[DOC] [TLE] Bee Basics - US Forest Service - US Department of Agriculture [PAR] yeomen's share of pollination, especially when it comes to native plants. The 
honey bee ... from those of hunters, so they started to change, to evolve to meet 
these requirements ..... There are about 50 species of North American bumble 
bees. [DOC] [TLE] Native Bees of North America - BugGuide.Net [PAR] Nov 26, 2010 ... These resourceful insects promptly managed to escape domestication, forming ... 
The honey bee, remarkable as it is, doesn't know how to pollinate a tomato or an 
.... There are about fifty species of North American bumble bees. ..... 10 comments 
per page, 30 comments per page, 50 comments per page... [DOC] [TLE] status of pollinators in north america - The Xerces Society [PAR] Oct 1, 2006 ... There is direct evidence for decline of some pollinator species in North. America. 
... of a wide range of natural communities in North America. In view of that ... 
these technologies have not been widely adopted, and there is a... [DOC] [TLE] Summary | Status of Pollinators in North America | The National ... [PAR] For most North American pollinator species, long-term population data are 
lacking and knowledge of their basic ecology is incomplete. These information... [DOC] [TLE] 2 Status of Pollinators | Status of Pollinators in North America | The ... [PAR] For most managed and wild pollinator species, however, population trends have 
not ... There are, however, numerous reports of declines of pollinating insects that 
.... for pollination in North America, Apis mellifera and various species of Bombus, 
.... feral hives revealed 75 percent of these colonies no longer existed, and all... [DOC] [TLE] 3 Causes of Pollinator Declines and Potential Threats | Status of ... [PAR] It is difficult to determine whether North American pollinator species are declining
, and no ... It exists there in a stable and sustainable association with A. cerana, ... 
These honey bee losses have occurred despite the industry's heavy reliance on 
..... can replace bee stocks in a good year, a loss of 50 percent or more is typical. [DOC] [TLE] 10 Spectacular Bees Native To The U.S. | Popular Science [PAR] Jun 19, 2013 ... Honeybees aren't native to U.S., but these other amazing bees are. And they 
contribute to pollinating delicious American crops such as pumpkins, ... Droege 
considers honeybees weird because their habits differ from those of ... Only 
native bumblebees, which comprise about 40 species in North America,... [DOC] [TLE] Pollinator Super Heros! [PAR] three 50 minute periods. OPTION 2: ... So, who are these pollinator superheroes? 
Bees. There ... efficient pollinators because their body is designed to carry pollen. 
... Types of bees include bumblebee, honey bee (not native to North America,. [DOC] [TLE] Over 4,000 Reasons to Love (and Protect) North America's Native ... [PAR] Jan 6, 2014 ... This iconic pollinator (along with other closely related species within its genus) 
has been ... Many of the 50 described species of North American bumble bees 
also use this ... Understandably, there is a lot to take in these days. [DOC] [TLE] You're Worrying About the Wrong Bees | WIRED [PAR] Apr 29, 2015 ... It's the other 3999 species of bees in North America we need to worry about. ... is 
a common refrain these days, and it's great to see people interested in the ... 50 
percent of Midwestern native bee species disappeared from their historic ... The 
evidence is clear that many native wild pollinators are declining. [DOC] [TLE] Recognizing Our Native Unstung Heroes | Birds & Beyond [PAR] Mar 21, 2016 ... In fact, there are 4000 different species of native bees1, and they are the ... and 
they are the most important pollinators for North America2. These bees are 
responsible for pollinating 80% of the flowering ... Speaking of bumble bees, 
there are around 50 different species of them in North America (Figure 5). [DOC] [TLE] Pollinator decline - Wikipedia [PAR] The term pollinator decline refers to the reduction in abundance of insect and 
other animal ... There are international initiatives (e.g.

Question: There are about 50 species of these pollinators in North America
Answer: bumblebees