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Bloody-nosed beetle

Bloody-nosed beetle

Timarcha tenebricosa

A species of Timarcha

T. tenebricosa measures 15–20 mm in length, is blue-black in colour and is both larger and more constricted on the base of its pronotum than the visually similar T. goettingensis (the lesser bloody-nosed beetle). The body is strongly curved, and elytra smooth and finely punctuated. Its antennae are thick and well segmented, its legs have long tarsi and terminate with a double hook.

General Info About Bloody-nosed beetle
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Attributes of Bloody-nosed beetle
Colors
Black
Green
Habitat
Free-draining soil; hedgerow
Adult Food Sources
Leaves of various plants, primarily from the genera such as cardamine, saxifraga, and plantago
Larva Food Source
Plant leaves, particularly those of the family brassicaceae
Biting/stinging
Not reported
Allergy-causing
Not reported
Defensive attack
Not reported
Venomous
Not reported
Non-poisonous
Not reported
Borer
Not reported
Pollinator
The Bloody-nosed 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
Not reported
Predatory
Not reported
Biting animal or pet
Not reported
Mouthparts Type
Chewing mouthparts
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Distribution Area of Bloody-nosed beetle
The beetle can be found in southern and central Europe, and is common in Britain and Ireland.
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Life Cycle of Bloody-nosed beetle
Egg The egg stage of bloody-nosed beetle is characterized by its small size and often spherical or oval shape. Initially, the color may blend with the environment for camouflage, but it might change as development proceeds.
Larva As larvae, bloody-nosed beetle display a significant change in form, growing larger with each molt. They often have a soft body with distinct color patterns for defense or warning. This stage is primarily focused on feeding and growth.
Pupal During the pupa stage, bloody-nosed beetle undergoes transformation within a protective casing. The pupa remains immobile, and significant internal changes occur as body structures of the immature stage are reorganized into the adult form.
Adult Emerging from the pupa, the adult bloody-nosed 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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Predators of Bloody-nosed beetle Larvae
Birds, rodents, insectivorous insects
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Predators of Adult Bloody-nosed beetle
Birds, rodents, insectivorous insects
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Interesting Facts About Bloody-nosed beetle
Bloody-nosed beetle expels a blood-like substance from its mouth when threatened, a non-toxic but startling form of defense.
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Scientific Classification of Bloody-nosed beetle
Tips for Finding Bloody-nosed beetle
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Youth Habitat of Bloody-nosed beetle
Forests and Woodlands, Grasslands and Prairies
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Adult Habitat of Bloody-nosed beetle
Forests and Woodlands, Grasslands and Prairies
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How Can You Attract Bloody-nosed beetle
For bloody-nosed beetle, no specific trap food is involved as they are typically not lured by baits.
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Habitat Preferences of Bloody-nosed beetle Through Different Life Stages
The eggs of bloody-nosed beetle are typically found on the underside of host plant leaves, where they've been strategically placed by the female. Larvae prefer to remain on or near their food plants, eating voraciously and often hiding beneath leaves or in the surrounding vegetation to avoid predators. Pupation usually occurs in the soil near the host plants, where the larvae burrow down to transform into pupae. Finally, adult bloody-nosed beetle can be frequently found on various parts of the host plants, such as leaves and stems, but they also seek out flowers for feeding. To locate these different stages, one would search low vegetation and ground level in areas where the host plants grow abundantly.
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When is the Best Time to Observe Bloody-nosed beetle
The most suitable time to find bloody-nosed beetle is during the day since they are diurnal.
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What is the Best Weather to Observe Bloody-nosed beetle
Warm and dry conditions are preferable for finding bloody-nosed beetle as they are less active in cold or wet weather.
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How and Where Can You Find Bloody-nosed beetle at Different Life Stages
Larva Bloody-nosed beetle larvae are soil-dwelling and can be found by carefully excavating around host plants and looking for small, subtly-colored larvae near or within the soil.
Adult Bloody-nosed beetle adults can be spotted on host plants or walking on the ground. Search on foliage, stems, or flowers during the day, or on the soil surface under host plants.
Egg The eggs of bloody-nosed beetle are laid on the undersides of leaves or in the soil. They can be detected by closely examining the host plant leaves or sifting through soil at the base of the plants.
Are Bloody-nosed beetle harmful?
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Are Bloody-nosed beetle harmful to humans?

Some colorful leaf beetles are actually toxic, and their beautiful appearance is warning predators: I am very dangerous, do not eat me! However, just observing with your eyes and touching the leaf beetle with your hand will not be poisoned.
Common Questions People Also Ask
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