Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleSeasonal variation in body size and offspring sex ratio in field populations of the parasite wasp, Aphidius ervi (Hymenoptera: Aphidiidae)AuthorsSequeira, R.; Mackauer, M.SubjectsBODY size; ECONOMIC seasonal variations; WASPSPublicationOikos, 1993, Vol 68, Issue 2, p340ISSN0030-1299Publication typeArticleDOI10.2307/3544848