We studied the parasitism capacity of as a pupal parasite of after switching hosts. We used pupae of and as the hosts and studied parasitism by in the laboratory. The parasitism capacities were compared at different host densities and different parasitoid ages. The two functional responses of fitted a Holling Type II equation. More were parasitized than at all the densities. The ability of to control was / (parasitism capacity) = 32.1950, which was much stronger than that of control , which was / = 4.7380. The parasitism rate of wasps that had parasitized had decreased by the emergence time of parasitoids. These results suggest that the parasitoid-pest ratio should be 1:25 to maintain a relatively stable parasitism rate for control of The colony reared on successfully controlled a low-density population of in the lab. We provide evidence suggesting that the parasitism capacity of needs to be improved.
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| http://dx.doi.org/10.3390/insects12070613 | DOI Listing |
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