Essays about: "parasitism rate"

Found 3 essays containing the words parasitism rate.

1. 1. Importance of temperature for the willow bodyguard Perilitus brevicollis

   University essay from SLU/Dept. of Ecology

   Author : Kwabena Baffoe; [2011]
   Keywords : temperature; development rate; body size; development time; Braconidae; Perilitus brevicolis; Phratora vulgatissima; host-parasitoid interactions; bodyguard; biological control; Salix;

   Abstract : The influence of temperature on the performance of the willow bodyguard, Perilitus brevicollis Haliday, 1835 (Hymenoptera: Braconidae) as well as the impact of temperature and parasitism on its host feeding capacity were assessed. The study also aimed at identifying the similarities and differences among two populations (Swedish and Irish) with regards to parasitoid diversity, size and parasitism rate. READ MORE

3. 2. Olfactory responses of the parasitic wasp, Trybliographa rapae (Hymenoptera: Figitidae)

   University essay from SLU/Dept. of Plant Protection Biology

   Author : Anna Eriksson; [2009]
   Keywords : Trybliographa rapae; Delia radicum; olfactometer; parasitoid; parasitism rate;

   Abstract : Delia flies (Diptera: Anthomyiidae) are economically important pests in several horticultural crops. The control is commonly relying on chemical insecticides, though there are possibilities with biological control from the natural enemies in the field. READ MORE

4. 3. Parasitering på en expanderande art : har kartfjärilen undkommit sina naturliga fiender?

   University essay from SLU/Dept. of Ecology

   Author : Cecilia Söderlind; [2009]
   Keywords : kartfjäril; parasitoid; flykt från naturliga fiender;

   Abstract : Warmer climate is a driving factor to species expansion northwards. Expansion to new areas can result in escape from natural enemies, resulting in reduced levels of mortality and thereby potentially increasing the rate of expansion. READ MORE