Didion nanum 0
Didion nanum
This record describes Didion nanum (species). Recorded family: Coccinellidae. Recorded order: Coleoptera.
Identification and Appearance
Color black; anterolateral angle of pronotum, mouthparts and leg dark reddish brown. Punctation on head fine, punctures separated by a diameter or less. Pronotum with punctures equal in size to those on head, separated by less than to twice a diameter; lateral margins not convergent anteriorly, rounded in apical 1/4. Elytron smooth, shiny, punctures coarser than on pronotum, separated by a diameter or less; pubescence grayish white, arranged in S-curve. Gordon's figures Type locality: Missouri Territory (lectotype)
Classification
- Kingdom
- Animalia
- Phylum
- Arthropoda
- Class
- Insecta
- Order
- Coleoptera (Beetles)
- Suborder
- Polyphaga
- Superfamily
- Coccinelloidea
- Family
- Coccinellidae (Lady Beetles)
- Subfamily
- Scymninae
- Tribe
- Scymnini
- Genus
- Didion
Imported taxonomy record. Source availability varies; see the source references and editorial policy below.
Habitat and Range
Geographic Range
New England to Midwest - Map (dots)
Additional species information
Species notes from the sources
Etymology: nanus (L). 'dwarf'
About Primitive Winged Insects: the wider group
Order-level background for Coleoptera, the group containing Didion nanum. 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.
Frequently Asked Questions About Didion nanum 0
What is Didion nanum 0?
Didion nanum 0 (Didion nanum) is a species in the family Coccinellidae, within the order Coleoptera.
How big is Didion nanum 0?
Length 1.50 to 1.80 mm
How do you identify Didion nanum 0?
Color black; anterolateral angle of pronotum, mouthparts and leg dark reddish brown. Punctation on head fine, punctures separated by a diameter or less. Pronotum with punctures equal in size to those on head, separated by less than to twice a diameter; lateral margins not convergent anteriorly, rounded in apical 1/4. Elytron smooth, shiny, punctures coarser than on pronotum, separated by a diameter or less; pubescence grayish white, arranged in S-curve. Gordon's figures
Where is Didion nanum 0 found?
Range: New England to Midwest - Map (dots)