R a r i t y - A b u n d a n c e

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dear naturalists,

I am wonder if there is any directives or scales how to determine if the species
of insect can be classified as a  :
very common - common - rare - very rare.

Is there any papers about it? Anyone else is interested about this
classification?

Regards

Vratislav Richard Bejsak
Coleoptera - Australia, Tenebrionidae of World
Konevova 1658/110
130 00 Prague 3 Zizkov
CZECH Rep.
voice: (42+2) 270 849
fax  : (41+2) 311 6545
email: 76711,1261 at compuserve.com
(I am from Australia, this address is for one or two years)