Explanation of Names
The word was coined in the 19th century as a diminutive of
spinner, which originally meant
spider and was later applied to "person who spins textile thread" (
Online Entomological Dictionary).
Identification
spinneret noun - 1-Structure at or near the tip of a
spider's abdomen which produces silk (there are normally a group of them). 2-structure on the
labium of a
caterpillar which produces silk.
Photos of spider spinnerets:
Photos of spinnerets in caterpillars:
Remarks
Most spiders have spinnerets visible from only from the side or below. Prominent spinnerets visible from above help to identify the Family
Gnaphosidae and the genus
Agelenopsis in the family
Agelenidae.