维基百科
Metellina is a genus of tetragnathid spiders that occurs mostly in Eurasia, with two species found in North America. M. segmentata was introduced to Canada.
Some researchers consider this gen
维基百科
Philodromus is a genus of philodromid crab spiders.
Spiders in this genus are distinctively flattened.
File:Philodromus margaritatus.ogv
Philodromus margaritatus
The more than 250 descri