Thermonectus nigrofasciatus
This record describes Thermonectus nigrofasciatus (species). Recorded family: Dytiscidae. Recorded order: Coleoptera.
Identification and Appearance

Diagnosis : Det. Iustin Cret, 2015
Identification notes
Diagnosis : Det. Iustin Cret, 2015
Wikipedia reference for Thermonectus nigrofasciatus: http://en.wikipedia.org/wiki/Thermonectus_nigrofasciatus.
Classification
- Kingdom
- Animalia
- Phylum
- Arthropoda
- Class
- Insecta
- Order
- Coleoptera (Beetles)
- Suborder
- Adephaga
- Family
- Dytiscidae (Predaceous Diving Beetles)
- Subfamily
- Dytiscinae
- Tribe
- Aciliini
- Genus
- Thermonectus
Imported taxonomy record. Source availability varies; see the source references and editorial policy below.
Habitat and Range
Geographic Range
e. US to AZ
Seasonal Activity
June-Nov (BG data)
About Primitive Winged Insects: the wider group
Order-level background for Coleoptera, the group containing Thermonectus nigrofasciatus. 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 Thermonectus nigrofasciatus (3)
Photo credits: Contributed by Tim Loh; Additional contributions by Mike Quinn , mpintar
Frequently Asked Questions About Thermonectus nigrofasciatus
What is Thermonectus nigrofasciatus?
Thermonectus nigrofasciatus is a species in the family Dytiscidae, within the order Coleoptera.
How do you identify Thermonectus nigrofasciatus?
Diagnosis : Det. Iustin Cret, 2015
Where is Thermonectus nigrofasciatus found?
Range: e. US to AZ
When is Thermonectus nigrofasciatus active?
Thermonectus nigrofasciatus: seasonal activity - June-Nov (BG data).
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