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Observation: Photinus
Primary Observer:
Miriam Bonk
Event Date:
2025-07-11
Status:
Unverified
Survey
Site Name:
8 Perrin Dr. Wayne NJ
Province/State:
New Jersey
Event Date:
2025-07-11
Time of Day:
Night-Time
Start Time:
21:10
End Time:
21:20
Number of Observers:
1
Primary Observer:
Miriam Bonk
Additional Observers:
NA
Target Species Genus:
unknown
Target Species Species:
unknown
Location and Habitat
Location Accuracy (meters):
0-25
Habitat Type:
Developed - Sub/urban areas; parks/gardens
Habitat Type Notes:
Grass
Forsythia hedges
Pine tree
Rose of Sharon tree/shrub
Elevation (meters):
123
Area Searched (hectares):
1/4 hectar
Artificial Light Sources
Vehicles: No
Street Lights: Yes
Buildings: Yes
Motion detector yard lights
Street Lights: Yes
Buildings: Yes
Motion detector yard lights
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): Yes
Light Trespass (light cast on surfaces beyond its intended target): No
Glare (bright light causing visual discomfort): Yes
Artificial Light Notes:
Observation
Observation Type:
Flashing
Number Observed:
2-10
Genus:
Photinus
Species:
unknown
Observation Notes:
3 observations:
7 flashs in 12 seconds
7 flashes in 14 seconds
9 flashes in 15 seconds
Specimen Voucher Number:
?
Flash Behavior
First Flash Time:
21:10
Last Flash Time:
21:20
First Flash Temp (F):
75F
Last Flash Temp (F):
75F
Flashes in Pattern:
1
Flash Color:
Yellow
Flash Pattern Period:
15 seconds
Flash Duration:
2 second
Flash Interval:
15 seconds
Male Height Zone:
Moderate (3-8 ft)
Flash Location:
Above grassy areas 3-8 ft hi
Above bushes ( a few as hi as 10 ft)
A few within a foot of the ground
Could not discern f vs m
