achaetous

achaetous

[ə′kēd·əs]
(invertebrate zoology)
Without setae. Also known as asetigerous.
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References in periodicals archive ?
The mouth segment is long and achaetous but with two strong fluted and grooved palps in the joint with the 1st setiger.
The buccal segment is long and achaetous but with two strong fluted palps in the joint with the first setiger.