@article{fdi:010084253,
  title = {{S}ynergistic control of {C}allosobruchus maculatus {F}ab. ({C}oleoptera : {C}hrysomelidae) by releases of an oophagous and a larval parasitoid in experimental cowpea storage systems},
  author = {{K}am, {K}. {W}. and {I}lboudo, {Z}. and {S}ilvie, {P}ierre and {S}anon, {A}.},
  editor = {},
  language = {{ENG}},
  abstract = {{C}allosobruchus maculatus {F}ab. ({C}oleoptera: {C}hrysomelidae) is a major pest of stored cowpea in {W}est {A}frica, responsible for significant weight losses and grain deterioration during storage. {B}iological control of this pest using its native larval ({D}inarmus basalis) and oophagous ({U}scana lariophaga) parasitoids is currently investigated. {T}he present study aims to assess into experimental storage systems the effects of five options of releasing {U}. lariophaga and {D}. basalis, alone or in combination, on the populations of {C}. maculatus in comparison with a control without any parasitoid. {T}he combined releases of the two parasitoid species prevented the increase in {C}. maculatus numbers better than the release of a single parasitoid species. {E}ach parasitoid species behaved differently when alone versus in combination. {T}hus, {D}. basalis had a higher development and rates of parasitism when it was alone, whereas the opposite was observed in {U}. lariophaga, whose parasitism activity seemed to be stimulated by the presence of {D}. basalis. {A}fter 150 days of storage, the cowpea seed losses were estimated to be significantly lower (9-13%) in all parasitoid combination treatments instead of 31% and 62% in single parasitoid treatments and the control, respectively. {O}ur results suggest that combined releases of both parasitoids can additively control the pest and maintain cowpea quality over 5 months of storage. {F}urther studies should precise the optimal densities of each species to be released without additional introductions throughout the storage period. {I}nteractions between {D}. basalis and {U}. lariophaga are still poorly known and will require in-depth scientific investigations.},
  keywords = {{V}igna unguiculata ; {S}torage weevils ; {B}iological control ; {C}ombination of parasitoids ; {P}ost-harvest management ; {G}rain quality preservation ; {AFRIQUE} {DE} {L}'{OUEST}},
  booktitle = {},
  journal = {{J}ournal of {P}lant {D}iseases and {P}rotection},
  volume = {[{E}arly access]},
  numero = {},
  pages = {[9 p.]},
  ISSN = {1861-3829},
  year = {2022},
  DOI = {10.1007/s41348-022-00576-w},
  URL = {https://www.documentation.ird.fr/hor/fdi:010084253},
}