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Agabus affinis

Agabus affinis

A species of Agabus

Agabus affinis is a species of beetle native to the Palearctic (including Europe) and the Near East. In Europe, it is only found in Austria, Belarus, Belgium, Great Britain including Shetland, Orkney, Hebrides and Isle of Man, Croatia, the Czech Republic, mainland Danmark, Estonia, Finland, mainland France, Germany, Hungary, the Republic of Ireland, mainland Italy, Kaliningrad, Latvia, Lithuania, Northern Ireland, mainland Norway, Poland, Russia except the South, Slovakia, Sweden, Switzerland, the Netherlands, Ukraine, and Italy.

General Info About Agabus affinis
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Attributes of Agabus affinis
Colors
Brown
Black
Habitat
Small pond with dense vegetation
Adult Food Sources
Aquatic insects, larvae, crustaceans, tadpoles, small fish
Larva Food Source
Aquatic invertebrates, tadpoles, small fish, mosquito larvae, other insect larvae
Biting/stinging
Not reported
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
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Species Status of Agabus affinis
Stable population; common
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Distribution Area of Agabus affinis
Austria, Belarus, Belgium, Great Britain, Shetland, Orkney, Hebrides, Isle of Man, Croatia, Czech Republic, Danmark, Estonia, Finland, France, Germany, Hungary, Ireland, Italy, Kaliningrad, Latvia, Lithuania, Northern Ireland
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Predators of Adult Agabus affinis
Birds, fishes, amphibians, predacious diving beetles
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Interesting Facts About Agabus affinis
Agabus affinis can remain underwater for extended periods by storing air under their elytra, allowing them to survive in aquatic environments.
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Scientific Classification of Agabus affinis
Tips for Finding Agabus affinis
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Youth Habitat of Agabus affinis
Freshwater Habitats
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Adult Habitat of Agabus affinis
Freshwater Habitats
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When is the Best Time to Observe Agabus affinis
The most suitable time to find adult agabus affinis may be night-time or at dusk because many aquatic beetles are more active during the cooler parts of the day and are sometimes attracted to light.
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What is the Best Weather to Observe Agabus affinis
Agabus affinis is typically found in aquatic environments, so calm, overcast days can be the most suitable weather conditions to find them as these insects may become less active under bright sunlight.
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How and Where Can You Find Agabus affinis at Different Life Stages
Egg Agabus affinis eggs are likely laid underwater attached to vegetation or rocks. To find them, carefully inspect underwater plants and surfaces in still or slow-moving waters.
Larva Agabus affinis larvae are aquatic predators and can be sought by gently sifting through aquatic vegetation or detritus at the bottom of freshwater bodies. They are often near the water's edge.
Pupal Pupae of agabus affinis might be found in damp soil or detritus near the water's edge. Searching in these areas with minimal disturbance may yield sightings.
Adult Adult agabus affinis are also aquatic and may be found by using a light trap at the water's edge during dusk or by sweeping a net through vegetation in and around bodies of water.
Are Agabus affinis harmful?
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Beneficial Effects of Agabus affinis
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Predators of Pests
Predators of Pests
Purpose
Feed Itself
Agabus affinis is a fascinating and skillful predator that hunts a variety of aquatic organisms. During both its larval and adult life stages, agabus affinis actively preys on the larvae of other insects, small fishes, and tadpoles. This predator subdues its prey using its sharp mandibles, predominantly to satiate its own hunger. This aquatic hunter has evolved to become a proficient swimmer, making it an efficient control agent of pond and stream pests.
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