Insects.at
INSECTS.AT - by Per Hoffmann Olsen
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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: 755

Chrysomelidae Cryptocephalus coryli
Cryptocephalus coryli
(Hazed Pot Beetle)
Hits: 1069 / 3.81
» Chrysomelidae » Cryptocephalinae
May 2025
Chrysomelidae Cryptocephalus flavipes
Cryptocephalus flavipes
(-)
Hits: 2970 / 4.42
» Chrysomelidae » Cryptocephalinae
May 2024
Chrysomelidae Cryptocephalus flavipes
Cryptocephalus flavipes
(-)
Hits: 2912 / 4.33
» Chrysomelidae » Cryptocephalinae
May 2024
Chrysomelidae Cryptocephalus nitidulus
Cryptocephalus nitidulus
(Shining Pot Beetle)
Hits: 404 / 5.48
» Chrysomelidae » Cryptocephalinae
May 2025
Chrysomelidae Cryptocephalus nitidus
Cryptocephalus nitidus
(-)
Hits: 1277 / 4.55
» Chrysomelidae » Cryptocephalinae
May 2025
Chrysomelidae Cryptocephalus populi
Cryptocephalus populi
(-)
Hits: 2192 / 3.49
» Chrysomelidae » Cryptocephalinae
Jun 2024
Chrysomelidae Cryptocephalus quinquepunctatus
Cryptocephalus quinquepunctatus
(-)
Hits: 3178 / 3.27
» Chrysomelidae » Cryptocephalinae
Jun 2023
Chrysomelidae Cryptocephalus schaefferi
Cryptocephalus schaefferi
(-)
Hits: 3869 / 2.80
» Chrysomelidae » Cryptocephalinae
May 2008
Chrysomelidae Cryptocephalus schaefferi
Cryptocephalus schaefferi
(-)
Hits: 3913 / 2.83
» Chrysomelidae » Cryptocephalinae
May 2021
Chrysomelidae Cryptocephalus schaefferi
Cryptocephalus schaefferi
(-)
Hits: 4532 / 3.28
» Chrysomelidae » Cryptocephalinae
May 2021
Chrysomelidae Cryptocephalus sericeus
Cryptocephalus sericeus
(-)
Hits: 4140 / 3.00
» Chrysomelidae » Cryptocephalinae
Jul 2019
Chrysomelidae Cryptocephalus sericeus
Cryptocephalus sericeus
(-)
Hits: 3827 / 2.77
» Chrysomelidae » Cryptocephalinae
May 2019
Chrysomelidae Cryptocephalus sericeus
Cryptocephalus sericeus
(-)
Hits: 2282 / 3.40
» Chrysomelidae » Cryptocephalinae
May 2024
Chrysomelidae Cryptocephalus sericeus
Cryptocephalus sericeus
(-)
Hits: 2049 / 3.26
» Chrysomelidae » Cryptocephalinae
Jun 2024
Chrysomelidae Cryptocephalus sericeus
Cryptocephalus sericeus
(-)
Hits: 2027 / 3.34
» Chrysomelidae » Cryptocephalinae
Jul 2024
Chrysomelidae Cryptocephalus sexpunctatus
Cryptocephalus sexpunctatus
(Six-spotted Pot Beetle)
Hits: 2389 / 3.47
» Chrysomelidae » Cryptocephalinae
Apr 2024
Chrysomelidae Cryptocephalus signatifrons
Cryptocephalus signatifrons
(-)
Hits: 3774 / 5.48
» Chrysomelidae » Cryptocephalinae
Apr 2024
Chrysomelidae Cryptocephalus signatifrons
Cryptocephalus signatifrons
(-)
Hits: 2493 / 3.62
» Chrysomelidae » Cryptocephalinae
Apr 2024
Chrysomelidae Chrysomelidae
Cryptocephalus sp.
(-)
Hits: 3841 / 3.95
» Chrysomelidae » Cryptocephalinae
May 2023
Chrysomelidae Cryptocephalus
Cryptocephalus sp.
(Leaf Beetle)
Hits: 2469 / 2.94
» Chrysomelidae » Cryptocephalinae
May 2023
Chrysomelidae Cryptocephalus
Cryptocephalus sp.
(Leaf Beetle)
Hits: 2425 / 3.52
» Chrysomelidae » Cryptocephalinae
Apr 2024
Chrysomelidae Cryptocephalus
Cryptocephalus sp.
(Leaf Beetle)
Hits: 1496 / 4.81
» Chrysomelidae » Cryptocephalinae
May 2025
Chrysomelidae Cryptocephalus violaceus
Cryptocephalus violaceus
(-)
Hits: 4089 / 2.96
» Chrysomelidae » Cryptocephalinae
May 2020
Cryptocephalus violaceus
Cryptocephalus violaceus
(-)
Hits: 3708 / 2.96
» Chrysomelidae » Cryptocephalinae
Jun 2022
Cryptocephalus violaceus
Cryptocephalus violaceus
(-)
Hits: 2701 / 3.92
» Chrysomelidae » Cryptocephalinae
May 2024
Komplex Cryptocephalus sericeus
Komplex Cryptocephalus sericeus
(-)
Hits: 3455 / 3.55
» Chrysomelidae » Cryptocephalinae
Jun 2023
Chrysomelidae Pachybrachis tessellatus
Pachybrachis tessellatus
(-)
Hits: 2625 / 4.18
» Chrysomelidae » Cryptocephalinae
Jun 2024
Chrysomelidae Pachybrachis hieroglyphicus
Pachybrachis hieroglyphicus
(-)
Hits: 1199 / 4.91
» Chrysomelidae » Cryptocephalinae
Jul 2025
Chrysomelidae Pachybrachis hieroglyphicus
Pachybrachis hieroglyphicus
(-)
Hits: 1244 / 5.09
» Chrysomelidae » Cryptocephalinae
Jul 2025
Chrysomelidae Donacia marginata
Donacia marginata
(-)
Hits: 2958 / 4.40
» Chrysomelidae » Donaciinae
May 2024
Chrysomelidae Donacia marginata
Donacia marginata
(-)
Hits: 3439 / 5.48
» Chrysomelidae » Donaciinae
May 2024
Chrysomelidae Donacia semicuprea
Donacia semicuprea
(-)
Hits: 3241 / 5.16
» Chrysomelidae » Donaciinae
May 2024
Chrysomelidae Donacia simplex
Donacia simplex
(-)
Hits: 2716 / 4.32
» Chrysomelidae » Donaciinae
May 2024
Plateumaris consimilis
(-)
Hits: 5385 / 3.46
» Chrysomelidae » Donaciinae
May 2009
Chrysochus asclepiadeus
(-)
Hits: 7986 / 3.29
» Chrysomelidae » Eumolpinae
Chrysochus asclepiadeus
(-)
Hits: 7586 / 3.12
» Chrysomelidae » Eumolpinae
Chrysochus asclepiadeus
(-)
Hits: 8242 / 3.39
» Chrysomelidae » Eumolpinae
Chrysochus asclepiadeus
(-)
Hits: 5743 / 3.73
» Chrysomelidae » Eumolpinae
Pachnephorus villosus
(-)
Hits: 5516 / 3.59
» Chrysomelidae » Eumolpinae
Chrysomelidae Chrysochus asclepiadeus
Chrysochus asclepiadeus
(-)
Hits: 1843 / 5.09
» Chrysomelidae » Eumolpinae
Jun 2024
Alticini
Alticini
(-)
Hits: 3599 / 4.29
» Chrysomelidae » Galerucinae
Jul 2023
Galeruca pomonae
(-)
Hits: 5657 / 3.05
» Chrysomelidae » Galerucinae
Chrysomelidae Galerucinae
Galerucinae sp.
(-)
Hits: 3941 / 3.16
» Chrysomelidae » Galerucinae
May 2022
Alticini
Alticini
(-)
Hits: 4168 / 3.39
» Chrysomelidae » Galerucinae
Jun 2022
Chrysomelidae Alticini
Alticini sp.
(-)
Hits: 292 / 17.48
» Chrysomelidae » Galerucinae
Mar 2026
Aphthona
Aphthona
(-)
Hits: 2098 / 5.79
» Chrysomelidae » Galerucinae
Mar 2025
Chrysomelidae Aphthona
Aphthona sp.
(-)
Hits: 4014 / 3.36
» Chrysomelidae » Galerucinae
Nov 2022
Chrysomelidae Aphthona
Aphthona sp.
(-)
Hits: 1906 / 5.26
» Chrysomelidae » Galerucinae
Mar 2025

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