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Phaedon cochleariae In 2019 I went back to a location where I had found <a href="https://www.jungledragon.com/tag/72311/phyllotreta_armoraciae.html" title="Phyllotreta armoraciae" class="tag"><em>2</em>Phyllotreta armoraciae</a> on horseradish in previous years, to prove the presence of that rare species. Every time I had observed the Phyllotreta, some Phaedon sp. had also always been present but my old images where not good enough for ID. As expected these where present in 2019 as well and the plants were even teeming with larvae, so I took some of these home to confirm that they indeed belonged to the Phaedon cochleariae present on the plants.<br />
<figure class="photo"><a href="https://www.jungledragon.com/image/106886/phaedon_cochleariae_-_larva.html" title="Phaedon cochleariae - Larva"><img src="https://s3.amazonaws.com/media.jungledragon.com/images/3043/106886_thumb.jpg?AWSAccessKeyId=05GMT0V3GWVNE7GGM1R2&Expires=1616630410&Signature=yJoQvhCZ8m%2Fz5JP5xt6G%2FNmsbOw%3D" width="200" height="114" alt="Phaedon cochleariae - Larva See with this image:<br />
https://www.jungledragon.com/image/106885/phaedon_cochleariae.html Chrysomelidae,Chrysomelinae,Geotagged,Larva,Netherlands,Phaedon,Phaedon cochleariae,nl: Waterkershaantje" /></a></figure><br />
<figure class="photo"><a href="https://www.jungledragon.com/image/106890/phaedon_cochleariae_-_larva.html" title="Phaedon cochleariae - Larva"><img src="https://s3.amazonaws.com/media.jungledragon.com/images/3043/106890_thumb.jpg?AWSAccessKeyId=05GMT0V3GWVNE7GGM1R2&Expires=1616630410&Signature=hC2JpV2bEaLt6hjzm9rfq5uLQJ0%3D" width="200" height="114" alt="Phaedon cochleariae - Larva See with this image:<br />
https://www.jungledragon.com/image/106885/phaedon_cochleariae.html Chrysomelidae,Chrysomelinae,Larva,Phaedon,Phaedon cochleariae,nl: Waterkershaantje" /></a></figure><br />
<figure class="photo"><a href="https://www.jungledragon.com/image/106888/phaedon_cochleariae_-_larva.html" title="Phaedon cochleariae - Larva"><img src="https://s3.amazonaws.com/media.jungledragon.com/images/3043/106888_thumb.jpg?AWSAccessKeyId=05GMT0V3GWVNE7GGM1R2&Expires=1616630410&Signature=TinUThCiJvBLfoTUyMfWqG5bwT8%3D" width="200" height="114" alt="Phaedon cochleariae - Larva See with this image:<br />
https://www.jungledragon.com/image/106885/phaedon_cochleariae.html Chrysomelidae,Chrysomelinae,Larva,Phaedon,Phaedon cochleariae,nl: Waterkershaantje" /></a></figure><br />
<figure class="photo"><a href="https://www.jungledragon.com/image/106887/phaedon_cochleariae_-_larvae.html" title="Phaedon cochleariae - Larvae"><img src="https://s3.amazonaws.com/media.jungledragon.com/images/3043/106887_thumb.jpg?AWSAccessKeyId=05GMT0V3GWVNE7GGM1R2&Expires=1616630410&Signature=hQJXBXjDBC9YZpFCd4TkpXyMiV4%3D" width="200" height="114" alt="Phaedon cochleariae - Larvae See with this image:<br />
https://www.jungledragon.com/image/106885/phaedon_cochleariae.html Chrysomelidae,Chrysomelinae,Larvae,Phaedon,Phaedon cochleariae,nl: Waterkershaantje" /></a></figure><br />
<figure class="photo"><a href="https://www.jungledragon.com/image/106889/phaedon_cochleariae_-_larvae.html" title="Phaedon cochleariae - Larvae"><img src="https://s3.amazonaws.com/media.jungledragon.com/images/3043/106889_thumb.jpg?AWSAccessKeyId=05GMT0V3GWVNE7GGM1R2&Expires=1616630410&Signature=OUL246cO0Lf%2B4AMrM0CbmS4osyI%3D" width="200" height="114" alt="Phaedon cochleariae - Larvae See with this image:<br />
https://www.jungledragon.com/image/106885/phaedon_cochleariae.html Chrysomelidae,Chrysomelinae,Larvae,Phaedon,Phaedon cochleariae,nl: Waterkershaantje" /></a></figure><br />
<figure class="photo"><a href="https://www.jungledragon.com/image/106891/phaedon_cochleariae_-_feeding_damage.html" title="Phaedon cochleariae - Feeding damage"><img src="https://s3.amazonaws.com/media.jungledragon.com/images/3043/106891_thumb.jpg?AWSAccessKeyId=05GMT0V3GWVNE7GGM1R2&Expires=1616630410&Signature=3qV0ty5%2B11WMd248n5x%2FoyD02tY%3D" width="200" height="114" alt="Phaedon cochleariae - Feeding damage Feeding damage on Horseradish (Armoracia rusticana), caused by the larvae of Phaedon cochleariae<br />
See with this image:<br />
https://www.jungledragon.com/image/106885/phaedon_cochleariae.html Armoracia rusticana,Chrysomelidae,Chrysomelinae,Horseradish,Phaedon,Phaedon cochleariae,feeding damage,nl: Mierik,nl: Waterkershaantje" /></a></figure> Chrysomelidae,Chrysomelinae,Geotagged,Horseradish,Netherlands,Phaedon,Phaedon cochleariae,nl: Waterkershaantje Click/tap to enlarge PromotedSpecies introCountry intro

Phaedon cochleariae

In 2019 I went back to a location where I had found 2Phyllotreta armoraciae on horseradish in previous years, to prove the presence of that rare species. Every time I had observed the Phyllotreta, some Phaedon sp. had also always been present but my old images where not good enough for ID. As expected these where present in 2019 as well and the plants were even teeming with larvae, so I took some of these home to confirm that they indeed belonged to the Phaedon cochleariae present on the plants.

Phaedon cochleariae - Larva See with this image:<br />
https://www.jungledragon.com/image/106885/phaedon_cochleariae.html Chrysomelidae,Chrysomelinae,Geotagged,Larva,Netherlands,Phaedon,Phaedon cochleariae,nl: Waterkershaantje

Phaedon cochleariae - Larva See with this image:<br />
https://www.jungledragon.com/image/106885/phaedon_cochleariae.html Chrysomelidae,Chrysomelinae,Larva,Phaedon,Phaedon cochleariae,nl: Waterkershaantje

Phaedon cochleariae - Larva See with this image:<br />
https://www.jungledragon.com/image/106885/phaedon_cochleariae.html Chrysomelidae,Chrysomelinae,Larva,Phaedon,Phaedon cochleariae,nl: Waterkershaantje

Phaedon cochleariae - Larvae See with this image:<br />
https://www.jungledragon.com/image/106885/phaedon_cochleariae.html Chrysomelidae,Chrysomelinae,Larvae,Phaedon,Phaedon cochleariae,nl: Waterkershaantje

Phaedon cochleariae - Larvae See with this image:<br />
https://www.jungledragon.com/image/106885/phaedon_cochleariae.html Chrysomelidae,Chrysomelinae,Larvae,Phaedon,Phaedon cochleariae,nl: Waterkershaantje

Phaedon cochleariae - Feeding damage Feeding damage on Horseradish (Armoracia rusticana), caused by the larvae of Phaedon cochleariae<br />
See with this image:<br />
https://www.jungledragon.com/image/106885/phaedon_cochleariae.html Armoracia rusticana,Chrysomelidae,Chrysomelinae,Horseradish,Phaedon,Phaedon cochleariae,feeding damage,nl: Mierik,nl: Waterkershaantje

    comments (5)

  1. Beautiful and detailed series! Posted one month ago
    1. Thanks Lisa - I was a bit swamped at the time, so the series is lacking in really, really detailed ("microscopic") shots, but it's good to have a confirmed series of larvae at all, so happy about that :o) Posted one month ago
  2. The effort paid of big time! Cool project and stunning photos. Posted one month ago
    1. Thanks Ferdy - happy enough with how this one shot of the shiny beetle came out - horrible reflections on most shots. Posted one month ago
      1. Yes, the fun of meeting two opposing goals: lots of light and not reflecting it. Posted one month ago

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''Phaedon cochleariae '' is a species of leaf beetle native to Europe.

Similar species: Beetles
Species identified by Pudding4brains
View Pudding4brains's profile

By Pudding4brains

Public Domain
Uploaded Jan 6, 2021. Captured in Paul Pellastraat 70, 7558 HH Hengelo, Netherlands.