Stoneflies of the United States
Stoneflies of Montgomery County, Maryland
Species denoted with an asterisk (*) are unconfirmed or dubious records.
Taeniopterygidae
Subfamily Taeniopteryginae
Spinyleg Willowfly -- (Taeniopteryx maura)
Perlidae
Subfamily Acroneuriinae
Common Stone -- (Acroneuria abnormis) Eastern Stone -- (Acroneuria arenosa) Illinois Stone -- (Acroneuria filicis) Subfamily Perlinae
Midwestern Stone -- (Agnetina flavescens)
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