. 1. Vilken metod är effektivast för fångster av fyrtandad rapsvivel i kål och raps?

    University essay from SLU/Dept. of Ecology

    Author : Anton Sandmark; [2023]
    Keywords : fyrtandad rapsvivel; Ceutorhyncus pallidactylus; raps; Brassica napus; kål; Brassica oleracea; IPM; fångstmetoder; gulskål; gul klisterfälla;

    Abstract : Odling av frilandsgrönsaker står inför många utmaningar. För svenska kålodlare har det på senare år uppkommit problem med skadegöraren fyrtandad rapsvivel, Ceutorhynchus pallidactylus (Marsh.) (Coleoptera: Curculionidae). Larverna av C. READ MORE

  3. 2. Emergence patterns of Ips typographus and Medetera spp. after overwintering in killed spruce trees

    University essay from SLU/Dept. of Ecology

    Author : Oliver Morén James; [2023]
    Keywords : Ips typographus; Medetera; M. signaticornis; M. pinicola; M. ambigua; emergence patterns;

    Abstract : Ips typographus (Coleoptera: Curculionidae, Scolytinae) is a pest species that mainly attacks Norway spruce (Picea abies L. Karst.) and can kill large volumes of spruce trees during outbreaks, leading to economic losses of great magnitude. A common practice to manage attacks is to remove recently killed trees and thereby remove the beetles. READ MORE

  4. 3. Carabidocoenoses and Fragments of Forests : exploring the Carabid Landscape

    University essay from SLU/Dept. of Forest Ecology and Management

    Author : Simon Heinrich Arns; [2023]
    Keywords : biodiversity; Carabidae; carabid diversity; entomology; Fragmentation; Fragstats; habitat fragmentation; habitat Heterogeneity; landscape; landscape ecology; landscape Heterogeneity; pitfall trap; quantifying fragmentation;

    Abstract : Epigeic ground beetles (Coleoptera: Carabidae) were sampled between 2021-06-28 and 2021-07-09 using pitfall traps in the Swedish counties Värmland and Gävleborg. The structural properties of the landscapes surrounding these points were estimated from the Swedish Environmental Protection Agency’s national land cover databases and the Swedish Forest Agency’s data for all formally protected and high conservation value forests using patch-based configurational metrics. READ MORE

  5. 4. GIS-based planning support tools for biodiversity in Stockholm municipality : Targeting connectivity of potential oak habitat

    University essay from KTH/Hållbar utveckling, miljövetenskap och teknik

    Author : Jenny Forsberg; [2023]
    Keywords : Southern Hardwood Deciduous trees; Ädellöv; Coleoptera; Spatial Data; Linkage Mapper; ArcMap; Connectivity; Network; Sweden;

    Abstract : Due to biodiversity loss being large as well as threatening ecosystem functions necessary for oursociety, the UN and EU have created regulations, strategies, and targets to improve biodiversity.Nationally in Sweden, and locally in Stockholm municipality, actions have also been taken. READ MORE

  6. 5. Training dogs to indicate synthetic pheromones from Plagionotus detritus, Coleoptera, Cerambycidae to detect living beetles

    University essay from SLU/Dept. of Biosystems and Technology (from 130101)

    Author : Matilda Apelqvist; [2022]
    Keywords : Detection dog; indicate synthetic pheromone; coleoptera; conservation biology; endangered species;

    Abstract : Using dogs to detect insects’ emitted volatiles is a non-invasive procedure, and a trained detection dog is potentially a fast and accurate method to search for saproxylic insects. The longhorn beetle Plagionotus detritus is categorized as Endangered in the Swedish Red List of Threatened Species. READ MORE