Establishment in the United States of Tetrastichus julis, a Larval Parasite of the Cereal Leaf Beetle12

Abstract

The cereal leaf beetle, Oulema melanopus (L.), a Eurasian pest of small grains, was first identified in 1962 from specimens collected in Berrien Co., Mich., although damage had been observed as early as 1959 (Castro et al. 1965).