Mortality of the cassava mealybug Phenacoccus manihoti Mat.-Ferr.(Hom., Pseudococcidea) associated with an attack by Epidinocarsis lopezi (Hym., Encyrtidae)
Cassava mealybugs (CM) of different stages, which had been stung by an E. lopezi female, were inspected after 6 and 20 days. The killing power of the parasitoid was several times higher than the production of parasitoid off-spring. Host-feeding and mutilation were responsible for 6-22% and 11-34% mo...
| Main Authors: | , |
|---|---|
| Format: | Journal Article |
| Language: | Inglés Alemán |
| Published: |
1986
|
| Subjects: | |
| Online Access: | https://hdl.handle.net/10568/82688 |
| _version_ | 1855538532136779776 |
|---|---|
| author | Neuenschwander, Peter Madojemu, E. |
| author_browse | Madojemu, E. Neuenschwander, Peter |
| author_facet | Neuenschwander, Peter Madojemu, E. |
| author_sort | Neuenschwander, Peter |
| collection | Repository of Agricultural Research Outputs (CGSpace) |
| description | Cassava mealybugs (CM) of different stages, which had been stung by an E. lopezi female, were inspected after 6 and 20 days. The killing power of the parasitoid was several times higher than the production of parasitoid off-spring. Host-feeding and mutilation were responsible for 6-22% and 11-34% mortality respectively. Both were significantly more important on the younger hosts. 11-33% of the stung CM yielded live parasitoids. Reproduction was significantly more successful on older CM. 30-56% of all CM survived a single oviposition attempt by the wasp. By contrast, mortality of the unstung control was 4-8%. In choice experiments, 3rd instar CM were slightly but not significantly prefered. |
| format | Journal Article |
| id | CGSpace82688 |
| institution | CGIAR Consortium |
| language | Inglés Alemán |
| publishDate | 1986 |
| publishDateRange | 1986 |
| publishDateSort | 1986 |
| record_format | dspace |
| spelling | CGSpace826882024-01-17T12:58:34Z Mortality of the cassava mealybug Phenacoccus manihoti Mat.-Ferr.(Hom., Pseudococcidea) associated with an attack by Epidinocarsis lopezi (Hym., Encyrtidae) Neuenschwander, Peter Madojemu, E. cassava temperatures parasitoids glasshouse cassava mealybugs phenacoccus manihoti pidinocarsis lopez Cassava mealybugs (CM) of different stages, which had been stung by an E. lopezi female, were inspected after 6 and 20 days. The killing power of the parasitoid was several times higher than the production of parasitoid off-spring. Host-feeding and mutilation were responsible for 6-22% and 11-34% mortality respectively. Both were significantly more important on the younger hosts. 11-33% of the stung CM yielded live parasitoids. Reproduction was significantly more successful on older CM. 30-56% of all CM survived a single oviposition attempt by the wasp. By contrast, mortality of the unstung control was 4-8%. In choice experiments, 3rd instar CM were slightly but not significantly prefered. 1986 2017-07-07T14:12:07Z 2017-07-07T14:12:07Z Journal Article https://hdl.handle.net/10568/82688 en de Limited Access Neuenschwander, P. & Madojemu, E. (1986). Mortality of the cassava mealybug, Phenacoccus manihoti Mat.-Ferr.(Hom., Pseudococcidae), associated with an attack by Epidinocarsis lopezi (Hym., Encyrtidae). Mitteilungen der Schweizerischen Entomologischen Gesellschaft, 59(1-2), 57-62. |
| spellingShingle | cassava temperatures parasitoids glasshouse cassava mealybugs phenacoccus manihoti pidinocarsis lopez Neuenschwander, Peter Madojemu, E. Mortality of the cassava mealybug Phenacoccus manihoti Mat.-Ferr.(Hom., Pseudococcidea) associated with an attack by Epidinocarsis lopezi (Hym., Encyrtidae) |
| title | Mortality of the cassava mealybug Phenacoccus manihoti Mat.-Ferr.(Hom., Pseudococcidea) associated with an attack by Epidinocarsis lopezi (Hym., Encyrtidae) |
| title_full | Mortality of the cassava mealybug Phenacoccus manihoti Mat.-Ferr.(Hom., Pseudococcidea) associated with an attack by Epidinocarsis lopezi (Hym., Encyrtidae) |
| title_fullStr | Mortality of the cassava mealybug Phenacoccus manihoti Mat.-Ferr.(Hom., Pseudococcidea) associated with an attack by Epidinocarsis lopezi (Hym., Encyrtidae) |
| title_full_unstemmed | Mortality of the cassava mealybug Phenacoccus manihoti Mat.-Ferr.(Hom., Pseudococcidea) associated with an attack by Epidinocarsis lopezi (Hym., Encyrtidae) |
| title_short | Mortality of the cassava mealybug Phenacoccus manihoti Mat.-Ferr.(Hom., Pseudococcidea) associated with an attack by Epidinocarsis lopezi (Hym., Encyrtidae) |
| title_sort | mortality of the cassava mealybug phenacoccus manihoti mat ferr hom pseudococcidea associated with an attack by epidinocarsis lopezi hym encyrtidae |
| topic | cassava temperatures parasitoids glasshouse cassava mealybugs phenacoccus manihoti pidinocarsis lopez |
| url | https://hdl.handle.net/10568/82688 |
| work_keys_str_mv | AT neuenschwanderpeter mortalityofthecassavamealybugphenacoccusmanihotimatferrhompseudococcideaassociatedwithanattackbyepidinocarsislopezihymencyrtidae AT madojemue mortalityofthecassavamealybugphenacoccusmanihotimatferrhompseudococcideaassociatedwithanattackbyepidinocarsislopezihymencyrtidae |