plural noun Al·ey·rod·i·dae \ˌa-lə-ˈrä-də-ˌdē\

Definition of Aleyrodidae

  1. :  a family of minute homopterous insects winged as adults with the body and wings covered with a white powdery wax, the larvae being initially motile but after the first molt resembling unarmored scales and, like these, feeding on plant juices — compare citrus whitefly, greenhouse whitefly

Love words? You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Join MWU now and get access to America’s largest dictionary, with:

  • 300,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Origin and Etymology of aleyrodidae

New Latin Aleyrodes, type genus + -idae

First Known Use: 1840

Seen and Heard

What made you want to look up Aleyrodidae? Please tell us where you read or heard it (including the quote, if possible).


a brief usually trivial fact

Get Word of the Day daily email!