A Review of the Host Plant Location and Recognition Mechanisms of Asian Longhorn Beetle

The Asian longhorn beetle (ALB), Motschulsky, is a polyphagous xylophage with dozens of reported host tree species. However, the mechanisms by which individuals locate and recognize host plants are still unknown. We summarize the current knowledge of the host plant list, host kairomones, odorant-bin...

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Bibliographic Details
Published in:Insects (Basel, Switzerland) Switzerland), 2023-03, Vol.14 (3), p.292
Main Authors: Lyu, Fei, Hai, Xiaoxia, Wang, Zhigang
Format: Article
Language:English
Subjects:
3-Carene
Adults
Analysis
Anoplophora glabripennis
Asian long-horned beetle
Beetles
Binding
Biodiversity
Caryophyllene
Chemical compounds
Complementarity
Control
Cues
Cultivars
Damage
Ecological effects
Flowers & plants
Fungi
Growth
host kairomone
Host location
host plant list
Host plants
Insect traps
Insects
Introduced species
Invasive species
Kairomones
Linalool
Localization
Microbial activity
microbial symbionts
Microbiota
Microorganisms
Monitoring
OBP
Pest resistance
Pesticides
Pheromones
Plant species
Proteins
Recognition
Review
Sex
Sex pheromone
Symbionts
Timber
Trapping
Trees
visual ecology
Visual signals
Visual stimuli
VOCs
Volatile organic compounds
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Description
Summary:The Asian longhorn beetle (ALB), Motschulsky, is a polyphagous xylophage with dozens of reported host tree species. However, the mechanisms by which individuals locate and recognize host plants are still unknown. We summarize the current knowledge of the host plant list, host kairomones, odorant-binding proteins (OBPs) and microbial symbionts of this beetle and their practical applications, and finally discuss the host localization and recognition mechanisms. A total of 209 species (or cultivars) were reported as ALB host plants, including 101 species of higher sensitivity; host kairomones were preferentially bound to ALB recombinant OBPs, including -3-hexen-1-ol, -3-carene, nonanal, linalool, and -caryophyllene. In addition, microbial symbionts may help ALB degrade their host. Complementarity of tree species with different levels of resistance may reduce damage, but trapping effectiveness for adults was limited using a combination of host kairomones and sex pheromones in the field. Therefore, we discuss host location behavior from a new perspective and show that multiple cues are used by ALB to locate and recognize host plants. Further research into host resistance mechanisms and visual signal recognition, and the interaction of sex pheromone synthesis, symbiont microbiota, and host plants may help reveal the host recognition mechanisms of ALBs.
ISSN:2075-4450
2075-4450
DOI:10.3390/insects14030292