Insects of Iowa
Stoneflies Plecoptera
 Stoneflies
Perlodidae
Clioperla_clio Clioperla_clio Hydroperla_fugitans_epiproct
Hydroperla_fugitans_female Isoperla Isoperla_aedeagus_side
Isoperla_aedeagus_ventra Isoperla_bilineata /Isoperla_dicala
Isoperla_Female Isoperla Isoperla_Head
Isoperla_marlynia Isoperla_signata Isoperla_signata
Isoperla_slossonae Isoperla_transmarina Isoperla_Ventral