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Double-striped bluet

Double-striped bluet

Enallagma basidens

A species of Bluets

This species grows to lengths 2 - 3 cm. Its common name from the peculiar black shoulder stripe, which is divided in two by a thin blue stripe. Mature males have an abdomen that alternates black and blue. The final segment of the abdomen is blue below and black above, while segments 8 and 9 are all blue. Females and immatures are tan to olive or brown, but like the mature males they have the divided shoulder stripe.

General Info About Double-striped bluet
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Attributes of Double-striped bluet
Colors
Brown
Black
Blue
Habitat
pond; lake margin; slow stream
Adult Food Sources
Flying insects, mosquitoes, flies, moths, butterflies
Larva Food Source
Aquatic invertebrates, mosquito larvae, small fishes, tadpoles, other aquatic insect larvae
Biting/stinging
Not reported
Allergy-causing
Not reported
Pollinator
Not reported
Pest-Eating Predatory
Not reported
Phytophagous
Not reported
Predatory
The Double-striped 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 Double-striped bluet
It is found in the United States.
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Adult Size of Double-striped bluet
2 - 2.5 cm
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Predators of Double-striped bluet Larvae
Fish, tadpoles, beetles, water bugs, backswimmers, birds, frogs
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Predators of Adult Double-striped bluet
Birds, frogs, spiders, wasps, dragonflies, damselflies, bats, lizards
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Interesting Facts About Double-striped bluet
Double-striped bluet can regulate its body temperature by changing its body color, adapting to varying thermal conditions for optimal functioning.
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Scientific Classification of Double-striped bluet
Tips for Finding Double-striped bluet
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Youth Habitat of Double-striped bluet
Freshwater Habitats
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Habitat Preferences of Double-striped bluet Through Different Life Stages
Eggs of double-striped bluet are laid underwater on aquatic plants in freshwater habitats; naiads develop in the same aquatic environments, scavenging or preying on smaller organisms. Searching for naiads involves careful examination of submerged vegetation in ponds, lakes, or slow-moving streams. The adult double-striped bluet are typically found in proximity to these water sources, often perched on vegetation or flying nearby. To locate adults, one can walk along the edges of these water bodies on warm, sunny days with minimal wind, as double-striped bluet is active during such conditions.
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When is the Best Time to Observe Double-striped bluet
The best time to find adult double-striped bluet is usually on warm, sunny days when they are most active. For naiads, any time is suitable as long as one can access the water bodies they inhabit.
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What is the Best Weather to Observe Double-striped bluet
Adult double-striped bluet prefer warm and sunny weather with little to no wind. naiads are less affected by weather but require unpolluted aquatic habitats.
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How and Where Can You Find Double-striped bluet at Different Life Stages
Egg Double-striped bluet eggs are laid in water or on aquatic plants. Look for them by carefully examining the stems and leaves of plants in or near water bodies.
Naiad Double-striped bluet naiads are aquatic and found in standing or slow-moving water. Search by gently disturbing underwater vegetation or turning over submerged rocks in ponds, marshes, or lakesides.
Adult Double-striped bluet undergo emergence near water bodies where they metamorphose into adults. Look for them on vegetation or objects near water where they may clasp as they transition to adults.
Adult double-striped bluet are most visible when perched on vegetation near water or in flight. Search along the banks of rivers, lakes, or wetlands on sunny days, and try spotting them as they return to their favorite perches.
Are Double-striped bluet harmful?
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Beneficial Effects of Double-striped bluet
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Predators of Pests
Predators of Pests
Stage
Adults, Naiads
Purpose
Feed Itself
Double-striped bluet lives in both aquatic (as a naiad) and terrestrial habitats (as an adult). As naiads, they hunt various aquatic invertebrates, and as adults, they catch mosquitoes mid-flight using their adept flying skills. Their voracious appetite helps control pest populations, contributing to the ecological balance.
Common Questions People Also Ask
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