Xyleborus glabratus
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Author(s): Michael C. Thomas, Florida Department of Agriculture and Consumer Services
Source: IPM Images
Xyleborus glabratus Eichhoff 1877 - (redbay ambrosia beetle)
The ambrosia beetle is native to southern Asia and has been recorded from North America since 2002. After its introduction, it has spread quickly accross the south-eastern U.S.A. It attacks healthy redbay (Persea borbonia), avocado (Persea americana), sassafras trees and other Lauraceae. It carries the symbiotic fungus Raffaelea lauricola into the attacked trees which causes the lethal laurel wilt disease. The beetle has special structures (mycangia) near the mandibles to carry the fungus which serves as its food. Tree mortality has been substantial in some outbreak areas, with most redbay trees being killed.
| Vernacular names | |
|---|---|
| • English: | redbay ambrosia beetle |
| • Español: | cucarroncito de ambrosia del laurel escarabajo de la ambrosía del laurel rojo gorgojo de ambrosia del laurel rojo |
The female adult beetle is slightly more than 2 mm long. Males are rare, smaller and flightless. The life cycle from egg, through 3 larval stages, to mature adult lasts 2 months or more. In the field, the emergence of new adults peaks 3-5 months after a tree has been infested.
For details see the respective page in Wikipedia.
- Other images of Xyleborus glabratus (IPM Images and PaDIL - click to enlarge)
frass tubes on Persea borbonia trunk
galleries on Persea borbonia
larva
female, head
female, anterior part
male, anterior part
female, posterior end
trap
