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Observation: Photinus
Primary Observer:
Brian
Event Date:
2025-07-26
Status:
Unverified
Survey
Site Name:
Home
Province/State:
Oklahoma
Event Date:
2025-07-26
Time of Day:
Night-Time
Start Time:
20:45
End Time:
20:48
Number of Observers:
2
Primary Observer:
Brian
Additional Observers:
Taryn
Target Species Genus:
unknown
Target Species Species:
unknown
Location and Habitat
Location Accuracy (meters):
0-25
Habitat Type:
Developed - Sub/urban areas; parks/gardens
Habitat Type Notes:
Elevation (meters):
233.477
Area Searched (hectares):
Artificial Light Sources
Vehicles: No
Street Lights: No
Buildings: No
Patio Lights
Street Lights: No
Buildings: No
Patio Lights
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:
The only light source were our patio lights
Observation
Observation Type:
Flashing
Number Observed:
1
Genus:
Photinus
Species:
unknown
Observation Notes:
The firefly was maybe half an inch long. Its lower abdomen was about half its body length. It just fluttered around for a couple of minutes, then flew away.
Specimen Voucher Number:
Flash Behavior
First Flash Time:
20:45
Last Flash Time:
20:48
First Flash Temp (F):
82
Last Flash Temp (F):
82
Flashes in Pattern:
1
Flash Color:
Yellow
Flash Pattern Period:
0
Flash Duration:
2
Flash Interval:
0
Male Height Zone:
Moderate (3-8 ft)
Flash Location:
About 4 feet off the ground
Male Flash Behavior:
Female Flash Behavior:
1 thought on “Observation: Photinus”
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Thanks for this firefly report! I am curious about what species it might have been. Based on the yellow flash color and the early evening display time (8:45 PM, or ~15 minutes after sunset), I think it was most likely in the genus Photinus. Lots of big dipper fireflies (Photinus pyralis) have been documented in the Tulsa area. Having a photo of the firefly up close would help to confirm whether this is the species you have.