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

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  2. 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: 676

Carabidae Bembidion pallidipenne
Bembidion pallidipenne
(-)
Hits: 63 / 20.86
» Carabidae » Trechinae
May 2025
Carabidae Bembidion pallidipenne
Bembidion pallidipenne
(-)
Hits: 60 / 19.87
» Carabidae » Trechinae
May 2025
Bembidion quadripustulatum
(-)
Hits: 1202 / 3.75
» Carabidae » Trechinae
Carabidae Bembidion
Bembidion quadripustulatum
(-)
Hits: 2545 / 3.83
» Carabidae » Trechinae
Jun 2023
Carabidae Bembidion decorum
Bembidion decorum
(-)
Hits: 2378 / 2.69
» Carabidae » Trechinae
Jul 2022
Carabidae Carabidae
Trechus sp.
(-)
Hits: 3075 / 3.30
» Carabidae » Trechinae
Jun 2021
Carabidae Trechus quadristriatus
Trechus quadristriatus
(Four-striated riverbank ground beetle)
Hits: 754 / 3.60
» Carabidae » Trechinae
Aug 2024
Carabidae Trechus
Trechus sp.
(-)
Hits: 2503 / 2.58
» Carabidae » Trechinae
Jun 2022
Dytiscidae Hydaticus transversalis
Hydaticus transversalis
(-)
Hits: 1608 / 4.42
» 1739-dytiscidae » Dytiscinae
May 2024
Trachelipodidae Trachelipus ratzeburgii
Trachelipus ratzeburgii
(-)
Hits: 503 / 9.23
»
Apr 2025
Tomoceridae Tomocerus
Tomocerus sp.
(-)
Hits: 486 / 8.92
»
Apr 2025
Porcellionidae Porcellio spinicornis
Porcellio spinicornis
(Isopod)
Hits: 444 / 8.15
»
Mar 2025
Glomeridae Glomeris pustulata
Glomeris pustulata
(-)
Hits: 375 / 6.88
»
Mar 2025
Lichenophanes varius
(-)
Hits: 4723 / 3.83
» Bostrichidae » Bostrichinae
Jul 2021
Bostrichidae Lichenophanes varius
Lichenophanes varius
(-)
Hits: 726 / 3.47
» Bostrichidae » Bostrichinae
Jun 2024
Bostrichidae Bostrichus capucinus
Bostrichus capucinus
(-)
Hits: 1796 / 2.70
» Bostrichidae » Bostrichinae
May 2023
Bostrichidae Bostrichus capucinus
Bostrichus capucinus
(-)
Hits: 1864 / 2.81
» Bostrichidae » Bostrichinae
May 2023
Bostrichidae Bostrichus capucinus
Bostrichus capucinus
(-)
Hits: 1910 / 2.88
» Bostrichidae » Bostrichinae
May 2023
Bostrichidae Sinoxylon
Sinoxylon sp.
(-)
Hits: 1216 / 3.00
» Bostrichidae » Bostrichinae
Apr 2024
Paranovelsis punctatus
(-)
Hits: 5024 / 4.08
» Dermestidae » Attageninae
Apr 2021
Dermestidae Paranovelsis punctatus
Paranovelsis punctatus
(-)
Hits: 1290 / 3.39
» Dermestidae » Attageninae
Apr 2024
Dermestidae Paranovelsis punctatus
Paranovelsis punctatus
(-)
Hits: 1581 / 3.61
» Dermestidae » Attageninae
Mar 2024
Dermestes lardarius
(Larder Beetle)
Hits: 4189 / 3.40
» Dermestidae » Dermestinae
Dermestidae Dermestes murinus
Dermestes murinus
(-)
Hits: 1503 / 3.43
» Dermestidae » Dermestinae
Mar 2024
Dermestidae Dermestes laniarius
Dermestes laniarius
(-)
Hits: 2474 / 2.62
» Dermestidae » Dermestinae
Jun 2022
Dermestidae Anthrenus verbasci
Anthrenus verbasci
(Varied carpet beetle)
Hits: 51 / 16.88
» Dermestidae » Megatominae
May 2025
Dermestidae Anthrenus verbasci
Anthrenus verbasci
(Varied carpet beetle)
Hits: 395 / 4.60
» Dermestidae » Megatominae
Jun 2024
Dermestidae Anthrenus scrophulariae
Anthrenus scrophulariae
(Common carpet beetle)
Hits: 2651 / 2.82
» Dermestidae » Megatominae
Apr 2022
Ptinidae Ptilinus
Ptilinus pectinicornis
(-)
Hits: 2151 / 4.05
» Ptinidae » Ptilininae
Jun 2023
Ptinidae Ptilinus pectinicornis
Ptilinus pectinicornis
(Fan-bearing wood-borer)
Hits: 2460 / 2.62
» Ptinidae » Ptilininae
May 2022
Ptinidae Ptilinus pectinicornis
Ptilinus pectinicornis
(Fan-bearing wood-borer)
Hits: 2645 / 2.81
» Ptinidae » Ptilininae
May 2022
Mezium affine
(Shiny spider beetle)
Hits: 8130 / 1.12

User Rating: 4 / 5

» Ptinidae » Ptininae
Apr 2010
Cerambycidae Anaglyptus mysticus
Anaglyptus mysticus
(-)
Hits: 64 / 21.21
» Cerambycidae » Cerambycinae
May 2025
Cerambycidae Anaglyptus mysticus
Anaglyptus mysticus
(-)
Hits: 1294 / 3.40
» Cerambycidae » Cerambycinae
Apr 2024
Cerambycidae Anaglyptus mysticus
Anaglyptus mysticus
(-)
Hits: 1905 / 2.86
» Cerambycidae » Cerambycinae
May 2023
Cerambycidae Anaglyptus mysticus
Anaglyptus mysticus
(-)
Hits: 2004 / 3.01
» Cerambycidae » Cerambycinae
May 2023
Cerambycidae Anaglyptus mysticus
Anaglyptus mysticus
(-)
Hits: 2322 / 3.11
» Cerambycidae » Cerambycinae
May 2023
Cerambycidae Anaglyptus mysticus
Anaglyptus mysticus
(-)
Hits: 2249 / 3.01
» Cerambycidae » Cerambycinae
Apr 2023
Cerambycidae Anaglyptus mysticus
Anaglyptus mysticus
(-)
Hits: 2781 / 2.96
» Cerambycidae » Cerambycinae
May 2022
Cerambycidae Anaglyptus mysticus
Anaglyptus mysticus
(-)
Hits: 2886 / 2.99
» Cerambycidae » Cerambycinae
Jun 2022
Cerambycidae Anaglyptus mysticus
Anaglyptus mysticus
(-)
Hits: 3310 / 3.06
» Cerambycidae » Cerambycinae
May 2022
Anaglyptus mysticus
(-)
Hits: 4346 / 3.12
» Cerambycidae » Cerambycinae
Anaglyptus mysticus
(-)
Hits: 4286 / 3.08
» Cerambycidae » Cerambycinae
Anaglyptus mysticus
(-)
Hits: 7924 / 1.88
» Cerambycidae » Cerambycinae
May 2016
Cerambycidae Aromia moschata
Aromia moschata
(Musk Beetle)
Hits: 1565 / 5.23
» Cerambycidae » Cerambycinae
Jul 2024
Cerambycidae Aromia moschata
Aromia moschata
(Musk Beetle)
Hits: 2969 / 2.93
» Cerambycidae » Cerambycinae
Jul 2022
Aromia moschata
(Musk Beetle)
Hits: 4280 / 3.07
» Cerambycidae » Cerambycinae
Aromia moschata
(Musk Beetle)
Hits: 4730 / 3.40
» Cerambycidae » Cerambycinae

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