Observation: Pyractomena borealis
Primary Observer:
Reagan Montalvo
Event Date:
2025-07-07
Status:
Unverified
Survey
Site Name:
Jacks Lake at Sweetwater Creek State Park
Province/State:
Georgia
Event Date:
2025-07-07
Time of Day:
Night-Time
Start Time:
20:41
End Time:
22:50
Number of Observers:
9
Primary Observer:
Reagan Montalvo
Additional Observers:
Amaad, Suzi, Adrian, Emily, Mason, Aurora, Austin, Aiden
target_species_genus:
photinus
target_species_species:
acuminatus
Location and Habitat
Location Accuracy (meters):
50-100
Habitat Type:
Riparian - Areas Along lake or stream
Habitat Type Notes:
Edge of lake, full ground cover, microstegium, edge canopy of alder, "sticky" grass at water's edge, sweetgum and maple
Elevation (meters):
255
Area Searched (hectares):
2
Artificial Light Sources
Vehicles: No
Street Lights: No
Buildings: No
Street Lights: No
Buildings: No
Artificial Light Types
Sky Glow (diffuse illumination in the sky): Yes
Light Trespass (light cast on surfaces beyond its intended target): No
Glare (bright light causing visual discomfort): No
Light Trespass (light cast on surfaces beyond its intended target): No
Glare (bright light causing visual discomfort): No
Artificial Light Notes:
Observation
Observation Type:
With Flash Data
Number Observed:
1
genus:
pyractomena
Species:
borealis
Observation Notes:
Reagan's voice recording 2. Seeing one in the woods by Jacks pond.
Specimen Voucher Number:
Flash Behavior
First Flash Time:
21:23
Last Flash Time:
21:23
First Flash Temp (F):
79.4
Last Flash Temp (F):
79.4
Flashes in Pattern:
1
Flash Color:
Unknown
Flash Pattern Period:
3.5
Flash Duration:
0.75
Flash Interval:
3
Male Height Zone:
High (over 8 ft)
Flash Location:
15 ft up in the woods. Whiter flash.
Male Flash Behavior:
Female Flash Behavior:
1 thought on “Observation: Pyractomena borealis”
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Despite the similar flash pattern and flash location in the trees, July 7th would be really late in the season for Pyractomena borealis in GA. My guess would be a Photuris, but there is really no way to know. These ones can be frustrating!