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Five-horned rhinoceros beetle

Five-horned rhinoceros beetle

Eupatorus gracilicornis

A species of Eupatorus

Eupatorus gracilicornis, the five-horned rhinoceros beetle (Thai : ด้วงกว่างซางเหนือ) is a beetle that has four large horns on the prothorax and one extra-long cephalic horn. Rhinoceros beetles, the Dynastinae, are a subfamily of the scarab beetle family (Scarabaeidae). The five-horned rhinoceros beetle has been found in China, India, Myanmar, Thailand, Laos and Vietnam. Its coloring is shiny jet-black, while the elytra or fore wings are colored yellow or gold. The body is covered by a thick exoskeleton and a pair of thick wing covers lay atop another set of membranous wings underneath, allowing the beetle to fly, although not very efficiently, owing to its large size. The flying season is usually in September, when most of the males usually appear to wait for copulation. Its length is 50–95 mm. As a larva, its diet is rotten wood. Its adult diet consists of nectar, plant sap and fruit. It was first described by the British entomologist Gilbert John Arrow in 1908.

General Info About Five-horned rhinoceros beetle
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Attributes of Five-horned rhinoceros beetle
Colors
Brown
Black
Habitat
bamboo forest
Adult Food Sources
Sap, plant juices, decaying fruit, nectar, tree bark
Larva Food Source
Decaying plant matter, decomposing wood, rotting leaves, organic matter in soil, decaying fruits
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
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Species Status of Five-horned rhinoceros beetle
Not rare
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Predators of Five-horned rhinoceros beetle Larvae
Birds, rodents, larger beetles, ants, centipedes
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Predators of Adult Five-horned rhinoceros beetle
Birds, small carnivorous mammals, reptiles
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Interesting Facts About Five-horned rhinoceros beetle
Five-horned rhinoceros beetle possesses the ability to produce a squeaking sound, known as stridulation, as a means of communication.
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Scientific Classification of Five-horned rhinoceros beetle
Tips for Finding Five-horned rhinoceros beetle
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Youth Habitat of Five-horned rhinoceros beetle
Forests and Woodlands, Rotting and Decaying Matter
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Habitat Preferences of Five-horned rhinoceros beetle Through Different Life Stages
Eggs of five-horned rhinoceros beetle are often found in decomposing logs where females lay them. Larvae develop in rotting wood, relying on the nutrient-rich environment to grow. Pupation typically takes place within chambers they create in the same material. Finally, adults emerge and can be found on foliage near the breeding grounds, usually in tropical forests, where they feed and mate. To search, examine decayed logs for eggs or larvae, look for round exit holes indicating pupation sites, and explore nearby vegetation for mature individuals.
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When is the Best Time to Observe Five-horned rhinoceros beetle
Adult five-horned rhinoceros beetle are typically most active during the evening or at night; hence, this is the best time to find them. Different stages of their life may be observable at various times of the day.
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What is the Best Weather to Observe Five-horned rhinoceros beetle
Warm and humid conditions are usually most suitable for finding five-horned rhinoceros beetle, as these conditions favor the activity and development of many Coleoptera species.
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How and Where Can You Find Five-horned rhinoceros beetle at Different Life Stages
Larva Larvae of five-horned rhinoceros beetle are often found in decaying wood, where they feed and grow. Searching in old tree stumps or logs can be a fruitful method to find these larvae.
Pupal Five-horned rhinoceros beetle pupate within the wood or soil. Careful excavation of pupation sites, such as within rotting logs or under the soil near such logs, may reveal the pupae.
Adult Adult five-horned rhinoceros beetle can be found on trees, where they feed on sap, bark, or leaves. Look for them by carefully examining tree trunks and branches, especially where there are signs of sap leakage or rot.
Are Five-horned rhinoceros beetle harmful?
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