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Bearded weevil

Bearded weevil

Rhinostomus barbirostris

A species of Rhinostomus

The bearded weevil (Rhinostomus barbirostris) isn't going to be dressing as Santa anytime soon, but they are known to have long red and gold hairs. These also have an incredibly long "beak", which makes them one of the largest weevils in the world. However, males tend to vary heavily and can be confused with females based on their size.

General Info About Bearded weevil
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Attributes of Bearded weevil
Colors
Black
Habitat
a region of transition between the Cerrado and Atlantic Forest
Adult Food Sources
Leaves, fruits, stems, roots, flowers
Venomous
Not reported
Non-poisonous
The Bearded weevil 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
The Bearded weevil 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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Species Status of Bearded weevil
This common and widespread species occurs mainly in Central America and South America.
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Distribution Area of Bearded weevil
Central America, South America
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Life Cycle of Bearded weevil
Egg The initial stage as an egg is characterized by a small, oval form, often laid in clusters. The exterior color is commonly uniform, blending with the environment to avoid predation.
Larva In the larval stage, bearded weevil exhibits a worm-like appearance with a soft, elongated body. Color and size vary with instars, increasing in size while molting. Functionally, they are voracious feeders, primarily focused on growth.
Pupal During the pupal stage, bearded weevil undergoes transformation within a protective casing. The creature becomes immobile, and substantial internal changes occur. The form contracts and takes on a quiescent state.
Adult Emerging from the pupa, the adult bearded weevil exhibits a hardened exoskeleton with well-defined elytra and segmented body. The transformation to vibrant colors and patterns occurs, size reaches finality, and wings are present for dispersal and mating.
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Predators of Adult Bearded weevil
Birds, bats, rodents, reptiles, spiders, insectivorous insects, primates
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Interesting Facts About Bearded weevil
Bearded weevil can play dead with great convincingness when threatened, retracting their limbs and staying motionless for an extended period.
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Scientific Classification of Bearded weevil
Tips for Finding Bearded weevil
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Youth Habitat of Bearded weevil
Forests and Woodlands, Rotting and Decaying Matter
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Adult Habitat of Bearded weevil
Forests and Woodlands
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How Can You Attract Bearded weevil
To attract bearded weevil, substances like fermenting fruit, tree sap, or pheromone lures designed specifically for the family Dryophthoridae could be effective as these are substances that bearded weevil finds enticing.
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What is the Best Weather to Observe Bearded weevil
The search for bearded weevil could be most successful during warm and humid conditions, which favor the activity of beetles in the Coleoptera order and support the lifecycle of bearded weevil.
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How and Where Can You Find Bearded weevil at Different Life Stages
Egg The eggs of bearded weevil are likely deposited in concealed locations on or near the host plants. To find them, inspect the bark of trees, leaf axils, or soil surface near potential food sources.
Larva Bearded weevil larvae are typically found within wood, beneath tree bark, or in the ground feeding on roots, depending on the species. Look for signs of frass (sawdust-like excrement) or damage to plants as indicators of their presence.
Pupal Bearded weevil pupae may be located inside a cocoon or burrowed within the substrate material such as soil or rotted wood. Searching for bearded weevil pupae involves careful excavation around the host plant using a soft brush or tool to avoid damaging the pupae.
Adult Adult bearded weevil can be located by searching on or around the host plants during active times such as evening or by setting up light traps, which attract bearded weevil by illuminating ultraviolet or white lights.
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Harmful Effects of Bearded weevil
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Agricultural Pests

Larvae of bearded weevil bore into plant tissues, causing structural damage to roots and stems. Infestations may result in wilting, yellowing, and eventually the death of plants. Mild attacks reduce crop yield, while severe infestations can lead to significant agricultural losses. The pest's activity may indirectly affect humans by impacting food supply and economic stability.

More Effects of Bearded weevil

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