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. Author manuscript; available in PMC: 2008 May 18.
Published in final edited form as: Microsc Res Tech. 2001 Dec 1;55(5):307–329. doi: 10.1002/jemt.1180

TABLE 1.

Types of sensilla on the ventral, dorsal, and leading surfaces on the antennal flagellum of female Manduca sexta

Sensillum name Sensillum type Sensillum shape Sensillum length (μm) Number and shape of sensory cells Number of sheath cells Wall type Possible function
Type-A trichoid Multiporous Hair 34 2; unbranched 3 Single-walled Olfactory
Type-B trichoid Multiporous Hair 26 1, 3; unbranched 3 Single-walled Olfactory
Type-A basiconic Multiporous Peg 22 3; branched 3 Single-walled Olfactory
Type-B basiconic Multiporous Peg 15 3; branched 3 Single-walled Olfactory
Auriculate Multiporous Ear/Spoon 4-5 2; branched 3 Single-walled Olfactory
Type-A coeloconic Multiporous Peg in pit 3.8 5; branched 3 Double-walled Olfactory/olfactory-thermosensory
Type-B coeloconic Aporous Peg in pit * 3; two unbranched, one lamellate 3 Single-walled Thermo-hygrosensory
Styliform complex Aporous Peg 38-40 3 per individual sensillum (two unbranched, one lamellate) 3 per individual sensillum Single-walled Thermo-hygrosensory
*

Not measured.

Modified from Shields and Hildebrand (1999a, b) with permission from NRC Research Press.