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Observation: Photinus pyralis
Primary Observer:
Megan Castor
Event Date:
2025-06-23
Status:
Unreviewed
Survey
Site Name:
Colonial Apartments
Province/State:
Nebraska
Event Date:
2025-06-23
Time of Day:
Night-Time
Start Time:
21:25
End Time:
21:45
Number of Observers:
2
Primary Observer:
Megan Castor
Additional Observers:
James Mason
Target Species Genus:
Photinus
Target Species Species:
pyralis
Location and Habitat
Location Accuracy (meters):
0-25
Habitat Type:
Developed - Sub/urban areas; parks/gardens
Habitat Type Notes:
Native grass present, along with willow, thistle, and nearby wetland areas (natural creek and drainage pond)
Elevation (meters):
1000
Area Searched (hectares):
1
Artificial Light Sources
Vehicles: No
Street Lights: Yes
Buildings: Yes
Street Lights: Yes
Buildings: Yes
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:
50+
Genus:
Photinus
Species:
pyralis
Observation Notes:
Observed flying 1-8 feet high, flashing, mating, and sitting on grass flashing
Specimen Voucher Number:
Flash Behavior
First Flash Time:
21:25
Last Flash Time:
21:45
First Flash Temp (F):
74
Last Flash Temp (F):
73
Flashes in Pattern:
1
Flash Color:
Yellow
Flash Pattern Period:
5
Flash Duration:
Less than a second
Flash Interval:
6.55
Male Height Zone:
Moderate (3-8 ft)
Flash Location:
Above grasses, less often over water. Not near trees.
