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Aquatic Insects of California
By Robert L. Usinger, Editor
University of California Press, 1956
ISBN: 0-520-01293-3
Cite: 244800
Full text from the Biodiversity Heritage Library.

The complete title of this book is "Aquatic Insects of California---with keys to North American Genera and California Species". So the keys to genera may be useful for BugGuide users far beyond California.

Usinger provides a 45 page introduction to aquatic entomology, the second half of which deals mostly with pest control issues. The remainder of the 508 page book has chapters written by various authors on aquatic Collembola, Ephemeroptera, Odonata, Orthoptera, Plecoptera, Hemiptera, Megaloptera, Neuroptera, Trichoptera, Lepidoptera, Hymenoptera, Coleoptera, and Diptera.

Though obviously dated, this is still a useful reference...in fact, a recent article praises it as "a landmark event and unique collaboration in benthic biology". Moveover, a supporting Essig Museum link provides links to PDF's with updated checklists and bibliographic references. The Essig Museum also has a nice biographical sketch of Robert L. Usinger, the editor and a major contributing author.

For a more detailed and erudite review, from a 1957 volume of the journal Limnology and Oceanography, scroll to the bottom of the first page of this PDF (210 KB).

online copy
http://books.google.com.br/books?id=SXE-_yldYZ4C&pg=PP1&dq=aquatic+insects+of+california+usinger&cd=1#v=onepage&q&f=false

 
Thanks =v=
Here's a clickable link to the online Google Books version. (To accomodate URL cut-and-paste challenged or allergic types :-).

 
:]
i gave this link plain for you to add it to the body description as < a href="0000" target = "_blank">Full text< /a>, mutatis mutandis......

 
Darn...my telepathic powers just ain't what they used to be! :-)
But luckily, as usual, you've got a well-functioning thinking cap =v= ... and I agree that it's a good idea to edit my original post.
[Now done. Though, unless you vehemently object, rather than add the URL you gave for the Portugeuse(?!) language portal to the Google Books page...I've used the English language portal :-)]

Seriously, I'm glad you wrote again, as it also prompted me to search out some other interesting related info.

I'm surprised that the Google Books link apparently provides viewing of the complete text...seems they usually have randomly placed gaps in coverage on books less than a century old (as a compromise on copyright issues?). So in this case "Full Text" is an appropriate link label...though honestly, in general I prefer something more context specific, like "Google Books link" or "PDF". That gives the user a better idea of what they're getting into when they click the link (e.g. perhaps a 12MB PDF download :-)

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