Ten species of ambrosia beetles of the tribe Xyleborini, (Eggers, 1930), (Schedl, 1937), (Schedl, 1939), Schedl, 1969, (Eggers, 1923), (Eggers, 1930), (Schedl, 1942), Browne, 1950, (Schedl, 1951) and (Schedl, 1939), are recorded here for the first time in Thailand. Diagnostic characters, illustrations, distribution and biological data are provided for each species. (Schedl, 1957), is removed from synonymy with and reinstated as a valid species.
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http://dx.doi.org/10.3897/zookeys.862.34766 | DOI Listing |
Environ Entomol
January 2025
Cornell Cooperative Extension - Lake Ontario Fruit Program, Albion, NY, USA.
The non-native wood-boring and symbiotic fungus-culturing Xylosandrus germanus (Blandford) was first reported in New York apple orchards in 2013. Trapping surveys have been conducted annually since to assist growers in timely applications of preventative control measures. In 2021, a similar-looking introduced species, Anisandrus maiche (Kurentsov), was identified in traps in west central New York.
View Article and Find Full Text PDFEcology
January 2025
Department of Biology, University of Louisville, Louisville, Kentucky, USA.
Lightning strikes are a common source of disturbance in tropical forests, and a typical strike generates large quantities of dead wood. Lightning-damaged trees are a consistent resource for tropical saproxylic (i.e.
View Article and Find Full Text PDFJ Insect Sci
January 2025
Department of Agricultural Sciences and Engineering, College of Agriculture, Tennessee State University, Otis L. Floyd Nursery Research Center, McMinnville, TN, USA.
The role of flood and drought stress on Xylosandrus ambrosia beetle attacks and colonization in nursery trees with varying levels of water stress tolerance has not yet been studied. This study aimed to examine ambrosia beetle preference for tree species varying in their tolerance to water stress. Container-grown dogwoods, redbuds, and red maples were exposed to flood, drought, or sufficient water treatments for 28 d and beetle attacks were counted every third day.
View Article and Find Full Text PDFJ Insect Sci
January 2025
Department of Entomology, University of Georgia, Griffin, GA USA.
The granulate ambrosia beetle, Xylosandrus crassiusculus (Motschulsky), and the black stem borer, Xylosandrus germanus (Blandford) are important pests in ornamental nurseries in the eastern USA. These beetles are managed mainly using preventative trunk applications of pyrethroids, such as permethrin or bifenthrin when females typically fly out of woodlots and attack young trees in the spring. Verbenone and methyl salicylate are potential phytochemicals reported as repellants but not completely validated in ornamental nurseries for ambrosia beetle management as an alternative option.
View Article and Find Full Text PDFInsects
January 2025
Co-Innovation Center for Sustainable Forestry in Southern China, College of Forestry, Nanjing Forestry University, Nanjing 210036, China.
The ambrosia beetle Blandford (Coleoptera: Curculionidae: Scolytinae) has recently emerged as a pest in Chinese poplar plantations, causing significant economic losses through damage to host trees in association with its mutualistic fungus . This study evaluated the biocontrol potential of strain B-BB-1, strain B-SM-1, its metabolite prodigiosin, and two ectoparasitic mites, and . exhibited significant lethality toward adult female , reduced offspring production, and inhibited growth.
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