Otiorhynchus raucus
This record describes Otiorhynchus raucus (species). Recorded family: Curculionidae. Recorded order: Coleoptera.
Identification and Appearance

Classification
- Kingdom
- Animalia
- Phylum
- Arthropoda
- Class
- Insecta
- Order
- Coleoptera (Beetles)
- Suborder
- Polyphaga
- Superfamily
- Curculionoidea
- Family
- Curculionidae (Snout and Bark Beetles)
- Subfamily
- Entiminae
- Tribe
- Otiorhynchini
- Genus
- Otiorhynchus
Imported taxonomy record. Source availability varies; see the source references and editorial policy below.
Habitat and Range
Geographic Range
native to w. Palaearctic (Europe to Kazakhstan) , adventive in NA and widespread in the north (across so. Canada & adjacent US)
Seasonal Activity
adults in spring and summer
Diet and Behavior
Diet: polyphagous ( 3 ) ; some commercially important food plants in NA listed in ( 5 )
Additional species information
Species notes from the sources
Etymology: Otiorhynchus (Choilisanus) raucus (Fabricius 1776)
About Primitive Winged Insects: the wider group
Order-level background for Coleoptera, the group containing Otiorhynchus raucus. Species-specific details appear above.
Group overview
Coleoptera is the largest order of insects with over 400,000 described species, representing ~25% of all known animal species and ~40% of all insects. In the U.S. alone, nearly 30,000 beetle species have been identified.
Ecological role of the group
Beetles are prominent decomposers, especially in forests, breaking down dead wood and recycling nutrients. As predators, they reduce populations of pest insects. Many species are also important pollinators of flowering plants.
Economic and practical significance of the group
Beetles have major economic significance: leaf beetles (Chrysomelidae) and weevils (Curculionoidea) are among the most destructive agricultural pests globally, costing billions annually, while predatory species like ladybugs provide natural pest control.
Recorded sources for this group: Britannica, Smithsonian, NCSU Entomology. Imported estimates may describe particular regions or reporting periods.
Photos of Otiorhynchus raucus (5)
Photo credits: Contributed by Robin McLeod; Additional contributions by v belov
Frequently Asked Questions About Otiorhynchus raucus
How big is Otiorhynchus raucus?
5.5-7.5 mm
Where is Otiorhynchus raucus found?
Range: native to w. Palaearctic (Europe to Kazakhstan) , adventive in NA and widespread in the north (across so. Canada & adjacent US)
What does Otiorhynchus raucus eat?
The diet of the Otiorhynchus raucus includes polyphagous ( 3 ) ; some commercially important food plants in NA listed in ( 5 ).
When is Otiorhynchus raucus active?
Otiorhynchus raucus: seasonal activity - adults in spring and summer.
FROM LOOKING IT UP TO GETTING TO KNOW IT
Make sense of the bugs at home.50 household bug profiles for you. Photos, coloring, and activities for curious kids.





