1. Surface ultrastructureof the egg chorion in the dragonfly Ictiogomphus rapax (Rambur) (Odonata: Gomphidae);Andrew;International Journal of Insect Morphology and Embryology,1992
2. Two interesting new species of Isoperla from Northern California (Plecoptera: Perlodidae);Baumann;Illiesia,2009
3. Oogenesis in the bird louse Eomenacanthus stramineus (Insecta, Mallophaga). I. General description and structure of the egg capsule;Biliński;Zoologische Jahrbuecher Abteilung Fuer Anatomie Und Ontogenie Der Tiere,1987
4. DeWalt , R. E. Neu-Becker , U. Steuber , G. 2011 http://Plecoptera.SpeciesFile.org
5. Ephemeroptera egg chorion characters: a test of their importance in assessing phylogenetic relationships;Domínguez;Journal of Morphology,2002