scale insect


Definition of scale insect

: any of numerous small prolific homopterous insects (superfamily Coccoidea) that have winged males, wingless scale-covered females attached to the host plant, and young that suck the juices of plants and some of which are serious pests

Examples of scale insect in a Sentence

Recent Examples on the Web The company officially launched in 2019 with successful traction from its first pilot customers and by 2020, Cogastro software was enabling operations in 10 large-scale insect farm productions globally. Jackie Abramian, Forbes, 2 Sep. 2021 Another more persistent and more damaging creature than the cicada is the scale insect, actually a range of scale species that have their own preferences for ornamental woody plants and citrus. Washington Post, 7 July 2021 Control scale by applying dormant or horticultural oil, which coats the calcium cover and eventually suffocates the scale insect within its shell. Calvin Finch,, 26 Dec. 2020 But our findings indicate that overall, the idea of large-scale insect declines remains an open question. Matthew D. Moran, The Conversation, 10 Aug. 2020 That’s sooty mold, a fungus that gets started in the sticky honeydew residue left behind by aphids and scale insects. Neil Sperry,, 16 Jan. 2020 The Azteca ants, in turn, are motivated to protect the scale insects from the beetles, since the former are a source of food for the ants. Jennifer Ouellette, Ars Technica, 2 Jan. 2020 Alas, that plant is no more, having succumbed to scale insects. Real Estate, 25 Dec. 2019 Keep an eye out for an infestation of scale insects. Arricca Elin Sansone, Country Living, 6 Feb. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'scale insect.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of scale insect

1840, in the meaning defined above

Learn More About scale insect

Time Traveler for scale insect

Time Traveler

The first known use of scale insect was in 1840

See more words from the same year

Dictionary Entries Near scale insect

scale house

scale insect

scale leaf

See More Nearby Entries 

Statistics for scale insect

Cite this Entry

“Scale insect.” Dictionary, Merriam-Webster, Accessed 2 Dec. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

More from Merriam-Webster on scale insect Encyclopedia article about scale insect


Test Your Vocabulary

Difficult Spelling Words Quiz

  • alphabet pasta spelling help
  • Which is the correct spelling?
Spell It

Can you spell these 10 commonly misspelled words?

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!