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Observation: Photinus pyralis
Primary Observer:
Megan Castor
Event Date:
2025-06-25
Status:
Verified
Survey
Site Name:
Colonial Apartments
Province/State:
Nebraska
Event Date:
2025-06-25
Time of Day:
Night-Time
Start Time:
21:25
End Time:
21:45
Number of Observers:
1
Primary Observer:
Megan Castor
Additional Observers:
NA
Target Species Genus:
Photinus
Target Species Species:
pyralis
Location and Habitat
Location Accuracy (meters):
0-25
Habitat Type:
Woodland/Forest - Trees dominant, and in the over-story
Habitat Type Notes:
Woodlands with mulberry present, some grasses (natural and landscape), thistle and some wildflowers present. Roadside drainage ditch, neighborhood retention ponds (2), and a natural creek present
Elevation (meters):
304.8
Area Searched (hectares):
1
Artificial Light Sources
Vehicles: Yes
Street Lights: Yes
Buildings: Yes
Street Lights: Yes
Buildings: Yes
Artificial Light Types
Sky Glow (diffuse illumination in the sky): No
Light Trespass (light cast on surfaces beyond its intended target): Yes
Glare (bright light causing visual discomfort): Yes
Light Trespass (light cast on surfaces beyond its intended target): Yes
Glare (bright light causing visual discomfort): Yes
Artificial Light Notes:
Observation
Observation Type:
Flashing
Number Observed:
50+
Genus:
Photinus
Species:
pyralis
Observation Notes:
Females perching on grasses flashing in very quick succession
Yellow glow
Males flying around rapidly flashing
Some insects crawling on soil or on tree bark
Specimen Voucher Number:
Flash Behavior
First Flash Time:
21:25
Last Flash Time:
21:45
First Flash Temp (F):
80
Last Flash Temp (F):
80
Flashes in Pattern:
1
Flash Color:
Yellow
Flash Pattern Period:
10 sec
Flash Duration:
<1 sec
Flash Interval:
<3-6 sec
Male Height Zone:
Moderate (3-8 ft)
Flash Location:
On ground to hip high and about 8 ft whilst flying rapidly
Male Flash Behavior:
One long sustained flash in j shape
Female Flash Behavior:
Flashing rapidly while perched on grass and shrubs
