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For Insects, Spiders & Their Kin
For the United States & Canada
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Family Baetiscidae - Armored Mayflies

fat spiny Mayfly larva - Baetisca laurentina Ephemeroptera ID help - Baetisca lacustris - female Mayfly -  - Baetisca - female Baetisca berneri Baetisca berneri Mayfly? - Baetisca laurentina - female small brown mayfly with turbinate eyes - Baetisca laurentina - male Baetisca sp.  - Baetisca
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Ephemeroptera (Mayflies)
Suborder Carapacea
Family Baetiscidae (Armored Mayflies)
a single genus 12 spp. total, all of in our area(1)(2)
nearctic family more diverse in the east, esp. se. US; 2 spp. are transcontinental in the north, 1 sp. is restricted to nw. NA(1)(2)