Observation: Photuris versicolor
Primary Observer:
Jeffrey calta
Event Date:
2026-06-10
Status:
Unreviewed
Survey
Site Name:
Fairview Township
Province/State:
Pennsylvania
Event Date:
2026-06-10
Time of Day:
Night-Time
Start Time:
22:00
End Time:
22:30
Number of Observers:
1
Primary Observer:
Jeffrey calta
Additional Observers:
Na
target_species_genus:
photuris
target_species_species:
versicolor
Location and Habitat
Location Accuracy (meters):
250-500
Habitat Type:
Riparian - Areas Along lake or stream
Habitat Type Notes:
Elevation (meters):
400
Area Searched (hectares):
3
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:
2-10
genus:
photuris
Species:
versicolor
Observation Notes:
Specimen was frying low to ground along tree line bordering a stream.
Specimen Voucher Number:
Flash Behavior
First Flash Time:
22:39
Last Flash Time:
22:30
First Flash Temp (F):
73
Last Flash Temp (F):
73
Flashes in Pattern:
1
Flash Color:
Green
Flash Pattern Period:
5-7
Flash Duration:
1-1.5
Flash Interval:
5-7
Male Height Zone:
Moderate (3-8 ft)
Flash Location:
Flight path was along tree line. Flash signal was a green 1-1.5 second long flash. Fade-in, fade-out signal
Male Flash Behavior:
See above
Female Flash Behavior:
None
