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Hymenoptera Keys











Handbook of the families of Nearctic Chalcidoidea

An online version of the key by Eric E. Grissell and Michael E Schauff to the families of Chalcidoidea. First published in 1990 by the Entomological Society of Washington. Includes a pdf version of the key for download and new photographs added to many of the original illustrations.

Hymenoptera Interactive Keys using INTKEY

Important:  Read this before you begin!

To use the interactive keys you need to download a small program before you begin.
You will be required to restart your computer after installation; before being able to run the keys.

If you already have Intkey installed you may skip these instructions and proceed directly to the key links listed below.

If you do not already have Intkey installed

INTKEY can be obtained here or can be obtained directly from the Delta Programs Page. The entire Delta suite, which allows you to create your own keys, can be obtained here. Instructions for using DELTA to produce your own interactive keys using INTKEY may be found on the Delta Programs Page and K. Seltmann's Thesis on Building Interactive Keys using INTKEY.
If you already have INTKEY installed on your PC The keys will generally begin automatically once you have selected an interactive key by double clicking the link. An introductory image of a representative taxon will appear at the start of a new key. 

Problems with running the keys

  • Only runs on Windows and virtual PC (with limited success).
  • Some versions of Firefox/Netscape will not automatically open the Keys; easiest solution is to switch to another browser.
  • Always open this file from its current location. If this does not open Intkey automatically Do not click "Save this file to disk," this will not download the dataset. If the key does not open properly, you may have too many internet files stored on your computer. Under internet options delete cookies and temporary internet files.

  • Interactive Keys

    Ceraphronoidea Ceraphronoidea Image
    Cynipoidea Cynipoidea Image
    Evanioidea Evanioidea Image
    Platygastroidea Platygastroidea Image
    Proctotrupoidea Proctotrupoidea Image
    Symphyta Symphyta Image
    Chrysidoidea Chrysidoidea Image

    Keys Under Development

    Hymenoptera Superfamily Key


    Please email questions and comments about the Hymenopteran Family Key to Katja Seltmann at