1978 Volume 29 Issue 2 Pages 155-161
Atylotus hasegawai, a new species, was described on the basis of adult and larval materials collected from Tohoku Province of Honshu Island, Japan. This species is quite allied to A. horvathi (Szilady) and A. bivittateinus Takahasi. Although it is very difficult to distinguish these three allied species by a single morphological character, the bilogy of the present species is quite different from the other two. Main morphological differences among them are discussed in this paper.