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Common blue jewel

Common blue jewel

Heliocypha perforata

A species of Heliocypha

This iridescent jewel is a master of the air, capable of abrupt aerial maneuvers thanks to its highly specialized wing structure. The common blue jewel displays a dramatic transformation from its aquatic nymph stage, where it is a voracious predator, to its adult form, with four translucent wings that enable exceptional flight control. As an adult, it continues its predatory legacy, catching small flying insects with precision.

General Info About Common blue jewel
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Attributes of Common blue jewel
Colors
Black
Blue
Purple
Habitat
stream; log
Adult Food Sources
Flying insects, mosquitoes, flies, mayflies, moths
Larva Food Source
Aquatic invertebrates, zooplankton, small fish, larvae of other insects, tadpoles
Non-poisonous
The Common blue jewel is non-toxic and generally doesn't pose a risk to human health. No need for excessive worry.
Borer
Not reported
Pollinator
Not reported
Pest-Eating Predatory
Not reported
Phytophagous
Not reported
Predatory
The Common blue jewel 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 Common blue jewel
It is distributed in South and East Asia.
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Adult Size of Common blue jewel
9 - 35 mm
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Predators of Common blue jewel Larvae
Aquatic insects, fish, tadpoles
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Predators of Adult Common blue jewel
Birds, spiders, wasps, other dragonflies
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Interesting Facts About Common blue jewel
Common blue jewel can rapidly change color, a feature often used to communicate during mating rituals or territorial disputes.
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Scientific Classification of Common blue jewel
Class
Bugs
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Order
Odes
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Family
Jewels
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Tips for Finding Common blue jewel
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Youth Habitat of Common blue jewel
Freshwater Habitats
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Habitat Preferences of Common blue jewel Through Different Life Stages
The naiads of common blue jewel inhabit the bottoms of clean, running freshwater streams, attaching themselves to rocks or vegetation. As they transition into adulthood, these insects can be found around the same streams, often seen around vegetation nearby or perched on rocks emerging from the water. To search for the immature naiads, one would need to explore the stream's substrates, sifting through sediment or examining plants under the water. For the flying adults, a visit to the stream during a sunny day, peering over adjacent vegetation and sunlit clearings nearby, would increase the chances of sighting them as they engage in their aerial maneuvers close to the stream.
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When is the Best Time to Observe Common blue jewel
The best time to find adult common blue jewel is often during warm, sunny days when they are most active, typically from late morning to mid-afternoon. Their activity decreases on cloudy or cool days.
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What is the Best Weather to Observe Common blue jewel
Adult common blue jewel prefer warm and sunny weather with little to no wind, as they are weak fliers in turbulent conditions. After a rainfall, they may also be more active, with increased insect activity providing a rich food source.
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How and Where Can You Find Common blue jewel at Different Life Stages
Naiad Naiads of common blue jewel are aquatic and can often be found in still or slow-moving freshwater bodies like ponds or streams. Search for them by carefully examining the substrate in shallow water.
Juvenile common blue jewel, also known as teneral adults, are pale and soft shortly after emergence. They are found near emergence sites and can be spotted by scanning vegetation for their distinctive shape and cautious movements.
Adult During the emergence stage, finding common blue jewel requires locating the water bodies where they metamorphose into adults. Look for them on vegetation or rocks near the water's edge, typically in early morning.
Common blue jewel adults are active fliers and are often seen patrolling over water bodies or darting among vegetation. Find them by looking for their characteristic flight patterns on sunny days, often near the edges of ponds, lakes, or streams where they hunt for prey.
Are Common blue jewel harmful?
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Beneficial Effects of Common blue jewel
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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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Predators of Pests
Predators of Pests
Stage
Adults, Naiads
Purpose
Feed Itself
Common blue jewel demonstrates remarkable hunting skills both as a naiad in aquatic environments and as a flying adult. Naiads ambush or chase prey such as mosquito larvae, while adults expertly capture flying mosquitoes. This adept predation fulfills a diet essential to common blue jewel's survival and development.
Common Questions People Also Ask
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