Increased segmentation of habitat, combined with further development and increased agriculture are habitat loss. It's important to remember that a place where insects feed may not be the place they breed. Buckthorn, for example, can make ephemeral spring ponds toxic for embryos of pretty much any life form. That pond now is no longer habitat, even though it still exists. Similar effects are seen with pesticide and other runoff factors.
Suburban areas may be OK for some bee species, but inhospitable to others. Without host plants many species of insects simply can't reproduce, so invasives are literally killing the insects we grew up with.
This is an important way of thinking about restoration and preservation:
http://prairieecologist.com/2017/10/31/a-hopeful-metaphor-for-prairie-managers/
Last edited by TER-OR; 10-31-2017 at 02:00 PM.
Reason: added