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Observation: Photuris quadrifulgens
Primary Observer:
Jeffrey calta
Event Date:
2025-06-05
Status:
Unreviewed
Survey
Site Name:
Fairview Township
Province/State:
Pennsylvania
Event Date:
2025-06-05
Time of Day:
Night-Time
Start Time:
21:37
End Time:
23:00
Number of Observers:
1
Primary Observer:
Jeffrey calta
Additional Observers:
Target Species Genus:
Photuris
Target Species Species:
quadrifulgens
Location and Habitat
Location Accuracy (meters):
250-500
Habitat Type:
Grassland/Meadow - Meadow, open, grasses dominant
Habitat Type Notes:
Multi habitats within sight of home. Grass fields, spotty groups of mature trees and riparian.
Elevation (meters):
400
Area Searched (hectares):
4
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:
Flashing
Number Observed:
11-50
Genus:
Photuris
Species:
quadrifulgens
Observation Notes:
No specimen captured. Some FF’s exhibited a series of two flashes instead of three.
Specimen Voucher Number:
Flash Behavior
First Flash Time:
21:40
Last Flash Time:
22:30
First Flash Temp (F):
66
Last Flash Temp (F):
66
Flashes in Pattern:
3
Flash Color:
Green
Flash Pattern Period:
2
Flash Duration:
0.5
Flash Interval:
4
Male Height Zone:
Moderate (3-8 ft)
Flash Location:
Ffs were active in grass fields around the property.
Male Flash Behavior:
Some FF’s occasionally would flash 2 times per pattern and sometimes 4 times per pattern.it is interesting that all activity ceased after 10:30 pm
Female Flash Behavior:
None found
