Sweltsa borealis female
 
Alloperla severa male
 
Alloperla elevata female
 
Sweltsa exquisita male
 
Triznaka diversa male
 
Sweltsa coloradensis female
 
Triznaka signata female
 
Alloperla serrata female
 
Suwallia pallidula female
 
Alloperla delicata male
 
Sweltsa pacifica male
 
Alloperla elevata female
 
Sweltsa borealis female
 
Alloperla delicata male
 
Sweltsa pacifica male
 
Suwallia lineosa female
 
Sweltsa oregonensis female
 
Triznaka signata female
 
Sweltsa borealis female
 
Sweltsa pacifica male
 
Suwallia pallidula female
 
Alloperla delicata male
 
Triznaka signata female
  
Sweltsa exquisita male
 
Alloperla elevata female
 
Alloperla severa male
 
Sweltsa oregonensis female
  
Triznaka diversa male
 
Alloperla severa male
 
Alloperla serrata female
 
Sweltsa oregonensis female
 
Triznaka signata female
 
Sweltsa exquisita male
 
Sweltsa pacifica male
 
Alloperla severa female
 
Sweltsa fidelis female
 
Triznaka diversa male
 
Suwallia lineosa female
 
Alloperla severa female
 
Sweltsa coloradensis female
 
Alloperla severa male
 
Suwallia pallidula female
 
Alloperla serrata female
 
Sweltsa coloradensis female
 
Suwallia lineosa female
 
Sweltsa oregonensis female
  
Sweltsa fidelis female
 
Alloperla severa female