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Species Otiorhynchus meridionalis - Lilac Root Weevil

Snout Beetle - Otiorhynchus meridionalis Black Vine Weevil? - Otiorhynchus meridionalis Lilac Root Weevil - Otiorhynchus meridionalis Lilac Root Weevil - Otiorhynchus meridionalis Lilac Root Weevil - Otiorhynchus meridionalis Entiminae? - Otiorhynchus meridionalis Entiminae? - Otiorhynchus meridionalis Otiorhynchus meridionalis - CU Boulder - Otiorhynchus meridionalis
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 Entiminae (Broad-nosed Weevils)
Tribe Otiorhynchini
Genus Otiorhynchus
Species meridionalis (Lilac Root Weevil)
Explanation of Names
Otiorhynchus (Otiorhynchus) meridionalis Gyllenhal 1834
6.5-9.0 mm(1)
Y-shaped carina on the rostrum diagnostic among NA spp.(1)
native to the Mediterranean, adventive in NA and widespread in w. US (WA-CA to MT-NM)(1)
hosts: adults feed on Oleaceae (Forsythia, Ligustrum, Olea, Syringa); larvae polyphagous(2)(3)
earliest record in our area: CA 1931(3)
Works Cited
1.Insects and Arachnids of Canada Series, Part 25. Coleoptera, Curculionidae, Entiminae.
Donald E. Bright, Patrice Bouchard. 2008. 2008. NRC Research Press, Ottawa, Ontario, Canada.
2.Pests of fruit crops: a colour handbook
Alford D.V. 2007. Academic Press. 480 pp.
3.Immigrant phytophagous insects on woody plants in the United States and Canada: an annotated list
Mattson W.J., Niemela P., Millers I., Inguanzo Y. 1994. General Technical Report NC-169. St. Paul, MN: USDA Forest Service, North Central Forest Experiment Station.