Image Information
Cantharis
The text says the worm (insect) called cantarides is green and lives at the tops of trees, which these two greenish things may represent.
The image was obtained from the source listed below.
Bibliothèque Municipale de Valenciennes
Manuscript
Bibliothèque Municipale de Valenciennes, MS 320 (Liber de natura rerum), folio 144r
This image may be copyright. For permission to use this image in any form, you must contact the copyright holder, if any.
Possible copyright holder
Medieval Bestiary site copyright information