Notice of the habits of a cynipideous insect parasitic upon the rose louse (Aphis rosae); with descriptions of several other parasitic Hymenoptera. Author Westwood, John Obadiah text Magazine of Natural History and Journal of Zoology, Botany, Mineralogy, Geology and Meteorology 1833 6 491 497 journal article 5FFA21AC8C234BA19A1D68701ADFCA0C 5FFA21AC8C234BA19A1D68701ADFCA0C Derostenus gemmeus , new species This treatment is a stub. You can help Plazi making the full treatment available.