a. and sb. Zool. [f. aphid- stem of mod.L. APHIS + -IAN.]

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  A.  adj. Of or pertaining to aphides.

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1843.  Owen, Lect. Comp. Anat. Invertebr., 234. Phenomena essentially analogous to those of Aphidian generation.

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  B.  sb. An aphidian insect; one of the aphides.

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