Rhagovelia
Rhagovelia
Classification
- Phylum: Arthropoda
- Subphylum: Hexapoda
- Class: Insecta
- Order: Hemiptera
- Suborder: Heteroptera
- Infraorder: Gerromorpha
- Superfamily: Gerroidea
- Family: Veliidae
- Genus: Rhagovelia
Pronunciation
How to pronounce Rhagovelia: /ræɡoʊˈviːliə/
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Images
Summary
Rhagovelia is a genus of small water striders in the family Veliidae, with a global distribution of about 400 species, known for their unique adaptations that allow them to navigate swiftly across water surfaces.
Physical Characteristics
Very swift gliders that resemble flies skimming just above water.
Identification Tips
Look for smaller water striders that are often found in groups at collecting sites.
Habitat
Found on the surface of fresh and stagnant water bodies.
Distribution
12 species in the US, 1 in southeastern Canada; approximately 400 total species worldwide.
Diet
Feed on small insects and organic matter at the water surface.
Life Cycle
Life cycle includes eggs, nymphs, and adults, with nymphs resembling miniature adults.
Reproduction
Females lay eggs on the surface of water or on aquatic vegetation.
Predators
Predators include larger insects and fish.
Ecosystem Role
Play a role in the aquatic food web, both as predators and prey.
Collecting Methods
- Net collecting from surface of water
- Light trapping near water
Preservation Methods
- Ethanol preservation
- Drying specimens
Evolution
Origins among water striders in the Veliidae family, characterized by a lack of propelling fans on their legs. Evolution derived from gene duplications that allowed for adaptations to faster flowing and turbulent waters.
Misconceptions
Often mistaken for larger aquatic insects or flies due to their gliding behavior.
Tags
- insect
- water strider
- Rhagovelia
- Veliidae
- aquatic insect