Common Cockchafer (Melolontha melolontha (Linnaeus, 1758))

Scientific name: Melolontha melolontha (Linnaeus, 1758)
Common name: Common Cockchafer
French name: Hanneton commun
Order: Coleoptera
Family: Melolonthidae
Wingspan : 25 to 30 mm.
Biotope: Cultivated areas, gardens, orchards, woodland edges, meadows.
Geographic area: Europe north to mid Scandinavia. Missing in the Iberian Peninsula and in Italy.
Observation period : From April-May to early summer. Due to the life cycle lasting 3 years or more, populations may vary from year to year.

The Common Cockchafer is a large coleoptera with reddish brown elytra hiding tow long membranous wings.
The small and flat head bears two long antennae ending with 7 "leaves" on males and only 6 "leaves" on females.
The thorax is wider than the head. It is black with russet hairs.
The legs end with two curved hooks.
The abdomen has a pointed tip and shows triangular white marks on each side.
The Common Cockchafer has a noisy flight.
The Common Cockchafer larva is a large white grub living under the ground. It feeds on roots and then can cause important damage to cultivated plants.
Adult Common Cockchafer feed on leaves.
The populations have drastically decreased because of the use of pesticide in regions of intensive agriculture.
They tend to increase today because there is a higher control on the use of the pesticides.


Common Cockchafer (Melolontha melolontha) - Yvelines, France - May 1st 2009
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Common Cockchafer (Melolontha melolontha)
I have found this Common Cockchafer in the rain water collector tank. I have rescued it and put it down on the lawn.
I took this chance to shoot a few pictures and then let it in peace to recover some strength.



Common Cockchafer (Melolontha melolontha) - Yvelines, France - May 1st 2010
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Common Cockchafer (Melolontha melolontha)
Exactly one year after the rescue, I have found again one Common Cockchafer suffocating in water at the same place.
I have then repeated the "Baywatch" episode.



Common Cockchafer (Melolontha melolontha) - Yvelines, France - May 1st 2009
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Common Cockchafer (Melolontha melolontha)
The six "leaves" on the tip of the antennae indicate a female.



Common Cockchafer (Melolontha melolontha) - Yvelines, France - May 1st 2009
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Common Cockchafer (Melolontha melolontha)
You can clearly see, on this picture, the two curved hooks on the tip of the legs.



Common Cockchafer (Melolontha melolontha) - Yvelines, France - March 14th 2014
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Common Cockchafer (Melolontha melolontha)
I have found this Common Cockchafer larva while digging the ground under my Hazelnut tree.
I am used to often observing Rose Chafer larvae in my compost heap which is very close but they are easy to tell apart.
Rose Chafer larvae have a smaller head, a enlarged rear tip and especially short legs, shorter than the width of the body.
Common Cockchafer larvae have a larger head, a slender rear tip and legs which are longer than the width of the body.



Common Cockchafer (Melolontha melolontha) - Yvelines, France - March 14th 2014
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Common Cockchafer (Melolontha melolontha)
Close up view of the head and of the mandibles.



Common Cockchafer (Melolontha melolontha) - Yvelines, France - March 14th 2014
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Common Cockchafer (Melolontha melolontha)
Close up view of the body of the larva.

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