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The world of beetles

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The giraffe weevil (Cycnotrachelus flavotuberosus). Weevils are a type of beetle and they are a menace to crops.
The giraffe weevil (Cycnotrachelus flavotuberosus). Weevils are a type of beetle and they are a menace to crops.Photo: Geetha Iyer
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Water beetle. The Cherokees believed that this beetle created the earth.
Water beetle. The Cherokees believed that this beetle created the earth.Photo: Geetha Iyer
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Mehearchus dispar of the family Tenebrionidae. The Eleodes beetle of Mexico belongs to this family.
Mehearchus dispar of the family Tenebrionidae. The Eleodes beetle of Mexico belongs to this family.Photo: Geetha Iyer
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Net-winged beetle. Forty per cent of all animal life on the earth is beetles and weevils.
Net-winged beetle. Forty per cent of all animal life on the earth is beetles and weevils.Photo: Geetha Iyer
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Tiger beetle, Cicindela catena.
Tiger beetle, Cicindela catena.Photo: Geetha Iyer
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Tiger beetle, Cicindela (Cosmodela) cf. aurulenta.
Tiger beetle, Cicindela (Cosmodela) cf. aurulenta.Photo: Geetha Iyer
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Stag beetle, family Lucanidae.
Stag beetle, family Lucanidae.Photo: Geetha Iyer
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Stag beetle, Odontolabis sp.
Stag beetle, Odontolabis sp.Photo: Geetha Iyer
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Chafer, Dicronocephalus wallichii.
Chafer, Dicronocephalus wallichii.Photo: Geetha Iyer
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A male rhinocerous beetle, Xylotrupes gideon. It hisses when disturbed but is harmless.
A male rhinocerous beetle, Xylotrupes gideon. It hisses when disturbed but is harmless.Photo: Geetha Iyer
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A beetle with its elytra, or forewings, open, exposing its inner membranous wings that are used for flying.
A beetle with its elytra, or forewings, open, exposing its inner membranous wings that are used for flying.Photo: Geetha Iyer
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Scarabs were revered by various cultures, especially the ancient Egyptians. An Indian scarab, Mimela sp.
Scarabs were revered by various cultures, especially the ancient Egyptians. An Indian scarab, Mimela sp.
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Scarabs were revered by various cultures, especially the ancient Egyptians. An Indian scarab, castor seed beetle (Anatona cf. stillata).
Scarabs were revered by various cultures, especially the ancient Egyptians. An Indian scarab, castor seed beetle (Anatona cf. stillata).Photo: Geetha Iyer
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Scarabs were revered by various cultures, especially the ancient Egyptians. An Indian scarab, Melolontha sp.
Scarabs were revered by various cultures, especially the ancient Egyptians. An Indian scarab, Melolontha sp.Photo: Geetha Iyer
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Click beetles are generally nocturnal and are plant feeders. Here, a click beetle of the Cryptalaus species.
Click beetles are generally nocturnal and are plant feeders. Here, a click beetle of the Cryptalaus species.Photo: Geetha Iyer
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Click beetles are generally nocturnal and are plant feeders. Here, a click beetle of the Cryptalaus species.
Click beetles are generally nocturnal and are plant feeders. Here, a click beetle of the Cryptalaus species.Photo: Geetha Iyer
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The colours of jewel beetles (here, Chrysochroa sp.) are produced because of the phenomenon of interference of light when it falls on their elytra.
The colours of jewel beetles (here, Chrysochroa sp.) are produced because of the phenomenon of interference of light when it falls on their elytra.Photo: Yeshwanth H.M.
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The colours of jewel beetles (here, Chrysochroa sp.) are produced because of the phenomenon of interference of light when it falls on their elytra.
The colours of jewel beetles (here, Chrysochroa sp.) are produced because of the phenomenon of interference of light when it falls on their elytra.Photo: Yeshwanth H.M.
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Jewel, or metallic wood-boring, beetle (Catoxantha opulenta).
Jewel, or metallic wood-boring, beetle (Catoxantha opulenta).Photo: Geetha Iyer
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Scarab, Popillia cupricollis.
Scarab, Popillia cupricollis.Photo: Geetha Iyer
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Scarab, Mimela sp.
Scarab, Mimela sp.
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Scarab, Anomala sp.
Scarab, Anomala sp.Photo: Geetha Iyer
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Scarab, Anomala sp.
Scarab, Anomala sp.Photo: Geetha Iyer
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Scarab, Anomala sp.
Scarab, Anomala sp.Photo: Geetha Iyer
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Scarab, Popilllia cyanea.
Scarab, Popilllia cyanea.Photo: Geetha Iyer
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Light falling on the chitinous layers of a beetle's elytra produces shining colours, which are called structural colours, and they do not fade. This is a concept carmakers are studying for use in car paint. Here, Popillia sp.
Light falling on the chitinous layers of a beetle's elytra produces shining colours, which are called structural colours, and they do not fade. This is a concept carmakers are studying for use in car paint. Here, Popillia sp.Photo: Geetha Iyer
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Light falling on the chitinous layers of a beetle's elytra produces shining colours, which are called structural colours, and they do not fade. This is a concept carmakers are studying for use in car paint. Here, Trigonophorus sp.
Light falling on the chitinous layers of a beetle's elytra produces shining colours, which are called structural colours, and they do not fade. This is a concept carmakers are studying for use in car paint. Here, Trigonophorus sp.
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Light falling on the chitinous layers of a beetle's elytra produces shining colours, which are called structural colours, and they do not fade. This is a concept carmakers are studying for use in car paint. Here, a leaf chafer (Rutelinae family).
Light falling on the chitinous layers of a beetle's elytra produces shining colours, which are called structural colours, and they do not fade. This is a concept carmakers are studying for use in car paint. Here, a leaf chafer (Rutelinae family).Photo: Geetha Iyer
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Australian jewel beetle (Julodimorpha bakewelli) trying to copulate with a beer bottle. Researchers found that beetle numbers were declining because the male beetles were dying while trying to mate with the bottles, which they mistook for the female of the species. Australian beer companies solved the problem by changing the design and colour of the bottles.
Australian jewel beetle (Julodimorpha bakewelli) trying to copulate with a beer bottle. Researchers found that beetle numbers were declining because the male beetles were dying while trying to mate with the bottles, which they mistook for the female of the species. Australian beer companies solved the problem by changing the design and colour of the bottles.Photo: Courtesy: Darryl Gwynne
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Stag beetle, Prosopocoilus cf. occipitalis.
Stag beetle, Prosopocoilus cf. occipitalis.Photo: Geetha Iyer
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Stag beetle, Hexarthrius sp.
Stag beetle, Hexarthrius sp.Photo: Geetha Iyer
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A beetle (family Meloidae) showing reflex bleeding from a joint, that is, it produces the poisonous substance cantharidin. This is a a defence mechanism in many beetles.
A beetle (family Meloidae) showing reflex bleeding from a joint, that is, it produces the poisonous substance cantharidin. This is a a defence mechanism in many beetles.Photo: Geetha Iyer
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Pollinator beetles in an arum plant.
Pollinator beetles in an arum plant.Photo: Geetha Iyer
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Leaf-chewing beetle.
Leaf-chewing beetle.Photo: Geetha Iyer
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Defoliator beetle, Calopepla leayana.
Defoliator beetle, Calopepla leayana.Photo: Geetha Iyer
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The beetles of the family Chrysomeloidae (leaf beetles) also have iridescent elytra. Here, a leaf beetle of the Merista species.
The beetles of the family Chrysomeloidae (leaf beetles) also have iridescent elytra. Here, a leaf beetle of the Merista species.Photo: Geetha Iyer
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The beetles of the family Chrysomeloidae (leaf beetles) also have iridescent elytra. Here, a leaf beetle of the Merista species.
The beetles of the family Chrysomeloidae (leaf beetles) also have iridescent elytra. Here, a leaf beetle of the Merista species.Photo: Geetha Iyer
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Insects are capable of adapting to changing habitats as their survival for millions of years has shown. Here, a leaf beetle.
Insects are capable of adapting to changing habitats as their survival for millions of years has shown. Here, a leaf beetle.Photo: Geetha Iyer
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Insects are capable of adapting to changing habitats as their survival for millions of years has shown. Here, a leaf beetle.
Insects are capable of adapting to changing habitats as their survival for millions of years has shown. Here, a leaf beetle.Photo: Geetha Iyer
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Studies indicate that the diversity of dung beetles is on the decline in India and in Europe. Dung beetle, Paragymnopleurus sp.
Studies indicate that the diversity of dung beetles is on the decline in India and in Europe. Dung beetle, Paragymnopleurus sp.
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Studies indicate that the diversity of dung beetles is on the decline in India and in Europe. Dung beetle, Copris magicus.
Studies indicate that the diversity of dung beetles is on the decline in India and in Europe. Dung beetle, Copris magicus.Photo: Geetha Iyer
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Studies indicate that the diversity of dung beetles is on the decline in India and in Europe. The elephant dung beetle, Heliocopris dominus.
Studies indicate that the diversity of dung beetles is on the decline in India and in Europe. The elephant dung beetle, Heliocopris dominus.Photo: Geetha Iyer
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Dead prawns cleaned up in 30 minutes by scavenging scarab beetles in a forest in Arunachal Pradesh. The site at 7:30 p.m.
Dead prawns cleaned up in 30 minutes by scavenging scarab beetles in a forest in Arunachal Pradesh. The site at 7:30 p.m.Photo: Geetha Iyer
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Dead prawns cleaned up in 30 minutes by scavenging scarab beetles in a forest in Arunachal Pradesh. The site at 9 p.m.
Dead prawns cleaned up in 30 minutes by scavenging scarab beetles in a forest in Arunachal Pradesh. The site at 9 p.m.Photo: Geetha Iyer
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White beetle.
White beetle.Photo: Geetha Iyer
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Palm weevil, Rhynchophorus ferrugineus.
Palm weevil, Rhynchophorus ferrugineus.Photo: Geetha Iyer
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A weevil pest on an okra (ladies' finger) plant.
A weevil pest on an okra (ladies' finger) plant.Photo: Geetha Iyer
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Leaf-rolling weevil, family Attelabidae.
Leaf-rolling weevil, family Attelabidae.Photo: Geetha Iyer
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The elytra of weevils are so finely designed that any sculptor who sees them would likely break into a dervish whirl.
The elytra of weevils are so finely designed that any sculptor who sees them would likely break into a dervish whirl.Photo: Geetha Iyer
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The elytra of weevils are so finely designed that any sculptor who sees them would likely break into a dervish whirl.
The elytra of weevils are so finely designed that any sculptor who sees them would likely break into a dervish whirl.Photo: Geetha Iyer
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The elytra of weevils are so finely designed that any sculptor who sees them would likely break into a dervish whirl.
The elytra of weevils are so finely designed that any sculptor who sees them would likely break into a dervish whirl.Photo: Geetha Iyer
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