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Baetis

Baetis alpinus

A species of Baetis

Baetis is a genus of mayflies of the family Baetidae, known as the blue-winged olive to anglers. There are at least 150 described species in Baetis. They are distributed worldwide, with the most variety in North America and northern Europe.

General Info About Baetis
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Attributes of Baetis
Colors
Brown
Black
Yellow
Allergy-causing
Not reported
Defensive attack
Not reported
Venomous
Not reported
Non-poisonous
Not reported
Borer
Not reported
Pollinator
Not reported
Pest-Eating Predatory
Not reported
Phytophagous
Not reported
Predatory
Not reported
Biting animal or pet
Not reported
Mouthparts Type
Vestigial
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Species Status of Baetis
Widespread and abundant
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Distribution Area of Baetis
European
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Life Cycle of Baetis
Egg The egg stage consists of the deposited ova which are usually laid in clusters or strings. Submerged or attached to aquatic vegetation, the eggs are often enveloped in a gelatinous substance for protection.
Naiad Upon hatching, the naiads undergo multiple instars, shedding their exoskeletons as they grow. These aquatic naiads possess gills for underwater respiration and exhibit a dull coloration for camouflage. They actively forage for food and evade predators.
Subimago The transition stage between nymph and adult, known as a subimago, occurs after emergence from water. Subimagos have cloudy wings and a softer exoskeleton, and they are not yet sexually mature. Their primary purpose is to find a safe place for final molting.
Adult Emerging from the subimago, the adult baetis is characterized by clear and veined wings, and a slender body, optimized for brief flights. Adults do not feed; their primary function is to reproduce before they die, usually within a few days.
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Predators of Baetis Larvae
Frogs, toads, birds, jumping spiders, mantises, geckos
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Predators of Adult Baetis
Birds, jumping spiders, mantises, dragonflies
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Scientific Classification of Baetis
Tips for Finding Baetis
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Youth Habitat of Baetis
Freshwater Habitats, Mountains and Alpine Regions
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Adult Habitat of Baetis
Mountains and Alpine Regions, Forests and Woodlands, Freshwater Habitats
Are Baetis harmful?
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Beneficial Effects of Baetis
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Explore how insects help as pollinators, pest predators, and biocontrol agents. From seed dispersal to decomposition, they play vital roles in our ecosystem.
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Bioindicators
Bioindicators
Stage
Naiads
Baetis serves as a crucial environmental indicator, particularly in its naiad stage. By observing the population and health of the naiads in freshwater ecosystems, scientists can deduce water quality and stream habitat health. Baetis's sensitivity to pollution makes it an ideal bioindicator for assessing changes in ecological conditions and the impact of human activities on aquatic environments. Its presence and abundance provide insights into the level of pollutants and the biological integrity of water bodies.
Common Questions People Also Ask
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