Editing Gerridae (section)

===Antennae===
[[File:Gerris by webrunner.JPG|thumb|Waterstrider in the genus ''[[Gerris]]'']] 
Water striders have two antennae with four segments on each. Antennal segments are numbered from closest to the head to farthest. The antennae have short, stiff bristles in segment III.<ref name="Merrit">{{cite book|author1=Merrit, R.  |author2=Cummins, K. |year=1996 |title=An Introduction to the Aquatic Insects of North America |publisher=Kendall/Hunt Pub. Co. |pages=275–282}}</ref> Relative lengths of the antennae segments can help identify unique species within the family Gerridae, but in general, segment I is longer and stockier than the remaining three.<ref name="Slater">{{cite book| author=Slater, J |year=1995 |title=True Bugs of the World (Hemiptera: Heteroptera) |publisher=Comstock Pub. Associates |pages=1–15}}</ref> The four segments combined are usually no longer than the length of the water strider head.