A Prophylactic Application of Systemic Insecticides Contributes to the Management of the Hibiscus Bud Weevil <i>Anthonomus testaceosquamosus</i> Linell (Coleoptera: Curculionidae)
The hibiscus bud weevil is an invasive pest that attacks tropical hibiscus. Its management has been challenging due to its cryptic adult and concealed immature stages. We evaluated the efficiency of four systemic insecticides (spirotetramat, chlorantraniliprole, flupyradifurone, and cyantraniliprole...
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MDPI AG
2023-09-01
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| Series: | Agriculture |
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| Online Access: | https://www.mdpi.com/2077-0472/13/10/1879 |
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| author | German Vargas A. Daniel Greene Yisell Velazquez-Hernandez Xiangbing Yang Paul E. Kendra Alexandra M. Revynthi |
| author_facet | German Vargas A. Daniel Greene Yisell Velazquez-Hernandez Xiangbing Yang Paul E. Kendra Alexandra M. Revynthi |
| author_sort | German Vargas |
| collection | DOAJ |
| description | The hibiscus bud weevil is an invasive pest that attacks tropical hibiscus. Its management has been challenging due to its cryptic adult and concealed immature stages. We evaluated the efficiency of four systemic insecticides (spirotetramat, chlorantraniliprole, flupyradifurone, and cyantraniliprole) against the pest using two approaches: one applied 4 weeks before infestation (prophylactic) and the other 1 week after (curative). The number of eggs, larvae, and feeding holes per sampled bud were recorded 7, 14, 21, and 28 days after the infestation (prophylactic), and after the application (curative), respectively. In general, a greater number of treatment effects were detected in the prophylactic approach in comparison with those in the curative. With the prophylactic approach, the mean number of larvae and feeding holes per actively growing bud was significantly greater for the control (water) than for all insecticides. Among fallen buds, chlorantraniliprole, cyantraniliprole, and spirotetramat had significantly fewer feeding holes than those in the control. With the curative approach, the mean number of feeding holes was greater in the control with no differences among insecticides. The prophylactic application can effectively suppress initial HBW infestation, in contrast to the curative application targeting already high populations. This provides the opportunity for reducing the impact of this regulated pest in areas of expansion. |
| first_indexed | 2024-03-10T21:31:51Z |
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| id | doaj.art-f10cd032b8884adbb594a9eb96149055 |
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| issn | 2077-0472 |
| language | English |
| last_indexed | 2024-03-10T21:31:51Z |
| publishDate | 2023-09-01 |
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| series | Agriculture |
| spelling | doaj.art-f10cd032b8884adbb594a9eb961490552023-11-19T15:18:04ZengMDPI AGAgriculture2077-04722023-09-011310187910.3390/agriculture13101879A Prophylactic Application of Systemic Insecticides Contributes to the Management of the Hibiscus Bud Weevil <i>Anthonomus testaceosquamosus</i> Linell (Coleoptera: Curculionidae)German Vargas0A. Daniel Greene1Yisell Velazquez-Hernandez2Xiangbing Yang3Paul E. Kendra4Alexandra M. Revynthi5Entomology and Nematology Department, Tropical Research and Education Center, University of Florida, 18905 SW 280th St, Homestead, FL 33031, USASchool of Natural Sciences, High Point University, 1 N University Pkwy, High Point, NC 27268, USAEntomology and Nematology Department, Tropical Research and Education Center, University of Florida, 18905 SW 280th St, Homestead, FL 33031, USASubtropical Horticulture Research Station, United States Department of Agriculture, Agricultural Research Service, 13601 Old Cutler Rd, Miami, FL 33158, USASubtropical Horticulture Research Station, United States Department of Agriculture, Agricultural Research Service, 13601 Old Cutler Rd, Miami, FL 33158, USAEntomology and Nematology Department, Tropical Research and Education Center, University of Florida, 18905 SW 280th St, Homestead, FL 33031, USAThe hibiscus bud weevil is an invasive pest that attacks tropical hibiscus. Its management has been challenging due to its cryptic adult and concealed immature stages. We evaluated the efficiency of four systemic insecticides (spirotetramat, chlorantraniliprole, flupyradifurone, and cyantraniliprole) against the pest using two approaches: one applied 4 weeks before infestation (prophylactic) and the other 1 week after (curative). The number of eggs, larvae, and feeding holes per sampled bud were recorded 7, 14, 21, and 28 days after the infestation (prophylactic), and after the application (curative), respectively. In general, a greater number of treatment effects were detected in the prophylactic approach in comparison with those in the curative. With the prophylactic approach, the mean number of larvae and feeding holes per actively growing bud was significantly greater for the control (water) than for all insecticides. Among fallen buds, chlorantraniliprole, cyantraniliprole, and spirotetramat had significantly fewer feeding holes than those in the control. With the curative approach, the mean number of feeding holes was greater in the control with no differences among insecticides. The prophylactic application can effectively suppress initial HBW infestation, in contrast to the curative application targeting already high populations. This provides the opportunity for reducing the impact of this regulated pest in areas of expansion.https://www.mdpi.com/2077-0472/13/10/1879invasive specieschemical controlornamentalsintegrated pest management |
| spellingShingle | German Vargas A. Daniel Greene Yisell Velazquez-Hernandez Xiangbing Yang Paul E. Kendra Alexandra M. Revynthi A Prophylactic Application of Systemic Insecticides Contributes to the Management of the Hibiscus Bud Weevil <i>Anthonomus testaceosquamosus</i> Linell (Coleoptera: Curculionidae) Agriculture invasive species chemical control ornamentals integrated pest management |
| title | A Prophylactic Application of Systemic Insecticides Contributes to the Management of the Hibiscus Bud Weevil <i>Anthonomus testaceosquamosus</i> Linell (Coleoptera: Curculionidae) |
| title_full | A Prophylactic Application of Systemic Insecticides Contributes to the Management of the Hibiscus Bud Weevil <i>Anthonomus testaceosquamosus</i> Linell (Coleoptera: Curculionidae) |
| title_fullStr | A Prophylactic Application of Systemic Insecticides Contributes to the Management of the Hibiscus Bud Weevil <i>Anthonomus testaceosquamosus</i> Linell (Coleoptera: Curculionidae) |
| title_full_unstemmed | A Prophylactic Application of Systemic Insecticides Contributes to the Management of the Hibiscus Bud Weevil <i>Anthonomus testaceosquamosus</i> Linell (Coleoptera: Curculionidae) |
| title_short | A Prophylactic Application of Systemic Insecticides Contributes to the Management of the Hibiscus Bud Weevil <i>Anthonomus testaceosquamosus</i> Linell (Coleoptera: Curculionidae) |
| title_sort | prophylactic application of systemic insecticides contributes to the management of the hibiscus bud weevil i anthonomus testaceosquamosus i linell coleoptera curculionidae |
| topic | invasive species chemical control ornamentals integrated pest management |
| url | https://www.mdpi.com/2077-0472/13/10/1879 |
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