ColeopteraDytiscidae

Scarodytes halensis

This record describes Scarodytes halensis (species). Recorded family: Dytiscidae. Recorded order: Coleoptera.

Identification and Appearance

Scarodytes halensis - Scarodytes halensis

Length 3.8 to 4.3 mm with lateral furrows on the pronotum and ladder-like first and second elytral stripes. This is the only species in this genus. The oval body, strong dorsal striped patterning (usually 5 stripes) and a dark underside are all useful features. There are numerous other diving beetles with dark longitudinal stripes on pale, yellow elytra. Unless identified by a recognised expert, a photo is required and the specimen should be examined with a microscope. In the comments box, state the key or ID method used and describe the size and identifying characters. Base-rich, even polluted, pools and ditches with sparse vegetation. No additional images available for this species.

Classification

Kingdom
Animalia
Phylum
Arthropoda
Class
Insecta
Genus
Scarodytes

Imported taxonomy record. Source availability varies; see the source references and editorial policy below.

Habitat and Range

Habitat

Base-rich, even polluted, pools and ditches with sparse vegetation.

Seasonal Activity

All year, peaking in April and August..

Additional species information

Recorded status

Widespread in England.

About Primitive Winged Insects: the wider group

Order-level background for Coleoptera, the group containing Scarodytes halensis. 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.

Explore Coleoptera families and species →

Photos of Scarodytes halensis (3)

Scarodytes halensis - photo 1
Scarodytes halensis - photo 2
Scarodytes halensis - photo 3

Frequently Asked Questions About Scarodytes halensis

What is Scarodytes halensis?

Scarodytes halensis is a species in the family Dytiscidae, within the order Coleoptera.

How big is Scarodytes halensis?

3.8 to 4.3 mm with lateral furrows on the pronotum and ladder-like first and second elytral stripes. This is the only species in this genus. The oval body, strong dorsal striped patterning (usually 5 stripes) and a dark underside are all useful features.

Where is Scarodytes halensis found?

Habitat: Base-rich, even polluted, pools and ditches with sparse vegetation.

When is Scarodytes halensis active?

Scarodytes halensis: seasonal activity - All year, peaking in April and August...