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Psyche
Volume 2015 (2015), Article ID 875738, 19 pages
http://dx.doi.org/10.1155/2015/875738
Research Article

Pimachrysa (Neuroptera: Chrysopidae: Nothochrysinae): Larval Description and Support for Generic Relationships

1Department of Entomology, Comstock Hall, Cornell University, Ithaca, NY 14853-2601, USA
2Department of Entomology & Nematology, University of California, Davis, CA 95616, USA
3Forensic Entomology Services, 2321 Gladwick Street, Rancho Dominguez, CA 90220, USA
4Entomology Department, San Diego Natural History Museum, 1788 El Prado, San Diego, CA 92101, USA

Received 21 June 2015; Accepted 4 October 2015

Academic Editor: G. Wilson Fernandes

Copyright © 2015 Catherine A. Tauber and David K. Faulkner. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

We describe the previously unknown larval characteristics of Pimachrysa (second and third instars), and we provide new comparative data on the Nothochrysa californica Banks larvae that were described earlier. The Pimachrysa larvae (identified as Pimachrysa fusca Adams) express the numerous features that characterize the chrysopid subfamily Nothochrysinae. They resemble Hypochrysa larvae in many respects, but several differences support retaining the two genera as separate. It now appears that the reputedly more archaic, small bodied, nothochrysine genera (e.g., Dictyochrysa, Hypochrysa, and Pimachrysa) have naked larvae that differ distinctly from the larvae of Nothochrysa species, all of which are debris-carriers. In addition, the pattern of variability in Nothochrysa larval features supports the proposal that this genus has a closer relationship with the other chrysopid subfamilies than do the small-bodied nothochrysine genera. The findings are consistent with the hypothesis that larval nakedness (as opposed to debris-carrying) was the ancestral life style for the extant chrysopid clade.