Insects.at
INSECTS.AT - by Per Hoffmann Olsen
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Coleoptera

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Coleoptera - Beetles

Beetles are an incredibly diverse group of insects belonging to the order Coleoptera and are found worldwide in almost all habitats. They are known for their hard forewings, which serve as protective coverings for their delicate hind wings. These wings form a characteristic armor that shields the beetle's body.

There are over 350,000 known species of beetles, and experts estimate there may be over a million species in total, many of which remain undiscovered. Beetles vary greatly in size, color, shape, and lifestyle. Some are tiny, less than a millimeter in size, while others, like the Hercules beetle, are among the largest beetles globally, reaching up to 17 centimeters in length.

Beetles have a diverse diet. Some are herbivores, feeding on leaves, stems, or wood, while others feed on other insects, carrion, or even blood. Beetles play an essential ecological role, serving as decomposers, pollinators, and predators in various ecosystems.

The life cycle of most beetles comprises four stages: egg, larva, pupa, and adult beetle. Larvae, often referred to as grubs, vary significantly in shape and lifestyle depending on the beetle species. Some live in the soil, while others reside in wood, water, or even within other insects.

Beetles are significant both in nature and for humans. They can be beneficial in agriculture by controlling pests or detrimental by damaging crops.

Overall, beetles represent a fascinating and diverse group of insects that play a vital role in the world's ecosystems due to their vast number of species and varied lifestyles.

Number of species: 774

Scarabaeidae Oryctes nasicornis
Oryctes nasicornis
(European rhinoceros beetle)
Hits: 2547 / 7.20
» Scarabaeidae » Dynastinae
Jun 2025
Scarabaeidae Oryctes nasicornis
Oryctes nasicornis
(European rhinoceros beetle)
Hits: 1718 / 4.86
» Scarabaeidae » Dynastinae
Jun 2025
Scarabaeidae Pentodon idiota
Pentodon idiota
(-)
Hits: 3353 / 4.40
» Scarabaeidae » Dynastinae
May 2024
Scarabaeidae Pentodon idiota
Pentodon idiota
(-)
Hits: 399 / 11.84
» Scarabaeidae » Dynastinae
Apr 2026
Hoplia argentea
(-)
Hits: 9788 / 2.87
» Scarabaeidae » Melolonthinae
May 2010
Scarabaeidae Hoplia argentea
Hoplia argentea
(-)
Hits: 4768 / 3.60
» Scarabaeidae » Melolonthinae
Jun 2022
Scarabaeidae Hoplia argentea
Hoplia argentea
(-)
Hits: 1003 / 6.84
» Scarabaeidae » Melolonthinae
Jun 2025
Scarabaeidae Hoplia philanthus
Hoplia praticola
(-)
Hits: 4794 / 3.63
» Scarabaeidae » Melolonthinae
May 2022
Scarabaeidae Hoplia
Hoplia praticola
(-)
Hits: 3760 / 4.94
» Scarabaeidae » Melolonthinae
Apr 2024
Scarabaeidae Hoplia praticola
Hoplia praticola
(-)
Hits: 957 / 28.39
» Scarabaeidae » Melolonthinae
May 2026
Scarabaeidae Melolontha hippocastani
Melolontha hippocastani
(Chestnut cockchafer)
Hits: 3797 / 4.99
» Scarabaeidae » Melolonthinae
Apr 2024
Melolontha melolontha
(-)
Hits: 8651 / 2.58
» Scarabaeidae » Melolonthinae
May 2011
Melolontha melolontha
(Cockchafer maybeetle)
Hits: 6452 / 3.82
» Scarabaeidae » Melolonthinae
Scarabaeidae Melolontha melolontha
Melolontha melolontha
(Cockchafer maybeetle)
Hits: 4588 / 3.47
» Scarabaeidae » Melolonthinae
Apr 2022
Scarabaeidae Melolontha melolontha
Melolontha melolontha
(Cockchafer maybeetle)
Hits: 4899 / 3.71
» Scarabaeidae » Melolonthinae
Apr 2022
Scarabaeidae Melolontha melolontha
Melolontha melolontha
(Common Cockchafer)
Hits: 551 / 16.35
» Scarabaeidae » Melolonthinae
Apr 2026
Scarabaeidae Polyphylla fullo
Polyphylla fullo
(Pine Chafer)
Hits: 4110 / 3.99
» Scarabaeidae » Melolonthinae
Aug 2023
Scarabaeidae Polyphylla fullo
Polyphylla fullo
(Pine Chafer)
Hits: 2474 / 7.80
» Scarabaeidae » Melolonthinae
Jul 2025
Scarabaeidae Amphimallon burmeisteri
Amphimallon burmeisteri
(-)
Hits: 2009 / 6.33
» Scarabaeidae » Melolonthinae
Jul 2025
Scarabaeidae Holochelus
Holochelus sp.
(-)
Hits: 3384 / 4.31
» Scarabaeidae » Melolonthinae
Apr 2024
Scarabaeidae Holochelus
Holochelus sp.
(-)
Hits: 3018 / 3.96
» Scarabaeidae » Melolonthinae
Apr 2024
Scarabaeidae Rhizotrogus aestivus
Rhizotrogus aestivus
(Summer Rhizotrogus)
Hits: 262 / 7.77
» Scarabaeidae » Melolonthinae
Apr 2026
Chaetopteroplia segetum
(-)
Hits: 6228 / 3.69
» Scarabaeidae » Rutelinae
Phyllopertha horticola
(Garden Chafer)
Hits: 5997 / 3.55
» Scarabaeidae » Rutelinae
Scarabaeidae Anomala dubia
Anomala dubia
(Dune Chafer)
Hits: 4158 / 3.98
» Scarabaeidae » Rutelinae
Jul 2023
Scarabaeidae Phyllopertha horticola
Phyllopertha horticola
(Garden Chafer)
Hits: 4922 / 3.78
» Scarabaeidae » Rutelinae
Jun 2022
Scarabaeidae Phyllopertha horticola
Phyllopertha horticola
(Garden Chafer)
Hits: 3277 / 4.68
» Scarabaeidae » Rutelinae
Jun 2024
Anisoplia agricola
(-)
Hits: 8246 / 3.62
» Scarabaeidae » Rutelinae
Jun 2018
Anisoplia agricola
(-)
Hits: 8011 / 3.52
» Scarabaeidae » Rutelinae
Jun 2018
Scarabaeidae Anisoplia agricola
Anisoplia agricola
(-)
Hits: 4380 / 3.34
» Scarabaeidae » Rutelinae
Jun 2020
Scarabaeidae Anisoplia agricola
Anisoplia agricola
(-)
Hits: 4250 / 3.59
» Scarabaeidae » Rutelinae
Jun 2018
Scarabaeidae Anisoplia agricola
Anisoplia agricola
(-)
Hits: 3727 / 3.57
» Scarabaeidae » Rutelinae
Jun 2023
Scarabaeidae Anisoplia agricola
Anisoplia agricola
(-)
Hits: 1356 / 6.04
» Scarabaeidae » Rutelinae
Jun 2025
Scarabaeidae Anisoplia austriaca
Anisoplia austriaca
(Wheat grain beetle)
Hits: 5114 / 3.80
» Scarabaeidae » Rutelinae
Jul 2022
Scarabaeidae Chaetopteroplia
Chaetopteroplia sp.
(-)
Hits: 3737 / 3.58
» Scarabaeidae » Rutelinae
Jun 2023
Scarabaeidae Chaetopteroplia
Chaetopteroplia sp.
(-)
Hits: 1467 / 4.63
» Scarabaeidae » Rutelinae
Jun 2025
Scarabaeidae Chaetopteroplia
Chaetopteroplia sp.
(-)
Hits: 1521 / 4.80
» Scarabaeidae » Rutelinae
Jun 2025
Sisyphus schaefferi
(-)
Hits: 6953 / 4.12
» Scarabaeidae » Scarabaeinae
Scarabaeidae Onthophagus coenobita
Onthophagus coenobita
(-)
Hits: 4845 / 3.60
» Scarabaeidae » Scarabaeinae
Jun 2022
Scarabaeidae Onthophagus coenobita
Onthophagus coenobita
(-)
Hits: 3506 / 4.71
» Scarabaeidae » Scarabaeinae
May 2024
Scarabaeidae Onthophagus coenobita
Onthophagus coenobita
(-)
Hits: 2182 / 5.69
» Scarabaeidae » Scarabaeinae
May 2025
Scarabaeidae Onthophagus fracticornis
Onthophagus fracticornis
(-)
Hits: 2990 / 3.63
» Scarabaeidae » Scarabaeinae
Mar 2024
Scarabaeidae Scarabaeidae
Onthophagus verticicornis
(-)
Hits: 4808 / 4.60
» Scarabaeidae » Scarabaeinae
Jun 2023
Scarabaeidae Onthophagus verticicornis
Onthophagus verticicornis
(-)
Hits: 2691 / 3.84
» Scarabaeidae » Scarabaeinae
Jun 2024
Scarabaeidae Onthophagus verticicornis
Onthophagus verticicornis
(-)
Hits: 1898 / 4.66
» Scarabaeidae » Scarabaeinae
Apr 2025
Scarabaeidae Sisyphus schaefferi
Sisyphus schaefferi
(-)
Hits: 3577 / 3.42
» Scarabaeidae » Scarabaeinae
Jun 2023
Scarabaeidae Sisyphus schaefferi
Sisyphus schaefferi
(-)
Hits: 3189 / 4.19
» Scarabaeidae » Scarabaeinae
May 2024
Scarabaeidae Sisyphus schaefferi
Sisyphus schaefferi
(-)
Hits: 2680 / 3.82
» Scarabaeidae » Scarabaeinae
Jun 2024

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