Observation: Photinus pyralis
Primary Observer:
Alexander Kalisiak
Event Date:
2026-07-08
Status:
Unreviewed
Survey
Site Name:
canal side path
Province/State:
New York
Event Date:
2026-07-08
Time of Day:
Night-Time
Start Time:
21:30
End Time:
21:40
Number of Observers:
3
Primary Observer:
Alexander Kalisiak
Additional Observers:
Melissa Heft-Kalisiak
Walter Kalisiak
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:
Elevation (meters):
154m
Area Searched (hectares):
1
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:
50+
genus:
photinus
Species:
pyralis
Observation Notes:
several hundred to almost a thousand observed. along a 250-ft stretch of path. observations as recently as a couple days ago in this exact area did not have nearly this number
Specimen Voucher Number:
Flash Behavior
First Flash Time:
21:30
Last Flash Time:
21:40
First Flash Temp (F):
77
Last Flash Temp (F):
77
Flashes in Pattern:
1
Flash Color:
Yellow
Flash Pattern Period:
1
Flash Duration:
1
Flash Interval:
1
Male Height Zone:
Moderate (3-8 ft)
Flash Location:
flashes appeared to be directly over tall weeds and overgrown flowers. very few were in short tree canopies. Recorded video available.
