Hydaticus
Hydaticus
Classification
- Phylum: Arthropoda
- Subphylum: Hexapoda
- Class: Insecta
- Order: Coleoptera
- Suborder: Adephaga
- Family: Dytiscidae
- Subfamily: Dytiscinae
- Tribe: Hydaticini
- Genus: Hydaticus
Pronunciation
How to pronounce Hydaticus: //hʌɪˈdætɪkəs//
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Images
Summary
Hydaticus is a genus of predatory water beetles in the family Dytiscidae, comprising approximately 150 species worldwide, with some found abundantly in North America. They inhabit aquatic environments and play an important role in their ecosystems as predators.
Physical Characteristics
11-15.4 mm in length; predatory water beetles, generally noted for their elongated bodies and streamlined shape.
Identification Tips
Key identification features include the shape and size of the body, coloration, and specific morphological traits found in each species.
Habitat
Densely vegetated areas of ponds and eutrophic lakes.
Distribution
Holarctic region. Four species present in eastern North America, with H. aruspex being transcontinental in North America.
Diet
Predatory; they feed on other aquatic organisms.
Life Cycle
Adults are typically encountered all year round, with most activity occurring from spring through fall. Northern species overwinter as adults and mate in the spring; larvae complete development by early summer.
Reproduction
Mating occurs in the spring following overwintering, leading to the development of larvae in summer.
Ecosystem Role
Predators in aquatic ecosystems, playing a crucial role in controlling populations of prey species.
Evolution
Hydaticus is a genus within the Dytiscidae family, illustrating adaptive traits suited for aquatic life.
Tags
- Hydaticus
- predatory beetles
- aquatic insects
- Ecosystem Role
- Holarctic