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Photuris pensylvanica
Photuris pensylvanica, known by the common names Pennsylvania firefly, lightning bug, dot-dash firefly and (in its larval state) glowworm, is a species of firefly from the United States and Canada. It is also widely known under the Latin name Photuris pennsylvanica, although the original spelling, with one "n", was common in Latinized names of the time and remains the valid name.
7 branches of this group, most-observed first
Pennsylvania Firefly
speciesPhoturis pensylvanica
Appalachian Dot-dash Firefly
speciesPhoturis appalachianensis
Photuris cowaseloniensis
speciesPhoturis cowaseloniensis
Photuris hiawasseensis
speciesPhoturis hiawasseensis
Photuris asacoa
speciesPhoturis asacoa
Slow Blues
speciesPhoturis caerulucens
Allegany Firefly
speciesPhoturis alleganiensis
Where it lives
Recorded sightings
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geo-referenced records in GBIF, from museums, herbaria and field observers.
Drag the globe to turn it. Dots are where records exist, not a range map; darker means more records.
In the stacks
Searching the stacks…
Every page naming Photuris pensylvanica in the Biodiversity Heritage Library →
This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 1517153.