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Observation: Unknown
Primary Observer:
Brittany Jonatanson
Event Date:
2024-06-13
Status:
Unverified
Survey
Site Name:
Home
Province/State:
Manitoba
Event Date:
2024-06-13
Time of Day:
Night-Time
Start Time:
23:00
End Time:
12:00
Number of Observers:
3
Primary Observer:
Brittany Jonatanson
Additional Observers:
Jonas Jonatanson, Johann Jonatanson
Target Species Genus:
unknown
Target Species Species:
Location and Habitat
Location Accuracy (meters):
0-25
Habitat Type:
Grassland/Meadow - Meadow, open, grasses dominant
Habitat Type Notes:
Meadow, grass, marshy area
Elevation (meters):
1-2
Area Searched (hectares):
1.5
Artificial Light Sources
Vehicles: No
Street Lights: No
Buildings: No
Street Lights: No
Buildings: No
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:
We live in the country. Shut off all the house lights to watch them, but initially had the house lights and porch lights on at initial sighting
Observation
Observation Type:
Flashing
Number Observed:
50+
Genus:
unknown
Species:
unknown
Observation Notes:
We sat for about 40 minutes watching, they flashed continously throughout, spreading out across the whole yard (approx 3-4 acres?)
Specimen Voucher Number:
Flash Behavior
First Flash Time:
23:00
Last Flash Time:
23:40
First Flash Temp (F):
66.2
Last Flash Temp (F):
66.2
Flashes in Pattern:
1
Flash Color:
Yellow
Flash Pattern Period:
0
Flash Duration:
0
Flash Interval:
0
Male Height Zone:
Moderate (3-8 ft)
Flash Location:
Flashes were throughout the yard, approx 3-8 ft from the ground. This is my first time filling out this survey, so I did not calculate flash times, but they were quite active
Male Flash Behavior:
Female Flash Behavior:
1 thought on “Observation: Unknown”
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A belated thank you for submitting this firefly observation! Based on the late-evening display time, habitat, and location, I think these fireflies were likely in the genus Photuris. Close-up photos and flash pattern details would help to confirm.