Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada

Suborder Pisciforma


Mayfly Larva - Ameletus ludens mayfly - Ameletus Ameletus sp. #3 - voucher specimens, in alcohol - Ameletus Ameletus sp. #1 - voucher specimen, in alcohol - Ameletus - male Mayfly - Ameletus Hexagenia species?? - Ameletus - female Colorful Ameletus - Ameletus Ameletus? - Ameletus - male

Ametropus ammophilus

Mayfly with white colored veins - Callibaetis - female Baetidae - male Baetidae, genus Acentrella - Acentrella Small Mayfly (Baetidae) - Callibaetis Baetidae, Heterocloeon curiosum - Heterocloeon curiosum Baetidae, Acentrella turbida - Acentrella turbida Tiny Mayfly - Plauditus punctiventris - male Mayfly larva? - Baetis

Mayfly - Siphloplecton basale Mayfly - Siphloplecton basale Mayfly - Siphloplecton Siphloplecton cf. basale - Siphloplecton Siphloplecton cf. basale - Siphloplecton Siphloplecton - female Siphloplecton basale - male Mayfly 1 - Siphloplecton basale

Mayfly - Siphlonurus - female Mayfly larva - Siphlonurus Mayfly - Siphlonurus occidentalis Mayfly - Siphlonurus occidentalis Primitive Minnow Mayfly - Siphlonurus Mayfly - Siphlonurus - female Mayfly at Tuolumne Meadow - Siphlonurus - male Mayfly - Siphlonurus