Attraction ofTrichogramma platneri to eggs of some lepidopterous pests of avocado |
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| Authors: | M Wysoki M De Jong |
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| Institution: | 1. Dept. of Entomology, ARO, The Volcani Center, 50250, Bet Dagan, Israel
2. Dept. of Entomology, Faculty of Agriculture, Wageningen, The Netherlands
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| Abstract: | The attraction ofTrichogramma platneri Nagarkatti (Hymenoptera: Trichogrammatidae) to eggs of two lepidopterous avocado pests,Boarmia sel-enaria (Schiffermüller) (Geometridae) andCryptoblabes gnidiella (Millière) (Phycitidae), was evaluated in olfactometer tests. The mobility of the wasp as measured by a mobility index was
0.6 for males and 1.8 for females; the males had a lower mobility and a lower search capacity index than the females. Frozen
and fresh youngB. selenaria eggs had the greatest attraction forT. platneri, which diminished with increasing age of the eggs. The eggs ofC. gnidiella were also attractive to the parasitoid.
Contribution from the Agricultural Research Organization. No. 2704-E, 1989 series. |
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| Keywords: | Trichogramma platneri egg parasitoid behavior olfactometer tests Boarmia selenaria Cryptoblabes gnidiella avocado pests |
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