Effects of Purple and Green-Colored Bottle Traps on Captures of Ambrosia Beetles in Ornamental Nurseries
The granulate ambrosia beetle, <i>Xylosandrus crassiusculus</i> (Motschulsky), and the black stem borer, <i>Xylosandrus germanus</i> (Blandford), are important pests in ornamental nurseries. The effects of monitoring trap color in capturing adult <i>X. crassiusculus<...
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2025-01-01
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| author | Ramkumar Govindaraju Shimat V. Joseph |
| author_facet | Ramkumar Govindaraju Shimat V. Joseph |
| author_sort | Ramkumar Govindaraju |
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| description | The granulate ambrosia beetle, <i>Xylosandrus crassiusculus</i> (Motschulsky), and the black stem borer, <i>Xylosandrus germanus</i> (Blandford), are important pests in ornamental nurseries. The effects of monitoring trap color in capturing adult <i>X. crassiusculus</i> and <i>X. germanus</i> are mixed in the literature. Because the colorless bottle trap is commonly used to monitor ambrosia beetles in ornamental nurseries, it is unclear if adding purple or green, commonly used for collecting cerambycids and buprestids, would improve adult <i>X. crassiusculus</i> and <i>X. germanus</i> captures. Thus, the objective of this study was to compare the effect of purple or green-colored bottle traps with colorless bottle traps on captures of adult <i>X. crassiusculus</i> and <i>X. germanus</i> in ornamental nurseries. In 2023 and 2024, experiments were conducted using bottle traps baited with AgBio low-release ethanol lure (LR ethanol lure). Adding purple or green to the bottle trap did not improve captures of adult <i>X. crassiusculus</i> and <i>X. germanus</i>. Adult <i>X. germanus</i> captures were reduced in the green-bottle trap than in the colorless trap. The purple bottle trap did not collect more numbers of adult <i>X. crassiusculus</i> and <i>X. germanus</i> than the colorless bottle trap with LR ethanol lure. This suggests that adding purple or green to bottle traps did not provide additional value in monitoring ambrosia beetles in ornamental nurseries for management decisions. |
| format | Article |
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| institution | Kabale University |
| issn | 2073-4395 |
| language | English |
| publishDate | 2025-01-01 |
| publisher | MDPI AG |
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| series | Agronomy |
| spelling | doaj-art-9fd78ba9cd62411da93ca3062f70d1662025-01-24T13:16:44ZengMDPI AGAgronomy2073-43952025-01-0115110510.3390/agronomy15010105Effects of Purple and Green-Colored Bottle Traps on Captures of Ambrosia Beetles in Ornamental NurseriesRamkumar Govindaraju0Shimat V. Joseph1Department of Entomology, University of Georgia, 1109 Experiment Street, Griffin, GA 30223, USADepartment of Entomology, University of Georgia, 1109 Experiment Street, Griffin, GA 30223, USAThe granulate ambrosia beetle, <i>Xylosandrus crassiusculus</i> (Motschulsky), and the black stem borer, <i>Xylosandrus germanus</i> (Blandford), are important pests in ornamental nurseries. The effects of monitoring trap color in capturing adult <i>X. crassiusculus</i> and <i>X. germanus</i> are mixed in the literature. Because the colorless bottle trap is commonly used to monitor ambrosia beetles in ornamental nurseries, it is unclear if adding purple or green, commonly used for collecting cerambycids and buprestids, would improve adult <i>X. crassiusculus</i> and <i>X. germanus</i> captures. Thus, the objective of this study was to compare the effect of purple or green-colored bottle traps with colorless bottle traps on captures of adult <i>X. crassiusculus</i> and <i>X. germanus</i> in ornamental nurseries. In 2023 and 2024, experiments were conducted using bottle traps baited with AgBio low-release ethanol lure (LR ethanol lure). Adding purple or green to the bottle trap did not improve captures of adult <i>X. crassiusculus</i> and <i>X. germanus</i>. Adult <i>X. germanus</i> captures were reduced in the green-bottle trap than in the colorless trap. The purple bottle trap did not collect more numbers of adult <i>X. crassiusculus</i> and <i>X. germanus</i> than the colorless bottle trap with LR ethanol lure. This suggests that adding purple or green to bottle traps did not provide additional value in monitoring ambrosia beetles in ornamental nurseries for management decisions.https://www.mdpi.com/2073-4395/15/1/105granulate ambrosia beetle<i>Xylosandrus crassiusculus</i>monitoringtrappingmanagement |
| spellingShingle | Ramkumar Govindaraju Shimat V. Joseph Effects of Purple and Green-Colored Bottle Traps on Captures of Ambrosia Beetles in Ornamental Nurseries Agronomy granulate ambrosia beetle <i>Xylosandrus crassiusculus</i> monitoring trapping management |
| title | Effects of Purple and Green-Colored Bottle Traps on Captures of Ambrosia Beetles in Ornamental Nurseries |
| title_full | Effects of Purple and Green-Colored Bottle Traps on Captures of Ambrosia Beetles in Ornamental Nurseries |
| title_fullStr | Effects of Purple and Green-Colored Bottle Traps on Captures of Ambrosia Beetles in Ornamental Nurseries |
| title_full_unstemmed | Effects of Purple and Green-Colored Bottle Traps on Captures of Ambrosia Beetles in Ornamental Nurseries |
| title_short | Effects of Purple and Green-Colored Bottle Traps on Captures of Ambrosia Beetles in Ornamental Nurseries |
| title_sort | effects of purple and green colored bottle traps on captures of ambrosia beetles in ornamental nurseries |
| topic | granulate ambrosia beetle <i>Xylosandrus crassiusculus</i> monitoring trapping management |
| url | https://www.mdpi.com/2073-4395/15/1/105 |
| work_keys_str_mv | AT ramkumargovindaraju effectsofpurpleandgreencoloredbottletrapsoncapturesofambrosiabeetlesinornamentalnurseries AT shimatvjoseph effectsofpurpleandgreencoloredbottletrapsoncapturesofambrosiabeetlesinornamentalnurseries |