Propodeum

The propodeum or propodium is the first abdominal segment in Apocrita Hymenoptera (wasps, bees and ants). It is fused with the thorax to form the mesosoma. It is a single large sclerite, not subdivided, and bears a pair of spiracles. It is strongly constricted posteriorly to form the articulation of the petiole, and gives apocritans their distinctive shape.

In molluscs

Propodium is the anterior (frontal) part of the foot of a mollusk.

gollark: You didn't come up with a good way to measure the results, user.

gollark: Yes.

gollark: > nah it's gotta be one week if this is science???

gollark: It's not good science if you don't come up with the test you want to run BEFORE DOING IT.

gollark: That would be affected by *tons* of other stuff.

References

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