Essays about: "moth"

Showing result 41 - 44 of 44 essays containing the word moth.

  1. 41. Predators of Plutella xylostella in Nicaragua : feeding capacity and potential role in biological control

    University essay from SLU/Dept. of Ecology

    Author : Linda Larsson; [2007]
    Keywords : Plutella xylostella; natural enemies; predators; biological control; Nicaragua; larval consumption; feeding capacity; cabbage; Lycosidae; Salticidae; Nabidae; Staphylinidae; Tetragnathidae; Gelastocoridae; Reduviidae; insects; spiders;

    Abstract : The diamondback moth, Plutella xylostella (L.) (Lepidoptera: Plutellidae), is one of the most destructive insect pests of Brassica crops in both temperate and tropical regions over the world. The insect is considered as a key pest of crucifers in Central America. READ MORE

  3. 42. Kastanjemalen Cameraria ohridella : livscykel och utbredning i Sverige 2006

    University essay from SLU/Dept. of Crop Science

    Author : Monica Nyström; [2006]
    Keywords : kastanjemal; Cameraria ohridella; hästkastanj; Aesculus hippocastanum;

    Abstract : Cameraria ohridella, the chest-nut leaf miner, is a new pest in Sweden. These moths make leaf mines on chest-nut trees, preferably on Aesculus hippocastanum, which results in brown blotches on the foliage and early loss of leaves. Since the first observation in Macedonia in 1985 it has spread rapidly through Europe. READ MORE

  4. 43. Ground-living predators of the apple fruit moth Argyresthia conjugella (Zell.)

    University essay from SLU/Dept. of Entomology

    Author : Sara Furenhed; [2006]
    Keywords : ground-living predators; apple fruit moth; Argyresthia conjugella; mortality during hibernation; mesh exclusion cage; GLIMMIX; feeding test;

    Abstract : Field studies were conducted in two orchards to investigate what type of ground- living predators that prey on the apple fruit moth during hibernation. Two tasks were addressed: 1) hibernation loss of the apple fruit moth was quantified, and 2) effect of the different predator groups were identified. READ MORE

  5. 44. Varför finns det så lite svensk ekologisk frukt? : probleminventering av den svenska ekologiska fruktbranschen

    University essay from SLU/Dept. of Crop Science

    Author : Ditte Clase; [2004]
    Keywords : ekologisk frukt; fruktbranschen; marknad;

    Abstract : Out of totally 1862 hectares of the Swedish fruitacerage, only 142 hectares are cultivated according to the EU-standards for organic farming. Only 73 hectares are connected to the Swedish control organisation KRAV. Therefore only fruit from this acreage can be sold as organic. READ MORE