Observation: Photinus pyralis
Primary Observer:
Sophie White
Event Date:
2024-07-05
Status:
Unreviewed



Survey
Site Name:
Marsha P. Johnson State Park
Province/State:
New York
Event Date:
2024-07-05
Time of Day:
Night-Time
Start Time:
20:30
End Time:
20:40
Number of Observers:
15
Primary Observer:
Sophie White
Additional Observers:
Flannery James, Emily Gaines, Erin Heddy, Sara Robinson, Thalia Flores Perez, Jessie Miner, Riley, Lincoln, Dorothy, Unknown, Unknown, Unknown, Unknown, Unknown
Target Species Genus:
Photinus
Target Species Species:
pyralis
Location and Habitat
Location Accuracy (meters):
0-25
Habitat Type:
Developed - Sub/urban areas; parks/gardens
Habitat Type Notes:
 
Elevation (meters):
2.3
Area Searched (hectares):
4.5
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): Yes
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:
Manhattan across the East River, lots of lights in the park itself, bright lights from soccer game next to the park.
Observation
Observation Type:
Flashing
Number Observed:
11-50
Genus:
Photinus
Species:
pyralis
Observation Notes:
 
Specimen Voucher Number:
Flash Behavior
First Flash Time:
20:30
Last Flash Time:
20:40
First Flash Temp (F):
75
Last Flash Temp (F):
75
Flashes in Pattern:
1
Flash Color:
Yellow
Flash Pattern Period:
5
Flash Duration:
1
Flash Interval:
5
Male Height Zone:
Low (0-3 ft), Moderate (3-8 ft), High (over 8 ft)
Flash Location:
Mostly low, seemingly higher when disturbed by park patrons.
Male Flash Behavior:
Made J shape.
Female Flash Behavior: