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Observation: Photinus pyralis
Primary Observer:
Reagan Montalvo
Event Date:
2025-07-07
Status:
Verified
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:
Flashing
Number Observed:
2-10
Genus:
Photinus
Species:
pyralis
Observation Notes:
some 2 ft off ground, J shaped, caught one at 8:55 pm
Specimen Voucher Number:
Flash Behavior
First Flash Time:
20:41
Last Flash Time:
21:00
First Flash Temp (F):
84.1
Last Flash Temp (F):
84.1
Flashes in Pattern:
1
Flash Color:
Green
Flash Pattern Period:
7
Flash Duration:
1
Flash Interval:
5
Male Height Zone:
Low (0-3 ft)
Flash Location:
About 2 ft off the ground.
Male Flash Behavior:
J shaped
