puparial opercular seam [FBbt_00004989]

Fine seam of the puparium that appears ventrally to the anterior spiracles. It runs across the front of the puparium, curves posteriorly and extends along the sides. It bends upwards in the fourth segment where the right and left seams meet dorsally.
Tags:

puparial opercular seam

ID: FBbt_00004989

Anatomy

Fine seam of the puparium that appears ventrally to the anterior spiracles. It runs across the front of the puparium, curves posteriorly and extends along the sides. It bends upwards in the fourth segment where the right and left seams meet dorsally.

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## Classification

Relationships