A while ago, I asked Insectnet members if something was published on the
structure and function of Sphinginae pupae's maxillary loops (aka "jug handle”). There was no reply. I contacted a few specialists in this area. One of them replied: "If you would look inside, you will see that the galeae extend from the head into the loop, then the galeae bend sharply back and turn back to the head of the pupae. On the pupae, you can see the distal part of the developing galeae in the midline of the pupae between the developing wings." I spent some time trying to find something illustrating this observation and finally found this amazing photograph by M. Albrecht (from Danner et al., “Die Schwarmer der westlichen Palearktis,” Herbipoliana, Band 4/2, 1998, Plate 46).
"Proboscis case" in Sphingidae pupae (continuation)
- wollastoni
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Re: "Proboscis case" in Sphingidae pupae (continuation)
Wonderful ! Thank you for sharing.
Re: "Proboscis case" in Sphingidae pupae (continuation)
The photo was taken from the pupa of Agrius convolvuli.
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