egg case


Definition of egg case

: a protective case enclosing eggs : ootheca

called also egg capsule

Examples of egg case in a Sentence

Recent Examples on the Web

Inspectors observed live roaches in all life cycles and an egg case at a Houston restaurant last week, according to inspection reports from August 19 to August 25. Marcy De Luna, Houston Chronicle, "Roaches, reused food container highlight restaurant violations for August 19 to August 25," 28 Aug. 2019 Regardless of storm duration, intensity and size, groups previously identified as aggressive were more likely to produce egg cases. Meilan Solly, Smithsonian, "Hurricanes Are Making This Spider Species More Aggressive," 20 Aug. 2019 The researchers determined that after a storm passed, the colonies that aggressively pursued food and resources were able to produce more egg cases. Ashley Strickland, CNN, "Hurricanes lead to more aggressive spiders, study says," 19 Aug. 2019 Though adult worms die with the first frost, the egg cases overwinter in soil or organic matter, ready to hatch in spring. Cindy Dampier,, "Jumping worms are the latest invasive species to hit Illinois. In Chicago, they’re basically everywhere.," 14 Aug. 2019 Keep an eye out for roach feces, which look similar to ground coffee or coarse black pepper, and egg cases, which can be hidden in dark spaces or even between books in a bookcase. Natalie Schumann, Country Living, "How To Get Rid of Roaches Before They Become a Major Problem," 18 July 2019 The wasps hatch, devour the roach inside the egg case and escape by drilling a hole out to freedom. Rob Dunn, Discover Magazine, "Our Attempts to Eradicate Insects are Just Making them Resistant to Pesticides," 16 Nov. 2018 The mother wasp taps the egg cases to make sure a roach is inside. Rob Dunn, Discover Magazine, "Our Attempts to Eradicate Insects are Just Making them Resistant to Pesticides," 16 Nov. 2018 The egg case is called the Ootheca, and the number of nymphs (baby cockroaches) per Ootheca varies depending on the type of cockroach. Danielle Tullo, House Beautiful, "What You Need To Know If You Ever See A Roach In Your House," 19 Aug. 2018

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

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First Known Use of egg case

1847, in the meaning defined above

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Dictionary Entries near egg case


egg bread

egg burster

egg case

egg cell

egg cement

egg coal

Statistics for egg case

Last Updated

13 Sep 2019

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Time Traveler for egg case

The first known use of egg case was in 1847

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formidable, illustrious, or eminent

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