Variation is the differences between individuals of the same species, caused by genetic and environmental factors. Surveys into variation give data that are continuous, which means to come in a range, ...
ON September 24, some years ago, I collected at Mesilla, New Mexico, four examples of a wild bee of the genus Epeolus, the species being probably identical with Epeolus bardus of Cresson. In every one ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback