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Observation: Unknown
Primary Observer:
Samuel Christian Bailey
Event Date:
2025-06-24
Status:
Unverified
Survey
Site Name:
Fire fly spottage
Province/State:
Maryland
Event Date:
2025-06-24
Time of Day:
Night-Time
Start Time:
22:17
End Time:
22:25
Number of Observers:
1
Primary Observer:
Samuel Christian Bailey
Additional Observers:
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:
Grass, bushes
Elevation (meters):
164.8968
Area Searched (hectares):
0.0025
Artificial Light Sources
Vehicles: No
Street Lights: Yes
Buildings: No
Neighbors house
Street Lights: Yes
Buildings: No
Neighbors house
Artificial Light Types
Sky Glow (diffuse illumination in the sky): No
Light Trespass (light cast on surfaces beyond its intended target): Yes
Glare (bright light causing visual discomfort): No
Light Trespass (light cast on surfaces beyond its intended target): Yes
Glare (bright light causing visual discomfort): No
Artificial Light Notes:
The light from my neighbors house was mostly blocked by their fence
Observation
Observation Type:
Flashing
Number Observed:
11-50
Genus:
unknown
Species:
unknown
Observation Notes:
Slowish. There may have been multiple genuses. Some did 5 flashes in 0.5 seconds, others did a fade in fade out in 0.5 seconds
Specimen Voucher Number:
Flash Behavior
First Flash Time:
22:01
Last Flash Time:
22:50
First Flash Temp (F):
85
Last Flash Temp (F):
83
Flashes in Pattern:
1
Flash Color:
Green
Flash Pattern Period:
1
Flash Duration:
0.5
Flash Interval:
30
Male Height Zone:
Moderate (3-8 ft)
Flash Location:
Head level, about 5 foot 8 inches about the ground the light was a sort of yellow green
Male Flash Behavior:
Fade in fade out
Female Flash Behavior:
I don’t know the difference. Rapid, 5+ flashes in 0.5 seconds. I couldn’t upload the video of me mimicking the flashes so I sent a video of before I went to my backyard
1 thought on “Observation: Unknown”
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Flash color (green), later evening display time, and flash behavior (flickers, head-height) suggest a Photuris firefly.