Mature larvae of Tetrastichus erynniae, a secondary parasite dissected from the pupa of Erynniopsis antennata, a primary parasite of elm leaf beetle, Xanthogaleruca luteola.
Mature larvae of Tetrastichus erynniae, a secondary parasite dissected from the pupa of Erynniopsis antennata, a primary parasite of elm leaf beetle, Xanthogaleruca luteola. Credit: Jack Kelly Clark
