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Immature stages of a wasp, Oomyzus gallerucae, a parasite of eggs of elm leaf beetle, Xanthogaleruca luteola. An egg (bottom left), first instar (top left), and last instar.

Figure, line art illustrations. Immature stages of a wasp, a parasite of eggs of elm leaf beetle. An egg (bottom left), first instar (top left), and last instar. Credit: F. Silvestri 1910. Bollettino del Laboratorio di Zoologia Generale e Agraria Della Facolt Agraria in Portici. 4:246-288<br />Licensed under a <a href='https://creativecommons.org/licenses/by-nc/3.0/us/'>Creative Commons Attribution-Noncommercial 3.0 License</a>
Credit: F. Silvestri 1910. Bollettino del Laboratorio di Zoologia Generale e Agraria Della Facolt Agraria in Portici. 4:246-288
Licensed under a Creative Commons Attribution-Noncommercial 3.0 License
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