Eugnamptus pseudonigriventris
This record describes Eugnamptus pseudonigriventris (species). Recorded family: Attelabidae. Recorded order: Coleoptera.
Identification and Appearance
bicolored; head (including rostrum and antennae), prothorax, scutellum, mesothorax and legs (except metacoxae) yellowish to reddish orange, antennal club and extremities of legs darker; metasternum and ab domen brownish-black to black, metepisternum and anterior metacoxal rims pale or dark; elytra brownish-black to black with distinct bluish sheen to naked eye. Type locality: Big Bend National Park, Brewster Co., TX.
Classification
- Kingdom
- Animalia
- Phylum
- Arthropoda
- Class
- Insecta
- Order
- Coleoptera (Beetles)
- Suborder
- Polyphaga
- Superfamily
- Curculionoidea
- Family
- Attelabidae (Leaf Rolling Weevils)
- Subfamily
- Rhynchitinae
- Tribe
- Rhynchitini
- Genus
- Eugnamptus
Imported taxonomy record. Source availability varies; see the source references and editorial policy below.
Habitat and Range
Habitat
Davis and Chisos Mtns
Geographic Range
w.TX - Map
Additional species information
Species notes from the sources
Etymology: Eugnamptus pseudonigriventris Hamilton, 1990
About Primitive Winged Insects: the wider group
Order-level background for Coleoptera, the group containing Eugnamptus pseudonigriventris. 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 Eugnamptus pseudonigriventris (3)
Photo credits: Contributed by Mike Quinn
Frequently Asked Questions About Eugnamptus pseudonigriventris
What is Eugnamptus pseudonigriventris?
Eugnamptus pseudonigriventris is a species in the family Attelabidae, within the order Coleoptera.
How do you identify Eugnamptus pseudonigriventris?
bicolored; head (including rostrum and antennae), prothorax, scutellum, mesothorax and legs (except metacoxae) yellowish to reddish orange, antennal club and extremities of legs darker; metasternum and ab domen brownish-black to black, metepisternum and anterior metacoxal rims pale or dark; elytra brownish-black to black with distinct bluish sheen to naked eye.
Where is Eugnamptus pseudonigriventris found?
| Feature | Details |
|---|---|
| Habitat | Davis and Chisos Mtns |
| Range | w.TX - Map |