Cantharis

Pronunciation

How to pronounce Cantharis: //ˈkænθərɪs//

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Summary

Cantharis is a genus of soldier beetles notable for its narrow elytra and predatory larvae, found typically in northern regions of North America and associated with herbaceous habitats.

Physical Characteristics

Narrow and soft elytra, typically features elongated body shape characteristic of soldier beetles.

Identification Tips

Look for the soft-bodied, narrow elytra and the general elongated shape of the beetle, distinguishing it from other beetles.

Habitat

Typically found on low herbs and shrubs, mainly in northern regions of North America.

Distribution

Holarctic, including much of Northern America.

Diet

Feeds primarily on nectar and pollen; some species may prey on smaller insects.

Life Cycle

Life cycle includes egg, larva, pupa, and adult stages. Larvae are known to be predatory.

Reproduction

Mating occurs in late spring to early summer with females laying eggs in the soil or on vegetation.

Ecosystem Role

Act as pollinators and contribute to the control of pest populations due to their predatory larvae.

Health Concerns

Potential confusion with the Spanish fly (Cantharis vesicatoria), which is poisonous and not related to the genus Cantharis.

Collecting Methods

• Sweep netting from low herbs and shrubs
• Hand collection during active periods

Preservation Methods

• Pinned collection specimens
• Preserved in ethanol for future study

Evolution

The genus Cantharis has undergone taxonomic revisions, previously encompassing a broader range of species before delineation into the subgenus classifications.

Similar Taxa

• Lytta vesicatoria (Spanish fly, now classified in a different family)

Misconceptions

Often confused with the Spanish fly due to similar naming conventions, but they are not taxonomically related.

Tags

• beetle
• Cantharidae
• soldier beetle
• Holarctic
• predatory