A leafcutter bee trace fossil from the middle eocene of patagonia, Argentina, and a review of Megachilid (Hymenoptera) ichnology

dc.creatorSarzetti, Laura Cristina
dc.creatorLabandeira, Conrad C.
dc.creatorGenise, Jorge Fernando
dc.date.accessioned2020-03-25T13:22:39Z
dc.date.accessioned2022-10-15T07:39:54Z
dc.date.available2020-03-25T13:22:39Z
dc.date.available2022-10-15T07:39:54Z
dc.date.created2020-03-25T13:22:39Z
dc.date.issued2008-07
dc.identifierSarzetti, Laura Cristina; Labandeira, Conrad C.; Genise, Jorge Fernando; A leafcutter bee trace fossil from the middle eocene of patagonia, Argentina, and a review of Megachilid (Hymenoptera) ichnology; Wiley Blackwell Publishing, Inc; Palaeontology; 51; 4; 7-2008; 933-941
dc.identifier0031-0239
dc.identifierhttp://hdl.handle.net/11336/100644
dc.identifierCONICET Digital
dc.identifierCONICET
dc.identifier.urihttps://repositorioslatinoamericanos.uchile.cl/handle/2250/4361442
dc.description.abstractThe ichnospecies Phagophytichnus pseudocircus isp. nov. is described to include trace fossils characterized by leaf-margin excisions showing eccentricity values of 0.35-0.65 and more than 270 degrees of an arc, a non cuspate margin and vein stringers or necrotic flaps of tissue along the margin. A method for determining ellipse eccentricity was performed on leaf discs obtained from the nests of the modern leafcutter bee Megachile rotundata (Hymenoptera: Megachilidae), which provided objectively obtained values comparable to the trace fossil from the middle Eocene of Argentina and other world-wide ichnological records, historically and subjectively considered to be 'circular' trace fossils and attributed to leafcutter bees. The material described herein represents the first evidence for fossil Megachilidae from the Southern Hemisphere.
dc.languageeng
dc.publisherWiley Blackwell Publishing, Inc
dc.relationinfo:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1111/j.1475-4983.2008.00787.x
dc.relationinfo:eu-repo/semantics/altIdentifier/url/https://onlinelibrary.wiley.com/doi/full/10.1111/j.1475-4983.2008.00787.x
dc.rightshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.rightsinfo:eu-repo/semantics/restrictedAccess
dc.subjectARGENTINA
dc.subjectLEAFCUTTER BEE
dc.subjectPATAGONIA
dc.subjectPLANT-INSECT ASSOCIATIONS
dc.subjectRÍO PICHILEUFÚ FLORA
dc.subjectTRACE FOSSIL
dc.titleA leafcutter bee trace fossil from the middle eocene of patagonia, Argentina, and a review of Megachilid (Hymenoptera) ichnology
dc.typeinfo:eu-repo/semantics/article
dc.typeinfo:ar-repo/semantics/artículo
dc.typeinfo:eu-repo/semantics/publishedVersion


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