Eucryptorrhynchus brandti

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Eucryptorrhynchus brandti
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Coleoptera
Infraorder: Cucujiformia
Family: Curculionidae
Genus: Eucryptorrhynchus
Species:
E. brandti
Binomial name
Eucryptorrhynchus brandti
Harold

Eucryptorrhynchus brandti, the snout weevil, is an insect in the weevil family. [1] In its native range in China, it causes significant damage to its single host, Ailanthus altissima , tree of heaven. [2] Thus the weevil is under study as a biological control of tree of heaven in regions where the tree is non-native. [3] In particular, the insect acts as a vector for Verticillium nonalfalfae , [4] a soilborne fungus that causes verticillium wilt.

Eucryptorrhynchus brandti produces one generation per year, with larvae and adults overwintering. Adult weevils feed on leaves, buds, and petioles. Larvae develop under the bark of the host plant, boring and feeding, to emerge as adults through round emergence holes 4 millimeters in diameter. [3] [5]

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<span class="mw-page-title-main">Weevil</span> Superfamily of beetles

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<i>Ailanthus altissima</i> Deciduous tree in the family Simaroubaceae

Ailanthus altissimaay-LAN-thəss al-TIH-sim-ə, commonly known as tree of heaven, Ailanthus, varnish tree, copal tree, stinking sumac, Chinese sumac, paradise tree, or in Chinese as chouchun, is a deciduous tree in the family Simaroubaceae. It is native to northeast and central China, and Taiwan. Unlike other members of the genus Ailanthus, it is found in temperate climates rather than the tropics.

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<i>Verticillium nonalfalfae</i> Species of fungus

Verticillium nonalfalfae is a soilborne fungus in the order Hypocreales. It causes verticillium wilt in some plant species, particularly Ailanthus altissima. The fungus produces a resting mycelium characterized by brown-pigmented hyphae. It is most closely related to V. dahliae and V. alfalfae.

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References

  1. "Taxonomy - Eucryptorrhynchus brandti (Snout weevil)". UniProt. UniProt Consortium. Retrieved 17 May 2021.
  2. Guo, Wenjuan; Yang, Kailang; Zhang, Ganyu; Wen, Junbao (5 August 2019). "Supplementary Nutrition of Eucryptorrhynchus brandti (Coleoptera: Curculionidae: Cryptorrhychinae): Effect of Ailanthus altissima Host Tissues on Ovary Maturation and Oviposition". Environmental Entomology. 48 (4): 953–960. doi:10.1093/ee/nvz073. PMID   31188426 . Retrieved 7 June 2021.
  3. 1 2 Kok, L. T.; Salom, S. M.; Yan, S.; Herrick, N. J.; McAvoy, T. J. (2008). "Quarantine evaluation of Eucryptorrhynchus brandti (Harold) (Coleoptera: Curculionidae), a potential biological control agent of tree of heaven, Ailanthus altissima, in Virginia, USA" (PDF). Proceedings of the XII International Symposium on Biological Control of Weeds: La Grande Motte, France, 22–27 April 2007. Cambridge, MA. pp. 292–300. Retrieved 17 May 2021.
  4. Snyder, A. L.; Salom, S. M.; Kok, L. T.; Griffin, G. J.; Davis, D. D. (9 August 2012). "Assessing Eucryptorrhynchus brandti (Coleoptera: Curculionidae) as a potential carrier for Verticillium nonalfalfae (Phyllachorales) from infected Ailanthus altissima". Biocontrol Science and Technology. 22 (9): 1005–1019. Bibcode:2012BioST..22.1005S. doi:10.1080/09583157.2012.707639. S2CID   85601294 . Retrieved 7 June 2021.
  5. Zhang, Gan-Yu; Ji, Ying-Chao; Gao, Peng; Wen, Jun-Bao (4 September 2019). "Oviposition Behavior and Distribution of Eucryptorrhynchus scrobiculatus and E. brandti (Coleoptera: Curculionidae) on Ailanthus altissima (Mill.)". Insects. 10 (9): 284. doi: 10.3390/insects10090284 . PMC   6780713 . PMID   31487840.