a. Zool. [f. as prec. + L. -vor-us devouring + -OUS.] Devouring or feeding on aphides; like the common lady-bird.
1828. Kirby & Spence, Entomol., IV. xliv. 228. One of the aphidivorous flies.
1833. Griffith, Cuvier, XV. 760. The larva of the syrphi, or aphidivorous worms.