THE caddis flies, or Trichoptera, are
for the most part medium-sized to
small insects resembling moths in general
appearance. Their larvae are aquatic
in habit and caterpillar-like in appearance.
The order Trichoptera contains over 750
species, ranking about seventh among the
insect orders. For Illinois, we have now
recorded 184 species, the largest known list
for any state. It must be remembered, however,
that Illinois does not have the same
wealth of diverse aquatic situations as some
other states, the lists of which will be greatly
increased with intensive collecting.
In 1931, when this project was started,
the only available listing of Illinois species
was contained in Dr. Cornelius Betten's
then unpublished manuscript of the Trichoptera
of New York. In this. Dr. Betten listed
not only published records but also the
results of his own collecting in the vicinity
of Lake Forest, Illinois. This list enumerated
37 species for Illinois. Since that time
we have added 146 species to the list, showing
how poorly the caddis fly fauna of the
entire midwestern and central states was
then known.
Publisher
Champaign : Illinois Natural History Survey,
Series/Report Name or Number
Illinois Natural History Survey Bulletin; v. 023, no. 01
ISSN
0073-4918
Type of Resource
text
Language
en
Permalink
http://hdl.handle.net/2142/44838
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