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| Content Provider | Springer Nature Link |
|---|---|
| Author | Bajpai, N.K. BALLAL, Chandish R. RAO, N.S. SINGH, S.P. BHASKARAN, T.V. |
| Copyright Year | 2005 |
| Abstract | The outcome of competition between Campoletis chlorideae Uchida and Eriborus argenteopilosus (Cameron) (Hymenoptera: Ichneumonidae), two indigenous larval parasitoids of the noctuid pest, Spodoptera litura (Fabricius), was investigated in the laboratory by way of two experiments. In the individual exposure experiment, the host larvae were exposed to the parasitoids either alone or one after the other at different time intervals and were considered to be parasitised when the parasitoid was observed to sting the host larva. When they stung the host larva singly, the parasitism rates by C. chlorideae and E. argenteopilosus was either similar to or higher than the parasitism recorded by each parasitoid in the different combination/interaction treatments. C. chlorideae cocoons were formed from majority of the host larvae, which were stung by both parasitoid species, one after the other, in most oviposition orders and delays between ovipositions. E. argenteopilosus appeared to be the dominant parasitoid only in those treatments where it was the first one to parasitise and the delay in C. chlorideae parasitism was more than 18 h. and it never dominated the interactions, when it was the second one to parasitise. This implied that C. chlorideae had an almost consistent advantage over E. argenteopilosus. In the mass exposure experiment, the two parasitoid species (either alone or together) were allowed to forage and parasitise the host larvae in cages. When the two parasitoid species were allowed to forage in the same host patch simultaneously, the performance of C. chlorideae when it was alone was statistically similar to its performance in the presence of E. argenteopilosus. However, E. argenteopilosus performed better when it could forage alone. The results of both experiments revealed that C. chlorideae was the more competitive of the two species. |
| Starting Page | 419 |
| Ending Page | 438 |
| Page Count | 20 |
| File Format | |
| ISSN | 13866141 |
| Journal | BioControl |
| Volume Number | 51 |
| Issue Number | 4 |
| e-ISSN | 15738248 |
| Language | English |
| Publisher | Kluwer Academic Publishers |
| Publisher Date | 2006-08-29 |
| Publisher Place | Dordrecht |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Campoletis chlorideae Eriborus argenteopilosus Hymenoptera Ichneumonidae Interaction Iepidoptera Noctuidae Spodoptera litura |
| Content Type | Text |
| Resource Type | Article |
| Subject | Insect Science Agronomy and Crop Science |
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