Daily Archives: May 8, 2012

The End of the Butterfly Irruptions?

There have been irruptions–rapid increases in the numbers–of several butterfly species this season. Will irruptions of the natural predators of those butterflies cause a decrease in the numbers?  This is one of those natural predators.  This is a tachnid fly–I … Continue reading

Posted in Biological diversity, diptera, insects | Tagged , , , | 1 Comment