Three new species of ChrysopidaePublished in Proceedings of the Entomological Society of Washington, in 1897, in volume 4, pages 173-175A new species of RoptroniaPublished in Proceedings of The Entomological Society of Washington, in 1897, in volume 4, pages 132-133
A new species of RoptroniaPublished in Proceedings of The Entomological Society of Washington, in 1897, in volume 4, pages 132-133