Trigonarthris atrata
This record describes Trigonarthris atrata (species). Recorded family: Cerambycidae. Recorded order: Coleoptera.
Identification and Appearance
more weakly pubescent pronotum , elytral coloration tends to be slightly more reddish-orange, and the body slighly broader , pronotum with distinct angles at middle of side
Classification
- Kingdom
- Animalia
- Phylum
- Arthropoda
- Class
- Insecta
- Order
- Coleoptera (Beetles)
- Suborder
- Polyphaga
- Superfamily
- Chrysomeloidea
- Family
- Cerambycidae (Longhorn Beetles)
- Subfamily
- Lepturinae
- Tribe
- Lepturini
- Genus
- Trigonarthris
Imported taxonomy record. Source availability varies; see the source references and editorial policy below.
Habitat and Range
Geographic Range
Great Plains (SD-TX), plus one record from FL panhandle (Liberty Co.) - Map ( 3 ) ( 4 ) (BG data) ( 5 )
Seasonal Activity
Apr-Jun
Diet and Behavior
Diet: Larvae may feed in Ulmus
Additional species information
Species notes from the sources
Etymology: atrata = 'blackened' (holotype all black)
About Primitive Winged Insects: the wider group
Order-level background for Coleoptera, the group containing Trigonarthris atrata. 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 Trigonarthris atrata (5)
Photo credits: Contributed by v belov; Additional contributions by Mike Quinn
Frequently Asked Questions About Trigonarthris atrata
What is Trigonarthris atrata?
Trigonarthris atrata is a species in the family Cerambycidae, within the order Coleoptera.
How big is Trigonarthris atrata?
13-18 mm
How do you identify Trigonarthris atrata?
more weakly pubescent pronotum , elytral coloration tends to be slightly more reddish-orange, and the body slighly broader , pronotum with distinct angles at middle of side
Where is Trigonarthris atrata found?
Range: Great Plains (SD-TX), plus one record from FL panhandle (Liberty Co.) - Map ( 3 ) ( 4 ) (BG data) ( 5 )
What does Trigonarthris atrata eat?
The diet of the Trigonarthris atrata includes Larvae may feed in Ulmus.
When is Trigonarthris atrata active?
Trigonarthris atrata: seasonal activity - Apr-Jun.