ichneumon fly

Definitions of ichneumon fly
  1. noun
    hymenopterous insect that resembles a wasp and whose larvae are parasitic on caterpillars and other insect larvae
    see moresee less
    type of:
    hymenopter, hymenopteran, hymenopteron, hymenopterous insect
    insects having two pairs of membranous wings and an ovipositor specialized for stinging or piercing
Word Family
EDITOR’S CHOICE

Test prep from the experts

Boost your test score with programs developed by Vocabulary.com’s experts.

  • Proven methods: Learn faster, remember longer with our scientific approach.
  • Personalized plan: We customize your experience to maximize your learning.
  • Strategic studying: Focus on the words that are most crucial for success.

SAT/PSAT

$29.95
  • Number of words: 500+
  • Duration: 8 weeks or less
  • Time: 1 hour / week

TOEFL

$29.95
  • Number of words: 500+
  • Duration: 10 weeks or less
  • Time: 1 hour / week

ACT

$29.95
  • Number of words: 700+
  • Duration: 10 weeks
  • Time: 1 hour / week