Observation: Photuris tremulans
Primary Observer:
Jeffrey calta
Event Date:
2026-06-09
Status:
Unreviewed
Survey
Site Name:
Fairview Township
Province/State:
Pennsylvania
Event Date:
2026-06-09
Time of Day:
Night-Time
Start Time:
21:30
End Time:
23:20
Number of Observers:
1
Primary Observer:
Jeffrey calta
Additional Observers:
Na
target_species_genus:
unknown
target_species_species:
unknown
Location and Habitat
Location Accuracy (meters):
250-500
Habitat Type:
Grassland/Meadow - Meadow, open, grasses dominant
Habitat Type Notes:
Grass lawn/field with nearby stream bordered by mature 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:
tremulans
Observation Notes:
Specimen Voucher Number:
Flash Behavior
First Flash Time:
22:39
Last Flash Time:
23:30
First Flash Temp (F):
73
Last Flash Temp (F):
73
Flashes in Pattern:
1
Flash Color:
Green
Flash Pattern Period:
2
Flash Duration:
0.5
Flash Interval:
2
Male Height Zone:
Moderate (3-8 ft), High (over 8 ft)
Flash Location:
In trees, in grassy field, and grass lawn. Moderately bright green flash. Active from 9pm thru 11pm
Male Flash Behavior:
Female Flash Behavior:
None
