Calathus ruficollis grandicollis

Classification

Phylum: Arthropoda
Subphylum: Hexapoda
Class: Insecta
Order: Coleoptera
Suborder: Adephaga
Family: Carabidae
Subfamily: Harpalinae
Supertribe: Harpalitae
Tribe: Sphodrini
Genus: Calathus
Species: ruficollis
Subspecies: grandicollis

Pronunciation

How to pronounce Calathus ruficollis grandicollis: //kəˈlæθəs ruːfɪˈkoʊlɪs ˌɡrændɪˈkoʊlɪs//

These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.

Summary

Calathus ruficollis grandicollis is a flightless, predaceous ground beetle endemic to the western North American region, particularly recognized for its distinctive coloration and role in pest control within its ecosystem.

Physical Characteristics

Calathus ruficollis grandicollis is characterized by a robust body and a striking reddish collar, a notable feature that differentiates it from other subspecies.

Identification Tips

Look for its distinctive red collar and the overall stout build typical of ground beetles. Its flightless nature can be a distinguishing attribute.

Habitat

This subspecies is typically found in a variety of habitats including grasslands, forests, and areas with loose soil, particularly in regions where moisture is available.

Distribution

The range of Calathus ruficollis grandicollis extends from southwestern British Columbia to Humboldt County, California.

Diet

As a predaceous beetle, its diet primarily consists of small insects and larvae.

Life Cycle

Detailed information on the life cycle is sparse, but like other ground beetles, it likely undergoes complete metamorphosis meaning it has egg, larva, pupa, and adult stages.

Reproduction

Reproductive habits are similar to other carabids, where females lay eggs in the soil or among leaf litter which then hatch into larvae.

Predators

Potential predators of Calathus ruficollis grandicollis include birds and larger ground beetles.

Ecosystem Role

This subspecies plays a significant role in controlling pest populations due to its predatory nature, contributing to the balance of its ecosystem.

Similar Taxa

Misconceptions

It is often mistaken for other more common beetles or thought to be just a standard pest, disregarding its ecological importance.