We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleInsurance-based advantage to helpers in a tropical hover wasp.AuthorsField J; Shreeves G; Sumner S; Casiraghi MPublicationNature, 2000, Vol 404, Issue 6780, p869ISSN0028-0836Publication typearticleDOI10.1038/35009097