posterior spiracular gland [FBbt_00000435]

Spiracular gland of the posterior spiracle. It is a single, elongated and club-shaped cell with a polytene nucleus. It has an efferent duct leading to a very small opening in the spiracular plate near the outer edge of the spiracular opening. There are three of these glands per spiracle.

posterior spiracular gland

ID: FBbt_00000435

Anatomy Larva

Spiracular gland of the posterior spiracle. It is a single, elongated and club-shaped cell with a polytene nucleus. It has an efferent duct leading to a very small opening in the spiracular plate near the outer edge of the spiracular opening. There are three of these glands per spiracle.

The third duct (and spiracular opening) is absent in first instar larva (Whitten, 1980).

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Classification

Relationships

Parts of posterior spiracular gland (2 total)

Thumbnail Name Tags
posterior spiracular duct Anatomy, Larva
posterior spiracular gland ductule Anatomy, Larva

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