Observation: Photinus pyralis
Primary Observer:
Eva Alexander
Event Date:
2026-07-08
Status:
Unreviewed
Survey
Site Name:
Colhoun Preserve
Province/State:
Connecticut
Event Date:
2026-07-08
Time of Day:
Night-Time
Start Time:
20:46
End Time:
21:26
Number of Observers:
2
Primary Observer:
Eva Alexander
Additional Observers:
Sloan Alexander
target_species_genus:
unknown
target_species_species:
unknown
Location and Habitat
Location Accuracy (meters):
25-50
Habitat Type:
Grassland/Meadow - Meadow, open, grasses dominant
Habitat Type Notes:
Elevation (meters):
105
Area Searched (hectares):
.101171
Artificial Light Sources
Vehicles: Yes
Street Lights: Yes
Buildings: No
Street Lights: Yes
Buildings: No
Artificial Light Types
Sky Glow (diffuse illumination in the sky): Yes
Light Trespass (light cast on surfaces beyond its intended target): Yes
Glare (bright light causing visual discomfort): No
Light Trespass (light cast on surfaces beyond its intended target): Yes
Glare (bright light causing visual discomfort): No
Artificial Light Notes:
Not as many cars driving by as usual, but there was a truck with its lights partially on in the parking lot.
Observation
Observation Type:
With Flash Data
Number Observed:
11-50
genus:
photinus
Species:
pyralis
Observation Notes:
Specimen Voucher Number:
Flash Behavior
First Flash Time:
21:02
Last Flash Time:
21:20
First Flash Temp (F):
76
Last Flash Temp (F):
76
Flashes in Pattern:
3
Flash Color:
Green
Flash Pattern Period:
5
Flash Duration:
.4
Flash Interval:
1
Male Height Zone:
Moderate (3-8 ft)
Flash Location:
Male flashes are about 7ft up, 3 ft above the brush (which is ~4ft tall).
