Red spider Meaning, Definition & Usage

  1. noun small web-spinning mite; a serious orchard pest
    red spider mite; Panonychus ulmi.

WordNet


Definitions
  1. (Zoöl.), a very small web-spinning mite (Tetranychus telarius) which infests, and often destroys, plants of various kinds, especially those cultivated in houses and conservatories. It feeds mostly on the under side of the leaves, and causes them to turn yellow and die. The adult insects are usually pale red. Called also red mite.

Webster 1913