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Hypera rumicis - Cocoons with pupae inside Here are some of the beetles that emerged:<br />
<figure class="photo"><a href="https://www.jungledragon.com/image/71585/hypera_rumicis_-_imagos_from_cocoons.html" title="Hypera rumicis - Imagos from cocoons"><img src="https://s3.amazonaws.com/media.jungledragon.com/images/3043/71585_thumb.jpg?AWSAccessKeyId=05GMT0V3GWVNE7GGM1R2&Expires=1574899210&Signature=r5NN14moxVN9cY75gXARfps%2FzbA%3D" width="200" height="150" alt="Hypera rumicis - Imagos from cocoons In 2008 I took in some cocoons of Hypera rumicis and let the beetles mature at home to document this part of the development:<br />
https://www.jungledragon.com/image/71587/hypera_rumicis_-_cocoons_with_pupae_inside.html<br />
https://www.jungledragon.com/image/71588/hypera_rumicis_-_teneral_beetle_still_in_cocoon.html<br />
https://www.jungledragon.com/image/71586/hypera_rumicis_-_pupa_and_teneral_beetle.html<br />
 Curculionidae,Hypera,Hypera rumicis,Hyperinae,rumicis" /></a></figure><br />
The weevils in the the subfamily Hyperinae are untypical for weevils in their development as the larvae are free living on the host plant&#039;s surface, much like most butterfly caterpillars. Most weevils develop underground or internally in the plant. The larvae also look a little bit like caterpillars. When these are ready to pupate they will create a cocoon made of secretions and pupate inside of it. The cocoons can be quite different in appearance and substance between species.<br />
For example, here is the cocoon rest of Hypera arator:<br />
<figure class="photo"><a href="https://www.jungledragon.com/image/71599/hypera_arator_-_cocoon.html" title="Hypera arator - Cocoon"><img src="https://s3.amazonaws.com/media.jungledragon.com/images/3043/71599_thumb.jpg?AWSAccessKeyId=05GMT0V3GWVNE7GGM1R2&Expires=1574899210&Signature=gyton6sn%2FCRbm0HCDMg8ZUje4gE%3D" width="200" height="150" alt="Hypera arator - Cocoon In 2011 I found this cocoon (just over the border in Germany( and took it home to see what would emerge (I had _no_ idea) ... turns out the cocoon of Hypera arator is very different from the cocoons of Hypera rumicis that I was already familiar with:<br />
https://www.jungledragon.com/image/71587/hypera_rumicis_-_cocoons_with_pupae_inside.html<br />
<br />
The weevils in the the subfamily Hyperinae are untypical for weevils in their development as the larvae are free living on the host plant&#039;s surface, much like most butterfly caterpillars. Most weevils develop underground or internally in the plant. The larvae also look a little bit like caterpillars. When these are ready to pupate they will create a cocoon made of secretions and pupate inside of it. The cocoons can be quite different in appearance and substance between species.<br />
Here is the rest of this series for Hypera arator:<br />
https://www.jungledragon.com/image/71601/hypera_arator_-_cocoon.html<br />
https://www.jungledragon.com/image/71602/hypera_arator_in_cocoon.html<br />
https://www.jungledragon.com/image/71603/hypera_arator_-_emerged.html<br />
https://www.jungledragon.com/image/71596/hypera_arator_from_cocoon.html<br />
https://www.jungledragon.com/image/71600/hypera_arator_-_detail_of_head.html<br />
https://www.jungledragon.com/image/71597/hypera_arator_-_dorsal.html<br />
https://www.jungledragon.com/image/71598/hypera_arator_-_lateral.html<br />
<br />
 Cocoon,Curculionidae,Hypera,Hypera arator,Hyperinae,Weevil" /></a></figure> Cocoon,Curculionidae,Hypera,Hypera rumicis,Hyperinae,Pupae,rumicis Click/tap to enlarge Promoted

Hypera rumicis - Cocoons with pupae inside

Here are some of the beetles that emerged:

Hypera rumicis - Imagos from cocoons In 2008 I took in some cocoons of Hypera rumicis and let the beetles mature at home to document this part of the development:<br />
https://www.jungledragon.com/image/71587/hypera_rumicis_-_cocoons_with_pupae_inside.html<br />
https://www.jungledragon.com/image/71588/hypera_rumicis_-_teneral_beetle_still_in_cocoon.html<br />
https://www.jungledragon.com/image/71586/hypera_rumicis_-_pupa_and_teneral_beetle.html<br />
 Curculionidae,Hypera,Hypera rumicis,Hyperinae,rumicis

The weevils in the the subfamily Hyperinae are untypical for weevils in their development as the larvae are free living on the host plant's surface, much like most butterfly caterpillars. Most weevils develop underground or internally in the plant. The larvae also look a little bit like caterpillars. When these are ready to pupate they will create a cocoon made of secretions and pupate inside of it. The cocoons can be quite different in appearance and substance between species.
For example, here is the cocoon rest of Hypera arator:
Hypera arator - Cocoon In 2011 I found this cocoon (just over the border in Germany( and took it home to see what would emerge (I had _no_ idea) ... turns out the cocoon of Hypera arator is very different from the cocoons of Hypera rumicis that I was already familiar with:<br />
https://www.jungledragon.com/image/71587/hypera_rumicis_-_cocoons_with_pupae_inside.html<br />
<br />
The weevils in the the subfamily Hyperinae are untypical for weevils in their development as the larvae are free living on the host plant's surface, much like most butterfly caterpillars. Most weevils develop underground or internally in the plant. The larvae also look a little bit like caterpillars. When these are ready to pupate they will create a cocoon made of secretions and pupate inside of it. The cocoons can be quite different in appearance and substance between species.<br />
Here is the rest of this series for Hypera arator:<br />
https://www.jungledragon.com/image/71601/hypera_arator_-_cocoon.html<br />
https://www.jungledragon.com/image/71602/hypera_arator_in_cocoon.html<br />
https://www.jungledragon.com/image/71603/hypera_arator_-_emerged.html<br />
https://www.jungledragon.com/image/71596/hypera_arator_from_cocoon.html<br />
https://www.jungledragon.com/image/71600/hypera_arator_-_detail_of_head.html<br />
https://www.jungledragon.com/image/71597/hypera_arator_-_dorsal.html<br />
https://www.jungledragon.com/image/71598/hypera_arator_-_lateral.html<br />
<br />
 Cocoon,Curculionidae,Hypera,Hypera arator,Hyperinae,Weevil

    comments (1)

  1. They look like made of gold, amazing! Posted 9 months ago

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Hypera rumicis is a species of true weevil in the family of beetles known as Curculionidae.

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

By Pudding4brains

Public Domain
Uploaded Dec 24, 2018.