Observation: Photinus pyralis
Primary Observer:
Richard Joyce
Event Date:
2023-07-10
Status:
Verified
Survey
Site Name:
Edwin B. Forsythe National Wildlife Refuge- headquarters high marsh
Province/State:
New Jersey
Event Date:
2023-07-10
Time of Day:
Night-Time
Start Time:
20:37
End Time:
23:18
Number of Observers:
5
Primary Observer:
Richard Joyce
Additional Observers:
Kass Urban-Mead, Nate Kleinman, Jack McDonough, Jamie Ngo
target_species_genus:
pyractomena
target_species_species:
ecostata
Location and Habitat
Location Accuracy (meters):
0-25
Habitat Type:
Tidal Marsh - Salt marsh or brackish marsh
Habitat Type Notes:
High salt marsh with Spartina alterniflora, Spartina patens, and strips of Phragmites australis (at the highest elevations).
Elevation (meters):
0.75
Area Searched (hectares):
0.5
Artificial Light Sources
Vehicles: No
Street Lights: No
Buildings: Yes
Street Lights: No
Buildings: Yes
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:
Significant sky glow and glare from urban areas on the horizon, particularly Atlantic City. The habitat itself was free from light trespass.
Observation
Observation Type:
With Flash Data
Number Observed:
11-50
genus:
photinus
Species:
pyralis
Observation Notes:
About 11 mm long.
Specimen Voucher Number:
Flash Behavior
First Flash Time:
20:46
Last Flash Time:
21:01
First Flash Temp (F):
77
Last Flash Temp (F):
74
Flashes in Pattern:
1
Flash Color:
Yellow
Flash Pattern Period:
6
Flash Duration:
0.5
Flash Interval:
5.5
Male Height Zone:
Low (0-3 ft), Moderate (3-8 ft)
Flash Location:
Over the mowed grass, shrubs, and pollinator meadow inland from the salt marsh.
Male Flash Behavior:
Rising, yellow, J-shaped flashes.
Female Flash Behavior:
Not observed.
