Diomus bigemmeus
This record describes Diomus bigemmeus (species). Recorded family: Coccinellidae. Recorded order: Coleoptera.
Identification and Appearance

Gordon's Figures - Elytron with single yellow spot on disc, or with yellow spot on disc narrowly connected to broad, apical, yellow area
Classification
- Kingdom
- Animalia
- Phylum
- Arthropoda
- Class
- Insecta
- Order
- Coleoptera (Beetles)
- Suborder
- Polyphaga
- Superfamily
- Coccinelloidea
- Family
- Coccinellidae (Lady Beetles)
- Subfamily
- Scymninae
- Tribe
- Diomini
- Genus
- Diomus
Imported taxonomy record. Source availability varies; see the source references and editorial policy below.
Habitat and Range
Habitat
most records from coastal locations ( 3 )
Geographic Range
FL peninsula - Map , W. Indies Chapin reported 2 females tentatively identified as D. bigemmeus by Gordon who explained (pers. comm. to JBC, 1974) that positive identification is not possible without males.
About Primitive Winged Insects: the wider group
Order-level background for Coleoptera, the group containing Diomus bigemmeus. 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 Diomus bigemmeus (5)
Photo credits: Contributed by Mike Quinn
Frequently Asked Questions About Diomus bigemmeus
What is Diomus bigemmeus?
Diomus bigemmeus is a species in the family Coccinellidae, within the order Coleoptera.
How big is Diomus bigemmeus?
1.4-1.5 mm
How do you identify Diomus bigemmeus?
Gordon's Figures - Elytron with single yellow spot on disc, or with yellow spot on disc narrowly connected to broad, apical, yellow area
Where is Diomus bigemmeus found?
| Feature | Details |
|---|---|
| Habitat | most records from coastal locations ( 3 ) |
| Range | FL peninsula - Map , W. Indies Chapin reported 2 females tentatively identified as D. bigemmeus by Gordon who explained (pers. comm. to JBC, 1974) that positive identification is not possible without males. |
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