Observation: Photuris pensylvanica
Primary Observer:
Amber Haas
Event Date:
2026-07-24
Status:
Unreviewed
Survey
Site Name:
Kellys Run
Province/State:
Pennsylvania
Event Date:
2026-07-24
Time of Day:
Night-Time
Start Time:
20:00
End Time:
22:00
Number of Observers:
2
Primary Observer:
Amber Haas
Additional Observers:
Melissa Tenneson
target_species_genus:
photinus
target_species_species:
pyralis
Location and Habitat
Location Accuracy (meters):
100-250
Habitat Type:
Grassland/Meadow - Meadow, open, grasses dominant
Habitat Type Notes:
Mixed wooded path, and managed pollinator meadow
Elevation (meters):
224.49
Area Searched (hectares):
6
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:
pensylvanica
Observation Notes:
Larger, emerged later in meadow area
Specimen Voucher Number:
Flash Behavior
First Flash Time:
21:15
Last Flash Time:
22:00
First Flash Temp (F):
70
Last Flash Temp (F):
67
Flashes in Pattern:
2
Flash Color:
Green
Flash Pattern Period:
2
Flash Duration:
3
Flash Interval:
6
Male Height Zone:
High (over 8 ft)
Flash Location:
Some flashes in grass layer and more flashes higher up.
