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

Pronotum with stripes well raised above interspaces, straight, nearly parallel, strongly defined
Classification
- Kingdom
- Animalia
- Phylum
- Arthropoda
- Class
- Insecta
- Order
- Coleoptera (Beetles)
- Suborder
- Polyphaga
- Superfamily
- Curculionoidea
- Family
- Curculionidae (Snout and Bark Beetles)
- Subfamily
- Dryophthorinae
- Tribe
- Rhynchophorini
- Genus
- Sphenophorus (Billbugs)
Imported taxonomy record. Source availability varies; see the source references and editorial policy below.
Habitat and Range
Geographic Range
transcontinental in the north (ON‒MN‒BC) south to IN‒TX‒UT‒CA
Additional species information
Species notes from the sources
Etymology: Sphenophorus robustus Horn 1873
About Primitive Winged Insects: the wider group
Order-level background for Coleoptera, the group containing Sphenophorus robustus. 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 Sphenophorus robustus (5)
Photo credits: Contributed by v belov; Additional contributions by Mike Quinn
Frequently Asked Questions About Sphenophorus robustus
What is Sphenophorus robustus?
Sphenophorus robustus is a species in the family Curculionidae, within the order Coleoptera.
How do you identify Sphenophorus robustus?
Pronotum with stripes well raised above interspaces, straight, nearly parallel, strongly defined
Where is Sphenophorus robustus found?
Range: transcontinental in the north (ON‒MN‒BC) south to IN‒TX‒UT‒CA
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.





