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Observation: Photinus pyralis
Primary Observer:
Ed Chapman
Event Date:
2024-06-21
Status:
Verified
Survey
Site Name:
13 Hardenberg St., New Brunswick
Province/State:
New Jersey
Event Date:
2024-06-21
Time of Day:
Night-Time
Start Time:
20:00
End Time:
20:30
Number of Observers:
2
Primary Observer:
Ed Chapman
Additional Observers:
Norma Hoffman
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:
Small backyard; many trees, weeds.
Elevation (meters):
19
Area Searched (hectares):
1/6 acre
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): 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:
Flashing
Number Observed:
2-10
Genus:
Photinus
Species:
pyralis
Observation Notes:
8-10 fireflies at a time, male and female. They live in our shaded and unmowed backyard and come out at dusk; as it gets darker, they move to the mowed and better lighted lot behind us.
Specimen Voucher Number:
Flash Behavior
First Flash Time:
20:00
Last Flash Time:
20:45
First Flash Temp (F):
86
Last Flash Temp (F):
86
Flashes in Pattern:
1
Flash Color:
Yellow
Flash Pattern Period:
1-2
Flash Duration:
1-2
Flash Interval:
10-15
Male Height Zone:
Low (0-3 ft)
Flash Location:
shaded backyard, low over weeds, maybe two to four feet over the ground
Male Flash Behavior:
random flying, 2-4 feet over the ground
Female Flash Behavior:
stationary, in shaded areas, below grape arbor, in rosebush, in weed patch
