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Terrestrial Mollusc Tool

The Terrestrial Mollusc Tool was specifically designed to assist in the identification of adult terrestrial slugs and snails of agricultural importance. The tool also includes species of quarantine significance as well as invasive and contaminant mollusc species commonly intercepted at U.S. ports of entry. This Lucid-based identification tool specifically targets federal, state and other agencies or organizations within the U.S. that are concerned with the detection and identification of molluscs of significance. This tool includes 33 families and 128 species. This resource also includes an interactive identification key, comparison chart, fact sheets, biological and ecological notes, a dissection tutorial, a glossary of commonly used terms, and a list of useful links and references. It should be noted that this dynamic tool is not inclusive of all mollusc pests, as new species of interest arise almost daily.

Posted By: Matthew Trice Last Updated: Sep 14, 2011 Views: 6046
Key Author(s): Jodi White Key Version: v1.0
Families of Parasitiformes in soil

A key to adult females of 43 families and 3 superfamilies of soil-inhabiting parasitiform mites for the known Australian soil fauna.

Posted By: Site Admin Last Updated: Jun 1, 2011 Views: 8652
Key Author(s): David E. Walter Key Publisher: The University of Queensland Key Version: v1.0
Soil Microarthropods

This is a key to the major lineages (Classes and Orders) of soil-inhabiting microarthropods. For our purposes this means that arthropods < 1 cm in length as adults are included.

Posted By: Site Admin Last Updated: Jun 1, 2011 Views: 12727
Key Author(s): David Walter and Heather Proctor Key Publisher: The University of Queensland Key Version: v1.0
An interactive identification tool to identify the genera of Tetranychinae of most interest to quarantine

This key allows identification of the genera of Tetranychinae of most interest to quarantine.

Posted By: Site Admin Last Updated: May 13, 2011 Views: 8932
Key Author(s): Dr David Evans Walter Key Version: 1.0
An interactive identification tool to identify adult females of Stratiolaelaps

This is a key to adult females of described species of Stratiolaelaps compiled by Dr David Evans Walter of Colorado State University and the University of Alberta.

Posted By: Site Admin Last Updated: May 13, 2011 Views: 9880
Key Author(s): Dr David Evans Walter Key Version: 1.0
Interactive identification tool to identify the plant-parasitic mites (Acari) of most interest to quarantine

This key allows separation of the plant-parasitic mite families of most interest to quarantine.

Posted By: Site Admin Last Updated: May 13, 2011 Views: 20249
Key Author(s): Dr David Evans Walter Key Version: 1.0
Key to Species of Phytoseiulus (females)

An interactive identification tool to identify adult females of Phytoseiulus

Posted By: Site Admin Last Updated: May 13, 2011 Views: 4772
Key Author(s): Dr David Evans Walter Key Version: 1.0
Mesostigmata (Monogynaspida) in Quarantine

This is a key to mesostigmatic mites likely to be found in quarantine intercepts compiled by Dr David Evans Walter of Colorado State University and the University of Alberta (dew@ualberta.ca).

About one-quarter of all mite species belong to the Mesostigmata, including many economically important pests (e.g. varroa mite of bees, fowl mites, rat mites) and even more economically useful biocontrol agents (especially in the families Phytoseiidae, Laelapidae and Macrochelidae).  Because of their pervasiveness, mesostigmatans are commonly found in quarantine inspections, but primarily because few are plant parasites, there are few taxonomic specialists to help in their identification.  This key is designed to support the identification of members of the largest suborder of Mesostigmata, the Monogynaspida (See the key Major Mite Taxa to identify Mesostigmata to suborder).  Monogynaspids are the mesostigmatans most likely to be found in a quarantine intercept and the Monogynaspida contains all of the economically important species.

Posted By: Site Admin Last Updated: May 13, 2011 Views: 4745
Key Author(s): Dr David Evans Walter Key Version: 1.0
Key to Major Mite Taxa

This key allows identification of the acarine orders Opilioacarida, Holothyrida, and Ixodida.  Additionally keyed are: all 3 suborders of Mesostigmata (Sejida, Trigynaspida, Monogynaspida); the sarcoptiform suborder Endeostigmata; 4 supercohorts, 3 cohorts, and one specialized dispersal stage (the astigmatan hypopus) of Oribatida (including the brachypyline oribatid mites and the former suborder Astigmata); the trombidiform suborder Sphaerolichida; and 3 supercohorts and 2 cohorts of Prostigmata.

Posted By: Site Admin Last Updated: May 13, 2011 Views: 4935
Key Author(s): Dr David Evans Walter Key Version: 1.0
Is it a Mite?

Mites are so small, morphologically diverse, and often bizarrely modified, that even specialists occasionally made an incorrect first diagnosis.  There is even a case in the literature of a mite having been misdescribed as a new species of spider.  

This key is provided in the hopes that if a suspicious looking tiny arthropod is encountered in an inspection, it can quickly be determined if it is a mite.  A second, objective of this key is to begin introducing and explaining the terminology that will be used in my other mites keys.  Terms are explained in the character state notes and images and in a separate glossary. 

Posted By: Site Admin Last Updated: May 13, 2011 Views: 4724
Key Author(s): Dr David Evans Walter Key Version: 1.0
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