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Updates from July 15, 2011

Closeup insects by Bnewell from the Touchet River in Washington

Rhithrogena robusta Mayfly SpinnerRhithrogena robusta  Mayfly Spinner View 2 Pictures
Collected July 15, 2011 from the Touchet River in Washington
Added to by Bnewell on July 15, 2011
Male Rhithrogena robusta Mayfly SpinnerMale Rhithrogena robusta  Mayfly Spinner View 3 PicturesThese specimens were collected from a mating swarm from the east branch of the North Fork of the Touchet River, upstream from the Bluewood Ski Area turn.It was a sunny warm day, mating swarm as 4-8 ft. above this small stream. Four male spinners were collected.Stream photos were taken.
Collected July 15, 2011 from the Touchet River in Washington
Added to by Bnewell on July 15, 2011

Comments / replies

AdirmanJuly 15th, 2011, 6:05 pm
Monticello, NY

Posts: 504
I see it has mosquito like front legs and only 2 tails that are quite long: is this normal?
GONZOJuly 15th, 2011, 6:14 pm
Site Editor
"Bear Swamp," PA

Posts: 1681
Male spinners usually have long front legs and long tails. The number of tails is normal for adults in this family.
EntomanJuly 16th, 2011, 1:04 am
Northern CA & ID

Posts: 2604

The purpose of these long legs is to grasp the female in a way that proper leverage and balance can be utilized to make aerial copulation possible... Founders of the mile high club?

"It's not that I find fishing so important, it's just that I find all other endeavors of Man equally unimportant... And not nearly as much fun!" Robert Traver, Anatomy of a Fisherman

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