HAO Portal

URI: http://purl.obolibrary.org/obo/HAO_0000712

peritreme

A sclerotic ring surrounding the outer spiracular opening.

written by: Evans, H. E. 1987. Chapter 27 Order Hymenoptera. Pp. 597-710 in: Immature Insects, vol. 1 (F. W. Stehr, ed.). Kendal/Hunt,Dubuque, Iowa. 754 pp.

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This HAO portal is a project of the Hymenoptera Anatomy Ontology in conjuction with Morphbank and the International Society of Hymenopterists and was initially funded in part by NSF grants BDI-0446224, EF-0337220, and DEB-0328922. Current funding is from DBI-0850223; ideas and opinions expressed here are those of the authors and not the NSF.