willow sawfly

noun

Definition of willow sawfly

: any of numerous sawflies that infest the willow: such as
a : a large American sawfly (Cimbex americana) whose larva is pale greenish with a black dorsal stripe
b : a steel-blue sawfly (Dolerus arvensis) or a related smaller brownish fly (D. bicolor)
c : a black sawfly (Nematus ventralis) whose yellow-spotted blackish larva infests also the wild cherry

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Learn More About willow sawfly

Dictionary Entries Near willow sawfly

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Cite this Entry

“Willow sawfly.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/willow%20sawfly. Accessed 20 Sep. 2021.

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