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Northern bluet

Northern bluet

Enallagma annexum

A species of Bluets

Enallagma annexum, the northern bluet, is a species of damselfly in the family Coenagrionidae. Enallagma annexum was formerly included with Enallagma cyathigerum.

General Info About Northern bluet
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Attributes of Northern bluet
Colors
Black
Blue
Habitat
pond; marsh; slow stream
Adult Food Sources
Flying insects, mosquitoes, small moths, mayflies, flies
Larva Food Source
Small aquatic invertebrates, zooplankton, mosquito larvae, water fleas (daphnia), tadpoles
Biting/stinging
Not reported
Allergy-causing
Not reported
Defensive attack
Not reported
Pest-Eating Predatory
Not reported
Phytophagous
Not reported
Predatory
The Northern bluet typically preys on other arthropods and does not directly affect plants.
Biting animal or pet
Yes
Mouthparts Type
Chewing mouthparts
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Species Status of Northern bluet
Common and widespread
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Predators of Northern bluet Larvae
Frogs and toads, birds, fish, larger aquatic insects such as predaceous diving beetles and water scorpions
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Predators of Adult Northern bluet
Birds, spiders, frogs and toads, insectivorous mammals, larger dragonflies
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Interesting Facts About Northern bluet
Distinct among its peers, northern bluet can regulate its body temperature by changing the angle of its abdomen, a method known as 'obelisking'.
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Scientific Classification of Northern bluet
Tips for Finding Northern bluet
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How Can You Attract Northern bluet
It is not common to use trap food to find northern bluet, as they are predatory and their hunting behaviors must be observed in their natural habitats for successful spotting.
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Habitat Preferences of Northern bluet Through Different Life Stages
The egg stage of northern bluet are typically found submerged on aquatic plants in freshwater habitats like ponds and slow-moving streams. The naiad stage, or naiads, inhabit the benthic zones of similar waters, hiding in debris or sediment. For the adult stage of northern bluet, one would look for them in areas adjacent to water bodies where they commonly perch on vegetation or dart over the water surface seeking mates and preying on small insects. These locations provide both the necessary resources for feeding and the opportunity to lay eggs in appropriate aquatic environments, continuing their lifecycle.
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When is the Best Time to Observe Northern bluet
The best time to find northern bluet is during warm, sunny days typically from late spring through summer into early fall, as this is when they are most active.
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What is the Best Weather to Observe Northern bluet
Calm, warm, and sunny weather with little to no wind is ideal for finding northern bluet, as they prefer to fly and hunt in these conditions.
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How and Where Can You Find Northern bluet at Different Life Stages
Egg Northern bluet eggs are often laid in water or on water plants. To find them, gently inspect aquatic plants or substrates at the edges of clean, still, or slow-flowing waters.
Naiad Northern bluet naiads are aquatic and can be found in ponds, lakes, and slow-moving streams. Look for them by gently sifting through the substrates, collecting samples with a net, and examining them.
Adult Emerging northern bluet can be found near the water's edge on reeds or other vegetation as they transition from naiad to adult. Spotting them requires visiting these habitats during the early stages of their emergence period, often in the morning.
Northern bluet adults are best found by visiting ponds, lakes, or riverbanks on sunny days. They are often seen perching on vegetation or patrolling over the water. Observing their flight patterns and looking for their distinct wing flapping can aid in spotting them.
Are Northern bluet harmful?
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Beneficial Effects of Northern bluet
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Predators of Pests
Predators of Pests
Stage
Adults, Naiads
Diets
Mosquito Larvae, Aquatic Invertebrates
Northern bluet, both in its naiad and adult stages, is an effective predator. Usually inhabiting ponds and slow-moving streams, the naiads utilize their extendable mouthparts to capture prey. The adults are aerial hunters, catching mosquitoes and other insects mid-flight. This predatory behavior is crucial for their survival and controlling pest populations.
Common Questions People Also Ask
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