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

Scymnus securus (Scymnus securus) is a species in the family Coccinellidae, commonly known as lady beetles, belonging to the order Coleoptera (Beetles). It is classified within the subfamily Scymninae, tribe Scymnini, suborder Polyphaga, superfamily Coccinelloidea. This species belongs to the genus Scymnus. Size: 2.1-2.5 mm 1.9-2.3 mm in LA. Found in grassy coastal marsh. Active during May-Oct in LA.
Classification
- Kingdom
- Animalia
- Phylum
- Arthropoda
- Class
- Insecta
- Order
- Coleoptera (Beetles)
- Suborder
- Polyphaga
- Superfamily
- Coccinelloidea
- Family
- Coccinellidae (Lady Beetles)
- Subfamily
- Scymninae
- Tribe
- Scymnini
- Genus
- Scymnus
Imported taxonomy record. Source availability varies; see the source references and editorial policy below.
Habitat and Range
Habitat
grassy coastal marsh
Geographic Range
coastal e. US (LA-FL-MA, Ont) - Map
Seasonal Activity
May-Oct in LA
Additional species information
Species notes from the sources
Etymology: Scymnus securus J. Chapin, 1973
About Primitive Winged Insects: the wider group
Order-level background for Coleoptera, the group containing Scymnus securus. 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 Scymnus securus (5)
Photo credits: Contributed by Abigail Parker; Additional contributions by Mike Quinn , PaleoJon
Frequently Asked Questions About Scymnus securus
What is Scymnus securus?
Scymnus securus is a species in the family Coccinellidae, within the order Coleoptera.
How big is Scymnus securus?
2.1-2.5 mm 1.9-2.3 mm in LA
Where is Scymnus securus found?
| Feature | Details |
|---|---|
| Habitat | grassy coastal marsh |
| Range | coastal e. US (LA-FL-MA, Ont) - Map |
When is Scymnus securus active?
Scymnus securus: seasonal activity - May-Oct in LA.
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