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Effects of the malathion-bait mixture used on citrus to control Ceratitis capitata (Wiedemann) (Diptera: Tephritidae) on the Florida red scale, Chrysomphalus aonidum (L.) (Hemiptera: Diaspididae), and its parasitoid Aphytis holoxanthus DeBach (Hymenoptera: Aphelinidae)
Year:
1987
Source of publication :
Bulletin of Entomological Research
Authors :
פודולר, חגי
;
.
Volume :
77
Co-Authors:
Cohen, E., Department of Entomology, The Hebrew University of Jerusalem, Faculty of Agriculture, Rehovot 76 100, Israel
Podoler, H., Department of Entomology, The Hebrew University of Jerusalem, Faculty of Agriculture, Rehovot 76 100, Israel
el-Hamlauwi, M., Department of Entomology, The Hebrew University of Jerusalem, Faculty of Agriculture, Rehovot 76 100, Israel
Facilitators :
From page:
303
To page:
307
(
Total pages:
5
)
Abstract:
Examples of Chrysomphalus aonidum (L.) from which the scale covers had been removed, were about six times as sensitive to malathion as intact insects (LC50s of 0·09% and 0·55%, respectively). These results indicate that the scale cover probably absorbed part of the insecticide. Immature stages of the external parasitoid Aphytis holoxanthus DeBach on C. aonidum were not affected by 0·13% malathion applied to the host. However, adults of the parasitoid, which were extremely susceptible, were exposed before or during emergence to lethal levels of the insecticide present in the host scale cover. The findings are discussed in the light of the adverse effects of malathion-bait sprays applied against Ceratitis capitata (Wiedemann) on beneficial insects, and failures of biological control of scale pests on citrus in Israel. © 1987, Cambridge University Press. All rights reserved.
Note:
Related Files :
עוד תגיות
תוכן קשור
More details
DOI :
10.1017/S0007485300011780
Article number:
Affiliations:
Database:
סקופוס
Publication Type:
מאמר
;
.
Language:
אנגלית
Editors' remarks:
ID:
20175
Last updated date:
02/03/2022 17:27
Creation date:
16/04/2018 23:34
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Scientific Publication
Effects of the malathion-bait mixture used on citrus to control Ceratitis capitata (Wiedemann) (Diptera: Tephritidae) on the Florida red scale, Chrysomphalus aonidum (L.) (Hemiptera: Diaspididae), and its parasitoid Aphytis holoxanthus DeBach (Hymenoptera: Aphelinidae)
77
Cohen, E., Department of Entomology, The Hebrew University of Jerusalem, Faculty of Agriculture, Rehovot 76 100, Israel
Podoler, H., Department of Entomology, The Hebrew University of Jerusalem, Faculty of Agriculture, Rehovot 76 100, Israel
el-Hamlauwi, M., Department of Entomology, The Hebrew University of Jerusalem, Faculty of Agriculture, Rehovot 76 100, Israel
Effects of the malathion-bait mixture used on citrus to control Ceratitis capitata (Wiedemann) (Diptera: Tephritidae) on the Florida red scale, Chrysomphalus aonidum (L.) (Hemiptera: Diaspididae), and its parasitoid Aphytis holoxanthus DeBach (Hymenoptera: Aphelinidae)
Examples of Chrysomphalus aonidum (L.) from which the scale covers had been removed, were about six times as sensitive to malathion as intact insects (LC50s of 0·09% and 0·55%, respectively). These results indicate that the scale cover probably absorbed part of the insecticide. Immature stages of the external parasitoid Aphytis holoxanthus DeBach on C. aonidum were not affected by 0·13% malathion applied to the host. However, adults of the parasitoid, which were extremely susceptible, were exposed before or during emergence to lethal levels of the insecticide present in the host scale cover. The findings are discussed in the light of the adverse effects of malathion-bait sprays applied against Ceratitis capitata (Wiedemann) on beneficial insects, and failures of biological control of scale pests on citrus in Israel. © 1987, Cambridge University Press. All rights reserved.
Scientific Publication
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