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Three-banded lady beetle

Three-banded lady beetle

Coccinella trifasciata

A species of Lady beetles, Also known as Pacific three-banded lady beetle, Pacific three-banded ladybug, Three-banded ladybird beetle

Coccinella trifasciata is a species of beetle from the family of ladybugs (Coccinellidae). The scientific name of the species was first validly published in 1758 by Linnaeus.

General Info About Three-banded lady beetle
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Attributes of Three-banded lady beetle
Colors
Black
Orange
Habitat
garden; crop field; meadow; woodland
Adult Food Sources
Aphids, insect larvae, scale insects, mites, pollen (as a supplementary diet)
Larva Food Source
Aphids, small soft-bodied insects, insect eggs, larvae of other insects, scale insects
Biting/stinging
Not reported
Allergy-causing
Not reported
Defensive attack
Not reported
Venomous
Not reported
Non-poisonous
The Three-banded lady beetle is non-toxic and generally doesn't pose a risk to human health. No need for excessive worry.
Borer
Not reported
Biting animal or pet
Yes
Mouthparts Type
Chewing mouthparts
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Life Cycle of Three-banded lady beetle
Egg The egg phase of three-banded lady beetle exhibits a simple oval form, beginning tiny and microscopic. Laid in groups, these eggs are cream to yellowish and reveal no specialized appendages or features. Secured on the underside of leaves, they are often concealed from predators and the elements.
Larva During the larval phase, three-banded lady beetle undergoes drastic transformation in size and mobility. The larvae are long, segmented, and adorned with spines, boasting vibrant color patterns as a warning to potential predators. Dedicated to eating, they molt several times, increasing size with each stage.
Pupal As a pupa, three-banded lady beetle transitions significantly while immobile. Enveloped within a protective cocoon, the organism is marked by a gradual reorganization from larval form to the adult insect. Body shape changes distinctly during this phase, and colors often become more muted.
Adult Emerging from the pupa, the adult three-banded lady beetle’s development is marked by the presence of wings and functional reproductive organs. The body is fully formed and hardened, and the adult is mobile, focusing on reproduction. Coloration, often bright and spotted, is crucial for mate attraction and predator deterrence.
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Adult Size of Three-banded lady beetle
3 - 5 mm
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Predators of Three-banded lady beetle Larvae
Frogs, toads, spiders, predatory insects such as ants and wasps, birds
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Predators of Adult Three-banded lady beetle
Birds, small mammals, reptiles such as lizards, spiders, predatory insects such as ants and wasps
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Interesting Facts About Three-banded lady beetle
Three-banded lady beetle larvae exhibit astonishing appetite, consuming hundreds of aphids before transitioning into adulthood.
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Scientific Classification of Three-banded lady beetle
Tips for Finding Three-banded lady beetle
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How Can You Attract Three-banded lady beetle
Since adult three-banded lady beetle are predators, they are not attracted to conventional bait traps. Instead, visual lures or environments that mimic their prey's habitat are more successful in attracting them.
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Habitat Preferences of Three-banded lady beetle Through Different Life Stages
To find the various stages of three-banded lady beetle, start in temperate regions where they are frequently spotted. Eggs are usually laid on the underside of leaves with ample aphid populations. For larvae, search on vegetation, inspecting leaves and stems for these voracious predators busily consuming aphids. The pupal stage, often found on the same plants, clings to leaves or stems during its transformation. Adults thrive in open fields, gardens, or agricultural areas, commonly seen on various plants where they continue to feed on aphids and other soft-bodied pests. Each stage requires careful observation in the correct habitat to locate three-banded lady beetle.
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When is the Best Time to Observe Three-banded lady beetle
The best time to find three-banded lady beetle is during late spring to early fall, which is the active period for most beetle species, including three-banded lady beetle.
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What is the Best Weather to Observe Three-banded lady beetle
Warm, sunny weather is typically the most suitable for finding three-banded lady beetle, as it encourages their activity and the presence of their prey.
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How and Where Can You Find Three-banded lady beetle at Different Life Stages
Egg To find three-banded lady beetle eggs, search on the undersides of leaves, particularly those plants infested with aphids. The eggs are usually yellow to orange, laid in clusters.
Larva Three-banded lady beetle larvae can be found on plants where aphids are present. Look on stems and beneath leaves for the elongated, often spiky, larvae that are actively hunting for their prey.
Pupal The three-banded lady beetle pupa can typically be found attached to leaves or stems. They are immobile during this stage, so careful inspection of aphid-infested plants may reveal their camouflaged presence.
Adult Adult three-banded lady beetle are easier to spot due to their distinctive coloration. Look for them on flowers, or in gardens and fields where aphids are found. You can also find adults by gently shaking plants and observing for beetles that fly or fall out.
Are Three-banded lady beetle harmful?
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Beneficial Effects of Three-banded lady beetle
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Predators of Pests
Predators of Pests
Purpose
Feed Itself
Diets
Aphids
Three-banded lady beetle is an active predator that primarily targets aphids, which are known for damaging crops. Both in its larval and adult stages, three-banded lady beetle consumes a significant number of aphids, making it beneficial for natural pest control. Its voracious appetite for aphids helps maintain agricultural health and biodiversity.
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