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Observation: Photinus pyralis
Primary Observer:
Laurie Angus
Event Date:
2025-06-29
Status:
Verified
Survey
Site Name:
West End Ave
Province/State:
New York
Event Date:
2025-06-29
Time of Day:
Night-Time
Start Time:
20:48
End Time:
21:03
Number of Observers:
1
Primary Observer:
Laurie Angus
Additional Observers:
n/a
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:
Habitat transition--small grassy backyard borders dense bushes and woods--small creek runs through wooded area
Elevation (meters):
60.96
Area Searched (hectares):
.20234
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:
50+
Genus:
Photinus
Species:
pyralis
Observation Notes:
Countless, dazzling display of fireflies!
Specimen Voucher Number:
Flash Behavior
First Flash Time:
20:48
Last Flash Time:
21:03
First Flash Temp (F):
75
Last Flash Temp (F):
74
Flashes in Pattern:
1
Flash Color:
Yellow
Flash Pattern Period:
6-7
Flash Duration:
brief--less than a second
Flash Interval:
5-6
Male Height Zone:
Low (0-3 ft), Moderate (3-8 ft), High (over 8 ft)
Flash Location:
grass, bushes, trees
Male Flash Behavior:
Female Flash Behavior:
1 thought on “Observation: Photinus pyralis”
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Nice documentation of big dipper fireflies (Photinus pyralis)!