A defensive behavior and plant-insect interaction in Early Cretaceous amber--The case of the immature lacewing Hallucinochrysa diogenesi

Arthropod Structure & Development
Ricardo Pérez-de la FuenteMichael S Engel

Abstract

Amber holds special paleobiological significance due to its ability to preserve direct evidence of biotic interactions and animal behaviors for millions of years. Here we review the finding of Hallucinochrysa diogenesi Pérez-de la Fuente, Delclòs, Peñalver and Engel, 2012, a morphologically atypical larva related to modern green lacewings (Insecta: Neuroptera) that was described in Early Cretaceous amber from the El Soplao outcrop (northern Spain). The fossil larva is preserved with a dense cloud of fern trichomes that corresponds to the trash packet the insect gathered and carried on its back for camouflaging and shielding, similar to that which is done by its extant relatives. This finding supports the prominent role of wildfires in the paleoecosystem and provides direct evidence of both an ancient plant-insect interaction and an early acquisition of a defensive behavior in an insect lineage. Overall, the fossil of H. diogenesi showcases the potential that the amber record offers to reconstruct not only the morphology of fossil arthropods but, more remarkably, their lifestyles and ecological relationships.

References

Sep 5, 2001·The British Journal of Surgery·J McEwen
Oct 11, 2007·Proceedings. Biological Sciences·Rebecca P DuncanGreta J Binford
Mar 25, 2011·Proceedings. Biological Sciences·Ryan C McKellarG Arturo Sánchez-Azofeifa
May 23, 2012·Proceedings of the National Academy of Sciences of the United States of America·Enrique PeñalverCarmen Soriano
Jul 13, 2012·ZooKeys·Ricardo Pérez-de la FuenteMichael S Engel
Aug 29, 2012·Proceedings of the National Academy of Sciences of the United States of America·Alexander R SchmidtDavid A Grimaldi
Dec 14, 2012·Proceedings of the National Academy of Sciences of the United States of America·Ricardo Pérez-de la FuenteMichael S Engel

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Citations

Jan 13, 2018·Annual Review of Entomology·Michael S EngelLaura C V Breitkreuz
Aug 24, 2018·Nature Communications·Davide BadanoPierfilippo Cerretti
Nov 11, 2018·Scientific Reports·Ricardo Pérez-de la FuenteMichael S Engel
May 1, 2018·Current Biology : CB·Xingyue LiuMichael S Engel

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