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Species Oxyops vitiosa - Melaleuca Leaf Weevil

Oxyops vitiosa (Pascoe) - Oxyops vitiosa
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Polyphaga (Water, Rove, Scarab, Long-horned, Leaf and Snout Beetles)
No Taxon (Series Cucujiformia)
Superfamily Curculionoidea (Snout and Bark Beetles)
Family Curculionidae (Snout and Bark Beetles)
Subfamily Gonipterinae
Genus Oxyops
Species vitiosa (Melaleuca Leaf Weevil)
Explanation of Names
Oxyops vitiosa (Pascoe)
Adult 6-9 mm (1).Larva can reach 14 mm.
native to Australia, introduced to the US (FL 1997)(1)
in FL established in dry or seasonally wet habitats but failed to establish in fully aquatic habitats due to a lack of suitable pupation sites(1)
Host: broad-leaved paperbark (Melaleuca quinquenervia)(1). It also feeds on other members of the Myrtaceae family, including native ones, but doesn't seem to cause serious damage.
Life Cycle
Female lays about 470 eggs in her lifetime. Larval development takes about 28 days. Drop to the ground to pupate. Total time from egg to adult about 48 days.
introduced to control its host, Melaleuca quinquenervia, an invasive weedy tree from Australia(1)
Print References
Balciunas, J.K., D.W. Burrows, and M.F. Purcell. 1994. Field and laboratory host ranges of the Australian weevil, Oxyops vitiosa (Coleoptera: Curculionidae) a potential biological control agent for the paperbark tree, Melaleuca quinquenervia. Biol. Control. 4: 351-360.
Center, T.D. et al. 2000. Field colonization of the melaleuca snout beetle (Oxyops vitiosa) in south Florida. Biological Control 19: 112-123.
Purcell, M.F. and J.K. Balciunas. 1994. Life-history and distribution of the Australian weevil Oxyops vitiosa (Coleoptera: Curculionidae), a potential biological control agent for Melaleuca quinquenervia (Myrtaceae). Ann. Entomol. Soc. Am. 87: 867-873.
Internet References
Works Cited
1.Insects and other arthropods that feed on aquatic and wetland plants
Center T.D., Dray F.A., Jubinsky G.P., Grodowitz M.J. 2002. USDA ARS, Technical Bulletin 1870. 200 pp.