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Observation: Photinus pyralis
Primary Observer:
Emily Geest
Event Date:
2023-06-21
Status:
Verified
Survey
Site Name:
Oklahoma City Zoo & Botanic Garden
Province/State:
Oklahoma
Event Date:
2023-06-21
Time of Day:
Night-Time
Start Time:
20:30
End Time:
22:15
Number of Observers:
6
Primary Observer:
Emily Geest
Additional Observers:
Rebecca David, Brian Frank, Pace Frank, Michelle Zorantonello, Katie Porth, Stephanie Smith
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:
woody area near lake. Dominant native plants: oaks, common milkweed. Dominant cultivated plants: abelia bushes, azaleas, hydrangeas.
Elevation (meters):
366
Area Searched (hectares):
1.46
Artificial Light Sources
Vehicles: Yes
Street Lights: Yes
Buildings: Yes
vending machines, interior building lights, light reflection off lake surface
Street Lights: Yes
Buildings: Yes
vending machines, interior building lights, light reflection off lake surface
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:
Observation
Observation Type:
Flashing
Number Observed:
11-50
Genus:
Photinus
Species:
pyralis
Observation Notes:
Specimen Voucher Number:
Flash Behavior
First Flash Time:
20:40
Last Flash Time:
22:00
First Flash Temp (F):
81
Last Flash Temp (F):
79
Flashes in Pattern:
1
Flash Color:
Yellow
Flash Pattern Period:
4
Flash Duration:
1
Flash Interval:
0
Male Height Zone:
Low (0-3 ft), Moderate (3-8 ft)
Flash Location:
Began low to the ground but moved upwards as the survey continued.
Male Flash Behavior:
J-shaped flight, 1 flash about every 4 seconds. Flash was yellow was a hint of green depending on moonlight/artificial light reaching area of observation.
Female Flash Behavior:
1 short faint glow. Stationary. Infrequent flash.
1 thought on “Observation: Photinus pyralis”
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Thanks for submitting this survey and observation data, Emily! You documented all the diagnostic Photinus pyralis traits nicely!