MELONWORM, Diaphania hyalinata (Linnaeus)
Description Picture Damage
  • adult moths have velvety black wing margins with lighter, pearly-white areas
  • larval stages have two dorsal white stripes running the length of the body
  • otherwise, they resemble the pickleworm
  • larvae can grow 1 1/4 inches long
  • Photo credit: Extension Entomology, Department of Entomology, Texas A&M University

  • larvae feed on foliage rather than blossoms before they tunnel into stems and fruits
  • similar to pickleworm
  • most abundant on late squash