Université de Neuchâtel

Ecological impact of the invasive horse-chestnut leaf miner, "Cameraria ohridella" Deschka & Dimic (Lepidoptera: Gracillariidae) on native species

Péré, Christelle ; Turlings, Ted C.J. (Dir.)

Thèse de doctorat : Université de Neuchâtel, 2009 ; Th. 2093.

The horse-chestnut leaf miner, Cameraria ohridella, is the first leaf miner and first major pest known to attack the white flowering horse-chestnut tree, Aesculus hippocastanum, native to the Balkans and introduced in Central Europe as an ornamental urban tree. This moth, which probably originates from the Balkans, was first discovered in Macedonia in 1984 and has since invaded most...

Université de Neuchâtel

The nutritional value of aphid honeydew for parasitoids of lepidopteran pests

Faria, Cristina Arantes de ; Turlings, Ted C.J. (Dir.)

Thèse de doctorat : Université de Neuchâtel, 2005 ; 1831.

Feeding on carbohydrate food sources is critical for survival and reproductive success of adult parasitoids. This means that females of many parasitoids will have to periodically interrupt host foraging to find food. If host and food are located in different patches, food searching can be time and energy consuming. This is especially true for most agricultural monocultures were nectar is...