@article{fdi:010083633,
  title = {{F}actors affecting stem borer parasitoid species diversity and parasitism in cultivated and natural habitats},
  author = {{M}ailafiya, {D}. and {L}e {R}ü, {B}runo and {K}airu, {E}. {W}. and {C}alatayud, {P}aul-{A}ndr{\'e} and {D}upas, {S}t{\'e}phane},
  editor = {},
  language = {{ENG}},
  abstract = {{T}he effects of biotic and abiotic factors on stem borer parasitoid diversity, abundance, and parasitism were studied in cultivated and natural habitats in four agroecological zones in {K}enya. {C}omparing habitat types, we found partial support for the "natural enemy" hypothesis, whereby, across all localities, parasitoid diversity was higher in more diverse host plant communities in natural habitats, whereas parasitoid abundance was higher in cultivated habitats. {F}or both habitats, parasitoid richness was mainly influenced by stem borer density and/or its interaction with stein borer richness, whereas parasitoid abundance was mainly affected by stein borer abundance. {P}arasitoid richness was higher in localities (with bimodal rainfall distribution) with increased spatial and temporal availability of host plants that harbored the borers. {A}cross seasons, parasitoid richness was lower in both cultivated and natural habitats in the driest locality, {M}tito {A}ndei. {O}verall, parasitoid diversity was low in {S}uam and {M}tito {A}ndei, where maize cultivation was practiced on a commercial scale and intense grazing activities persist across seasons, respectively. {A}cross localities, habitats, and seasons, stem borer parasitism was positively correlated with parasitoid richness and abundance. {F}urthermore, the interaction of rainfall and altitude influenced the presence and absence of parasitoids, and consequently, stem borer parasitism. {P}arasitism was positively and negatively correlated with temperature in cultivated and natural habitats, respectively. {O}verall, natural habitats seem to serve as important refugia for sustaining parasitoid diversity, which in turn can affect stem borer parasitism in the cereal cropping system.},
  keywords = {biotic and abiotic factors ; trophic interactions ; habitat type ; parasitoid diversity and stem borer parasitism},
  booktitle = {},
  journal = {{E}nvironmental {E}ntomology},
  volume = {39},
  numero = {1},
  pages = {57--67},
  ISSN = {0046-225{X}},
  year = {2010},
  DOI = {10.1603/en09196},
  URL = {https://www.documentation.ird.fr/hor/fdi:010083633},
}