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Common pollen beetle

Common pollen beetle

Brassicogethes aeneus

A species of Brassicogethes, Also known as Rape pollen beetle, Bronze sap beetle, Rape beetle

The common pollen beetle (Brassicogethes aeneus) is called that due to how it handles its young. Adult females lay their eggs in the flowers, where the larva feeds on the pollen and nectar inside. in some cases, they can cause damage to the buds, which is bad news for those who grow Brassica plants. If the flowers drop, that might be a sign of their involvement.

General Info About Common pollen beetle
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Attributes of Common pollen beetle
Colors
Brown
Black
Green
Habitat
woodland; rape field
Adult Food Sources
Pollen, ripe fruits, flower nectar, sap, other plant secretions
Larva Food Source
Pollen, rape seeds, mustard seeds, turnip seeds, other cruciferous plant seeds
Non-poisonous
The Common pollen beetle is non-toxic and generally doesn't pose a risk to human health. No need for excessive worry.
Borer
Not reported
Pollinator
The Common pollen beetle is often found near the corolla, where its fluffy hairs easily pick up pollen, assisting in the pollination of the plant.
Pest-Eating Predatory
Not reported
Phytophagous
The Common pollen beetle feeds on plants, usually without causing significant harm. However, it's important to take the situation seriously if their numbers begin to increase significantly.
Predatory
Not reported
Biting animal or pet
Not reported
Mouthparts Type
Chewing mouthparts
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Appearance of Common pollen beetle
Adults are about 2 - 3 mm long, 1 - 2 mm wide and black with a hint of metallic green. The larvae are up to 3 mm long and white with brown sclerotised plates.
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How to Identify Common pollen beetle?

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Life Cycle of Common pollen beetle
Egg The egg stage shows common pollen beetle in its initial form, often barely visible to the naked eye. Eggs are usually laid in clusters and are immobile, with protective coloring that blends into the environment.
Larva During the larval stage, common pollen beetle is worm-like, with a primary focus on feeding and growth. This stage experiences several molts as it increases in size, but remains wingless and quite distinct from the adult form.
Pupal In the pupal stage, common pollen beetle undergoes transformation inside a pupal case. In this immobile stage, tissues are reorganized, transitioning to the adult form. The color and shape of the case may vary, providing camouflage.
Adult Emerging from the pupa, the adult common pollen 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.
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Adult Size of Common pollen beetle
2 - 3 mm
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Predators of Common pollen beetle Larvae
Frogs and toads, birds, jumping spiders, geckos, hoverflies
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Predators of Adult Common pollen beetle
Birds, spiders, predatory beetles, mantises, lizards
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Interesting Facts About Common pollen beetle
Common pollen beetle can navigate using the Milky Way as a compass, a remarkable feat for such small creatures.
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Scientific Classification of Common pollen beetle
Tips for Finding Common pollen beetle
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How Can You Attract Common pollen beetle
For attracting common pollen beetle, one can use food bait, usually fermented fruit or sweet substances, as common pollen beetle are attracted to such food sources.
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Habitat Preferences of Common pollen beetle Through Different Life Stages
Eggs of common pollen beetle are typical in concealed locations on plants, often in flower heads or under loose bark. Larvae are found in similar environments, frequently in decaying organic matter such as compost heaps or among leaf litter near food plants. Pupae are usually in the soil or in detritus close to the food source. Adults are found on flowering plants, mainly where pollen is abundant. To search for these stages, one should inspect the respective common habitats: flowers and leaf axils for eggs, decomposing organic material and soil for larvae, soil or leaf litter for pupae, and flowers or plant foliage for adults.
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When is the Best Time to Observe Common pollen beetle
The best time to find common pollen beetle is usually during warm months of the year, in the late afternoon or early evening when temperature and humidity are conducive to their activity.
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What is the Best Weather to Observe Common pollen beetle
Sunny or mildly overcast weather with moderate temperatures is ideal for finding common pollen beetle as they are less active during cold or very rainy conditions.
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How and Where Can You Find Common pollen beetle at Different Life Stages
Larva Common pollen beetle larvae are found in damp environments feeding on fungi or decaying organic matter. To find them, one should look under logs, leaf litter, or within tree hollows containing decaying material.
Pupal Common pollen beetle pupae are often enclosed in a protective cocoon or shell and can be found in soil or detritus near the larvae feeding grounds. Carefully sifting through such materials may reveal the pupae.
Adult Common pollen beetle adults are commonly found on or near food sources. Setting up baited traps or inspecting flowers, ripe fruit, and sap flows on trees can lead to successful encounters with adult common pollen beetle.
Are Common pollen beetle harmful?
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Harmful Effects of Common pollen beetle
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Agricultural Pests

When common pollen beetle larvae are present in small numbers, they feed on pollen, affecting flower development. But in large swarms, they can destroy fruits and seeds by sucking plant fluids and chewing tissues, leading to significant losses in various crops with potential impacts on food supply and economic stability.

More Effects of Common pollen beetle

Beneficial Effects of Common pollen beetle
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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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Pollinator
Pollinator
Attract Plant Feature
Color, Smell
Pollination Behavior Reason
Eat Pollen Or Nectar
Common pollen beetle, attracted by the smell and bright color of yellow flowers and cabbage, plays a role in pollination while seeking pollen for food. Gaining the dual benefit of nourishment and unwittingly transferring pollen, common pollen beetle is an effective, though perhaps unintentional, agent in the reproductive cycle of these plants.
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