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Odonatan endophytic oviposition from the Eocene of Patagonia: The ichnogenus <I>Paleoovoidius</I> and implications for dragonfly behavioral stasis

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dc.contributor.author Sarzetti, Laura C. en
dc.contributor.author Labandeira, Conrad C. en
dc.contributor.author Muzón, Javier en
dc.contributor.author Wilf, Peter en
dc.contributor.author Cúneo, N. Ruben en
dc.contributor.author Johnson, Kirk R. en
dc.contributor.author Genise, Jorge F. en
dc.date.accessioned 2012-07-05T17:24:29Z
dc.date.available 2012-07-05T17:24:29Z
dc.date.issued 2009
dc.identifier.citation Sarzetti, Laura C., Labandeira, Conrad C., Muzón, Javier, Wilf, Peter, Cúneo, N. Ruben, Johnson, Kirk R., and Genise, Jorge F. 2009. "<a href="https://repository.si.edu/handle/10088/18586">Odonatan endophytic oviposition from the Eocene of Patagonia: The ichnogenus Paleoovoidius and implications for dragonfly behavioral stasis</a>." <em>Journal of Paleontology</em>. 83 (3):431&ndash;447. <a href="https://doi.org/10.1666/08-121.1">https://doi.org/10.1666/08-121.1</a> en
dc.identifier.issn 0022-3360
dc.identifier.uri http://hdl.handle.net/10088/18586
dc.description.abstract We document evidence of endophytic oviposition on fossil compression/impression leaves from the early Eocene Laguna del Hunco and middle Eocene Rio Pichileufu floras of Patagonia, Argentina. Based on distinctive morphologies and damage patterns of elongate, ovoid, lens-, or teardrop-shaped scars in the leaves, we assign this insect damage to the ichnogenus Paleoovoidus, consisting of an existing ichnospecies, P. rectus, and two new ichnospecies, P. arcuatum and P. bifurcatus. In P. rectus, the scars are characteristically arranged in linear rows along the midvein; in P. bifurcatus, scars are distributed in double rows along the midvein and parallel to secondary veins; and in P. arcuatum, scars are deployed in rectilinear and arcuate rows. In some cases, the narrow, angulate end of individual scars bear a darkened region encompassing a circular hole or similar feature indicating ovipositor tissue penetration. A comparison to the structure and surface pattern of modern ovipositional damage on dicotyledonous leaves suggests considerable similarity to certain zygopteran Odonata. Specifically, members of the Lestidae probably produced P. rectus and P. bifurcatus, whereas species of Coenagrionidae were responsible for P. arcuatum. Both Patagonian localities represent an elevated diversity of potential fern, gymnosperm, and especially angiosperm hosts, the targets of all observed oviposition. However, we did not detect targeting of particular plant families. Our results indicate behavioral stasis for the three ovipositional patterns for at least 50 million years. Nevertheless, synonymy of these oviposition patterns with mid-Mesozoic ichnospecies indicates older origins for these distinctive modes of oviposition. en
dc.relation.ispartof Journal of Paleontology en
dc.title Odonatan endophytic oviposition from the Eocene of Patagonia: The ichnogenus <I>Paleoovoidius</I> and implications for dragonfly behavioral stasis en
dc.type Journal Article en
dc.identifier.srbnumber 78386
dc.identifier.doi 10.1666/08-121.1
rft.jtitle Journal of Paleontology
rft.volume 83
rft.issue 3
rft.spage 431
rft.epage 447
dc.description.SIUnit NMNH en
dc.description.SIUnit NH-Paleobiology en
dc.citation.spage 431
dc.citation.epage 447

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