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Diuncus haberkorni, is a species of weevil found in India, Sri Lanka, Bangladesh, Taiwan, Java, Japan, Malaysia, New Guinea, South Korea, Taiwan, Thailand, and Vietnam. It is also imported to African countried such as South Africa, and Tanzania.

Description

Body length is about 1.9 to 2.8 mm. The elytral summit is armed by two pairs of large denticles. Pronotum as long as wide where the basal half is punctate. Elytral declivity weakly bisulcate. Elytral interstriae 1, 3 to 6 are flat to weakly convex. This gives the finely sculptured appearance for the declivity.

A polyphagous species, it is found from many host plants.

Host plants

• Artocarpus dadah
• Coffea liberica
• Dalbergia latifolia
• Gluta curtisii
• Eugenia jambolana
• Falcataria moluccana
• Mangifera indica
• Neolitsea konishii
• Parkia speciosa
• Piper
• Salix tetrasperma
• Shorea maxwelliana
• Shorea ovata
• Shorea robusta
• Swietenia mahagoni
• Tectona grandis
• Terminalia myriocarpa
• Theobroma cacao
• Toona sinensis
• Tristania whiteana
• Turpinia pomifera
• Vitex pubescens
• Zelkova serrata

References

1. "Taxonomic changes and new records of Japanese bark and ambrosia beetles (Coleoptera, Curculionidae, Scolytinae)". researchgate.net. Retrieved 2021-09-05.
2. "ambrosia beetle: Xyleborus haberkorni (Coleoptera: Curculionidae)". www.barkbeetles.org. Retrieved 2021-09-06.
3. "Diuncus haberkorni: Xyleborini Ambrosia Beetles". xyleborini.myspecies.info. Retrieved 2021-09-06.
4. ^ "SE Asian Ambrosia Beetle ID: Fact sheet". idtools.org. Retrieved 2021-09-06.
5. "Bark and Ambrosia Beetles of , Diuncus haberkorni (Eggers 1920)". www.barkbeetles.info. Retrieved 2021-09-06.

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