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Brassica shieldbug

Brassica shieldbug

Eurydema oleracea

A species of Eurydema, Also known as Rape Bug, Green cabbage bug

Eurydema oleracea is a species of shield bug in the family Pentatomidae and is commonly known as the rape bug, the crucifer shield bug, the cabbage bug or the brassica bug. Its specific name oleracea means "related to vegetables/herbs" in Latin and is a form of holeraceus (oleraceus).

General Info About Brassica shieldbug
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Attributes of Brassica shieldbug
Colors
Black
Yellow
Red
White
Habitat
Plant, cultivated crop, mountainous region
Adult Food Sources
Cruciferous vegetables, seeds of brassica plants, mustard plants, horseradish, cabbage
Larva Food Source
Leaves, flower buds, seedlings, stems, cruciferous vegetable parts
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
Phytophagous
Not reported
Predatory
Not reported
Biting animal or pet
Not reported
Mouthparts Type
Piercing-sucking mouthparts
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Distribution Area of Brassica shieldbug
This species has a wide distribution in the eastern Palearctic realm. It is found in Western Europe except for northern Scandinavia, Kazakhstan, most of Russia, the mountainous regions of west and central Asia, and in North Africa.
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Life Cycle of Brassica shieldbug
Egg The brassica shieldbug's life begins as an egg, which is often laid in clusters on the underside of leaves. The eggs are tiny and may exhibit some degree of camouflage depending on the species.
Nymph After hatching, the brassica shieldbug enters the nymph stage, resembling a miniature, wingless adult. These nymphs molt several times, each instar becoming larger and developing wing pads.
Adult Emerging from the final molt, the adult brassica shieldbug has fully developed wings and reproductive organs. Its body is firmer and its color may vary from the nymph stage, now capable of flight and mating.
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Predators of Brassica shieldbug Larvae
Frogs, toads, birds, jumping spiders, mantises, dragonflies
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Predators of Adult Brassica shieldbug
Birds, rodents, mantises, spiders
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Interesting Facts About Brassica shieldbug
The brassica shieldbug has knees that can perceive the slightest vibrations, allowing it to detect approaching predators or prey through substrate vibrations.
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Scientific Classification of Brassica shieldbug
Tips for Finding Brassica shieldbug
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Youth Habitat of Brassica shieldbug
Agricultural and Cultivated Areas, Grasslands and Prairies, Forests and Woodlands
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Adult Habitat of Brassica shieldbug
Agricultural and Cultivated Areas, Grasslands and Prairies, Forests and Woodlands
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How Can You Attract Brassica shieldbug
Since brassica shieldbug feed on plant juices, trap crops or plants they prefer could be used to lure them.
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Habitat Preferences of Brassica shieldbug Through Different Life Stages
The eggs of brassica shieldbug are typically laid on the underside of leaves, preferably those of cruciferous plants in open or agricultural areas. Searching for these eggs requires careful examination of the leaf surfaces. Nymphs of brassica shieldbug can be found on and around their host plants, often on the lower leaves, stems, or hiding beneath leaf litter nearby the plant base. Meanwhile, adult brassica shieldbug usually reside on the foliage, where they feed and mate, and are more mobile, so they may also be seen on adjacent vegetation. To find nymphs and adults, one should carefully inspect the host plants and the immediate surroundings, paying special attention to the undersides of leaves, stem junctions, and flower buds.
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When is the Best Time to Observe Brassica shieldbug
The best time to find brassica shieldbug would be during daylight hours when they are most active, particularly in the morning or late afternoon.
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What is the Best Weather to Observe Brassica shieldbug
Warm, sunny days are the most suitable weather conditions to find brassica shieldbug as they are cold-blooded and rely on external heat sources.
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How and Where Can You Find Brassica shieldbug at Different Life Stages
Egg Brassica shieldbug eggs are usually laid on the underside of leaves. Inspect the leaves of host plants for clusters of small, barrel-shaped eggs.
Nymph Brassica shieldbug nymphs undergo incomplete metamorphosis and do not look like adults, search for them on the host plants they feed on, looking for small, often colorful insects.
Adult Brassica shieldbug adults can be found on or near host plants. Look for shield-shaped insects with a distinctive color pattern.
Are Brassica shieldbug harmful?
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Harmful Effects of Brassica shieldbug
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Agricultural Pests

The nymphs and adults of brassica shieldbug feed on a variety of crops by piercing plant tissues to suck out fluids. This pest can inflict mild to severe damage depending on its population size causing yellowing, stunted growth, and damaged fruits, potentially leading to crop loss and economic damage.

More Effects of Brassica shieldbug

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