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Roughened Darkling Beetle

Roughened Darkling Beetle

Upis ceramboides

A species of Upis

Upis ceramboides is a species of beetle, one of many wood-living insects that benefit from forest fires. It often occurs in quantities below the bark on the fire-damaged birches, but can sometimes be seen on other deciduous trees such as willow and aspen. The larvae thrive in the inner bark which is rich in mycelia, and in the sapwood. They develop into pupae during the summer months under the bark, and they develop over two or three years. The following spring they reproduce themselves. It has over the years have disappeared from southern Sweden and is now only locally in the Norrland coast (Västerbotten and Norrbotten) as well as Canada and Alaska. The reason for the species' decline is probably the lack of fire-damaged forests and birch, and the modern forestry practices. Upis ceramboides is considered "vulnerable" in terms of species survival. In Vindeln municipality it is called köksskörven, because it occurs indoors when burning firewood in winter. The species' survival at temperatures well below freezing are attributed to the xylomannan non-protein antifreeze molecule (polysaccharide and a fatty acid) as well as the sugar-alcohol, threitol. Other notable freeze-tolerant animals include the fly Polypedilum vanderplanki and the beetle Cucujus clavipes puniceus.

General Info About Roughened Darkling Beetle
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Attributes of Roughened Darkling Beetle
Colors
Black
Habitat
deciduous tree; willow; aspen; bark; dead wood; tree stump; sand dune
Adult Food Sources
Decaying wood, fungi, lichens, dead plant material, organic detritus
Larva Food Source
Decaying wood, leaf litter, plant debris, fungi, organic matter
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
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Predators of Roughened Darkling Beetle Larvae
Birds, rodents, predacious beetles
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Predators of Adult Roughened Darkling Beetle
Birds, rodents, predacious beetles
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Interesting Facts About Roughened Darkling Beetle
Roughened Darkling Beetle can survive freezing temperatures by producing antifreeze proteins that prevent ice crystals from forming in its bodily fluids.
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Scientific Classification of Roughened Darkling Beetle
Tips for Finding Roughened Darkling Beetle
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How Can You Attract Roughened Darkling Beetle
Since roughened Darkling Beetle are typically scavengers, baiting traps with decaying organic matter may attract them.
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Habitat Preferences of Roughened Darkling Beetle Through Different Life Stages
The egg stage of roughened Darkling Beetle is typically found in the crevices of bark or in leaf litter close to the food sources for the hatched larvae. Larvae reside in and consume decaying wood, often in logs or stumps of coniferous trees, particularly in colder environments. Adult roughened Darkling Beetle are located mainly on or under the bark of trees, in decaying wood, or sheltering in similar protected habitats. To search for these stages, carefully examine the bark of dead or dying coniferous trees, inspect under fallen logs and debris in forested areas known for harsh cold climates where this insect thrives.
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When is the Best Time to Observe Roughened Darkling Beetle
The best time to look for roughened Darkling Beetle is likely during their active period at night or during cooler parts of the day.
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What is the Best Weather to Observe Roughened Darkling Beetle
Mild to cool and humid weather may increase the chances of spotting roughened Darkling Beetle, especially after rainfall.
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How and Where Can You Find Roughened Darkling Beetle at Different Life Stages
Larva To find roughened Darkling Beetle larvae, check under logs, rocks, or leaf litter in forested areas. They tend to hide in moist, dark environments rich in decaying plant material.
Pupal Roughened Darkling Beetle pupae can be located in the same habitats as the larval stage, often buried in soil or concealed within crevices or beneath vegetation cover.
Adult Roughened Darkling Beetle adults are slow-moving and nocturnal. To find them, use a flashlight to search tree trunks, ground litter, or at the edges of natural water sources during the night.
Are Roughened Darkling Beetle harmful?
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