provided by Catalog of Hymenoptera in America North of Mexico
A Holarctic genus composed of two species, only one of which is found in North America. The host range is not clearly defined but it is possibly restricted to the subfamily Aphidinae.
- bibliographic citation
- Catalog of Hymenoptera in America North of Mexico. 1979. Prepared cooperatively by specialists on the various groups of Hymenoptera under the direction of Karl V. Krombein and Paul D. Hurd, Jr., Smithsonian Institution, and David R. Smith and B. D. Burks, Systematic Entomology Laboratory, Insect Identification and Beneficial Insect Introduction Institute. Science and Education Administration, United States Department of Agriculture.