Definition of phytoseiid in US English:

phytoseiid

adjective

Zoology
  • Designating an arachnid of the family Phytoseiidae, comprising small mites which are wholly or largely predatory.

noun

Zoology
  • A phytoseiid mite.

Origin

1950s; earliest use found in Canadian Entomologist. From scientific Latin Phytoseius, genus name + -id, after scientific Latin Phytoseiidae, family name.

Pronunciation

phytoseiid

/ˈfʌɪtəseɪɪd/