spotted alfalfa aphid


a pale yellowish aphid, Therioaphis maculata, of the southern U.S., especially west of the Mississippi River, that is marked with black spots and has fine spines on its back: a pest mainly of alfalfa and some other legumes, as clover.

Nearby words

  1. spotlight,
  2. spotlit,
  3. spotsylvania,
  4. spotted,
  5. spotted adder,
  6. spotted cavy,
  7. spotted cowbane,
  8. spotted crake,
  9. spotted crane's-bill,
  10. spotted deer

Origin of spotted alfalfa aphid

First recorded in 1955–60 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019