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Parasitoid wasp from Cionus tuberculosus cocoon Note the difference in opening between this cocoon/exuviae and a healthy one:<br />
<figure class="photo"><a href="https://www.jungledragon.com/image/71567/cionus_tuberculosus_-_exuviae.html" title="Cionus tuberculosus - Exuviae"><img src="https://s3.amazonaws.com/media.jungledragon.com/images/3043/71567_thumb.jpg?AWSAccessKeyId=05GMT0V3GWVNE7GGM1R2&Expires=1571270410&Signature=XYF3TPS%2FMXe1I9GRsgUiUULAdVA%3D" width="200" height="114" alt="Cionus tuberculosus - Exuviae Tipical exit opening of a healthy cocoon of this species. Note the opening round and very far toward the widest section of the cocoon. The &quot;lid&quot; sometimes gets chewed off completely and drops away, but compare with the opening in this cocoon, made by the parasitoid wasp:<br />
https://www.jungledragon.com/image/71565/parasitoid_wasp_from_cionus_tuberculosus_cocoon.html Cionini,Cionus,Cionus tuberculosus,Cocoon,Curculionidae,Curculioninae,Exuviae,Weevil" /></a></figure><br />
 Cionini,Cionus,Cionus tuberculosus,Cocoon,Curculionidae,Curculioninae,Exuviae,Parasitoid wasp,Weevil Click/tap to enlarge

Parasitoid wasp from Cionus tuberculosus cocoon

Note the difference in opening between this cocoon/exuviae and a healthy one:

Cionus tuberculosus - Exuviae Tipical exit opening of a healthy cocoon of this species. Note the opening round and very far toward the widest section of the cocoon. The "lid" sometimes gets chewed off completely and drops away, but compare with the opening in this cocoon, made by the parasitoid wasp:<br />
https://www.jungledragon.com/image/71565/parasitoid_wasp_from_cionus_tuberculosus_cocoon.html Cionini,Cionus,Cionus tuberculosus,Cocoon,Curculionidae,Curculioninae,Exuviae,Weevil

    comments (2)

  1. So fascinating! Posted 8 months ago
    1. The way the cocoon, pupa or eggs open is very often indicative of either a parasitoid emerging or a normal eclosure Posted 8 months ago

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Cionus tuberculosus is one of the small species of weevils in the tribe Cionini that have free living larvae on the plant's surface which are covered in slime for protection and create little cocoons of larval secretion.

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

By Pudding4brains

Public Domain
Uploaded Dec 24, 2018.