Tenebroides semicylindricus
This record describes Tenebroides semicylindricus (species). Recorded family: Trogossitidae. Recorded order: Coleoptera.
Identification and Appearance

body the most cylindrical in the genus; crenulate pronotal sides are unique • Syntype
Classification
- Kingdom
- Animalia
- Phylum
- Arthropoda
- Class
- Insecta
- Order
- Coleoptera (Beetles)
- Suborder
- Polyphaga
- Superfamily
- Cleroidea
- Family
- Trogossitidae
- Subfamily
- Trogossitinae
- Genus
- Tenebroides
Imported taxonomy record. Source availability varies; see the source references and editorial policy below.
Habitat and Range
Geographic Range
e.US (*MD‒VA‒FL‒TX) & Mexico (*BG data)
Additional species information
Species notes from the sources
Etymology: Tenebroides semicylindricus (Horn 1862)
About Primitive Winged Insects: the wider group
Order-level background for Coleoptera, the group containing Tenebroides semicylindricus. 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 Tenebroides semicylindricus (5)
Photo credits: Contributed by margarethe brummermann; Additional contributions by Mike Quinn , v belov
Frequently Asked Questions About Tenebroides semicylindricus
What is Tenebroides semicylindricus?
Tenebroides semicylindricus is a species in the family Trogossitidae, within the order Coleoptera.
How big is Tenebroides semicylindricus?
4.5‒11.0 mm
How do you identify Tenebroides semicylindricus?
body the most cylindrical in the genus; crenulate pronotal sides are unique • Syntype
Where is Tenebroides semicylindricus found?
Range: e.US (*MD‒VA‒FL‒TX) & Mexico (*BG data)
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