Trirhabda geminata
This record describes Trirhabda geminata (species). Recorded family: Chrysomelidae. Recorded order: Coleoptera.
Identification and Appearance
Identification notes
syntype
Classification
- Kingdom
- Animalia
- Phylum
- Arthropoda
- Class
- Insecta
- Order
- Coleoptera (Beetles)
- Suborder
- Polyphaga
- Superfamily
- Chrysomeloidea
- Family
- Chrysomelidae (Leaf Beetles)
- Subfamily
- Galerucinae
- Tribe
- Galerucini
- Genus
- Trirhabda
Imported taxonomy record. Source availability varies; see the source references and editorial policy below.
Habitat and Range
Habitat
Dry chaparral, desert scrub, and coastal sage scrub
Geographic Range
sw US (s.CA to w.TX, CO to NV) - Map , most records s.CA to AZ
Diet and Behavior
Diet: Larval hosts: Encelia spp. (Asteraceae)
Additional species information
Species notes from the sources
Etymology: Trirhabda geminata Horn 1893
About Primitive Winged Insects: the wider group
Order-level background for Coleoptera, the group containing Trirhabda geminata. 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 Trirhabda geminata (5)
Photo credits: Contributed by Hartmut Wisch; Additional contributions by Mike Quinn , Aaron Schusteff , v belov
Frequently Asked Questions About Trirhabda geminata
How big is Trirhabda geminata?
5.0‒7.0 mm
How do you identify Trirhabda geminata?
syntype
Where is Trirhabda geminata found?
| Feature | Details |
|---|---|
| Habitat | Dry chaparral, desert scrub, and coastal sage scrub |
| Range | sw US (s.CA to w.TX, CO to NV) - Map , most records s.CA to AZ |
What does Trirhabda geminata eat?
The diet of the Trirhabda geminata includes Larval hosts: Encelia spp. (Asteraceae).