chrysanthemum gall midge

noun

variants or chrysanthemum midge or less commonly chrysanthemum gall fly
: a small orange fly (Diarthronomyia chrysanthemi) forming galls on the flowers and leaves of chrysanthemums especially in greenhouses

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“Chrysanthemum gall midge.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/chrysanthemum%20gall%20midge. Accessed 23 Nov. 2024.

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