Sökning: "Helena Larsdotter Mellström"

Hittade 2 avhandlingar innehållade orden Helena Larsdotter Mellström.

1. 1. A life history perspective on mating behaviour in the butterfly Pieris napi

   Författare :Helena Larsdotter Mellström; Stockholms universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; zoologisk ekologi; Animal Ecology;

   Sammanfattning : .... LÄS MER

3. 2. Life history evolution in a bivoltine butterfly

   Författare :Helena Larsdotter Mellström; Christer Wiklund; Klaus Fischer; Stockholms universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Bivoltine; Diapause; Lepidoptera; Life history; Mating system; Pheromone; Polyphenism; Population density; Sexual selection; Sperm competition; zoologisk ekologi; Animal Ecology;

   Sammanfattning : Evolution is not always straight-forward, as selection pressures may differ between different generations of the same species. This thesis focuses on the evolution of life history of the model species, the Green-veined White butterfly Pieris napi. In central Sweden P. napi has two generations per year. LÄS MER