Observation: Photuris
Primary Observer:
Jeffrey Calta
Event Date:
2026-06-05
Status:
Unreviewed
Survey
Site Name:
Fairview Township
Province/State:
Pennsylvania
Event Date:
2026-06-05
Time of Day:
Night-Time
Start Time:
21:30
End Time:
22:17
Number of Observers:
1
Primary Observer:
Jeffrey Calta
Additional Observers:
Na
target_species_genus:
unknown
target_species_species:
Location and Habitat
Location Accuracy (meters):
250-500
Habitat Type:
Grassland/Meadow - Meadow, open, grasses dominant
Habitat Type Notes:
Mostly grass/field but close to a stream bordered by cherry trees
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:
11-50
genus:
photuris
Species:
unknown
Observation Notes:
About 13 mm
Specimen Voucher Number:
Flash Behavior
First Flash Time:
22:00
Last Flash Time:
22:45
First Flash Temp (F):
70
Last Flash Temp (F):
63
Flashes in Pattern:
3
Flash Color:
Green
Flash Pattern Period:
6-7
Flash Duration:
0.50.5
Flash Interval:
0.5
Male Height Zone:
Moderate (3-8 ft)
Flash Location:
All over grass lawn and adjacent fields
Male Flash Behavior:
Three green flashes every two seconds approximately 3-4 meters off ground. Some individuals were higher.
Female Flash Behavior:
None
