Essays about: "moth"

Showing result 26 - 30 of 44 essays containing the word moth.

  1. 26. Perceptions of change : livelihood impacts of the Push-Pull Technology Project in South Wollo, Ethiopia

    University essay from SLU/Dept. of Urban and Rural Development

    Author : Salomon Abresparr; [2015]
    Keywords : agroecology; Ethiopia; Push-Pull Technology; livelihood;

    Abstract : This thesis explores how farmers in three villages in South Wollo, Ethiopia, perceive the impacts of a particular farming technology. The technology is called the Push-Pull Technology, which is an agro-ecological method to address the problem of stemborer moth and Striga weed, which seriously affects the production of the important food crops maize and sorghum. READ MORE

  3. 27. The survival of moth larvae feeding on different plant species in northern Fennoscandia

    University essay from Lunds universitet/Institutionen för naturgeografi och ekosystemvetenskap

    Author : Ulrika Belsing; [2015]
    Keywords : winter moth; ecosystem analysis; physical geography; autumn moth; northern Fennoscandia; outbreaks and sub-arctic environment; Earth and Environmental Sciences;

    Abstract : Northern Fennoscandia belongs to the sub-arctic environment and its forests are mostly composed of mountain birch trees (Betula pubescens ssp. czerepanovii). READ MORE

  4. 28. Could Lithospermum officinale be bird dispersed? : A greenhouse experiment

    University essay from Uppsala universitet/Institutionen för biologisk grundutbildning

    Author : Adam Åberg; [2015]
    Keywords : Lithospermum officinale; scarification; dispersal; germination; dormancy;

    Abstract : Common gromwell (Lithospermum officinale) acts as a host plant for the monophagous moth Ethmia dodecea  whose larvae are completely dependent on the leaves. As conservation authorities now want to reinstate the regionally extinct moth to Mälardalen, a stable population of its host plant is a requirement. READ MORE

  5. 29. Odour-mediated behaviour in codling moth, Cydia pomonella : do fermentation odours affect the attraction and oviposition behaviour in codling moth?

    University essay from SLU/Dept. of Plant Protection Biology

    Author : Lillemor Torstensdotter; [2015]
    Keywords : Cydia pomonella; codling moth; fermentation; apples;

    Abstract : The codling moth, Cydia pomonella is a common pest in apple orchards and can be found worldwide. Feeding by codling moth larvae can cause a substantial decrease in apple yield. Control methods comprise for example the use of pesticides, viruses and pheromones. READ MORE

  6. 30. Effect of diet and density on larval immune response and larval and adult host-preference in Spodoptera littoralis

    University essay from SLU/Dept. of Plant Protection Biology

    Author : Sophie Chattington; [2015]
    Keywords : artificial encapsulation; Egyptian cotton leafworm; immune response; innate preference hierarchy; larval density; larval development; larval memory; oviposition choice; phenoloxidase; Spodoptera littoralis; Y-tube;

    Abstract : Polyphagy presents difficulties to an insect, especially in terms of host choice. The adult insect must choose from a large number of possible host plant species, something which is considered to require extensive neural capacity to process. READ MORE