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Observation: Pyractomena borealis
Primary Observer:
Mary Twitchel
Event Date:
2024-04-13
Status:
Verified
Survey
Site Name:
Heath Place
Province/State:
Tennessee
Event Date:
2024-04-13
Time of Day:
Night-Time
Start Time:
19:57
End Time:
20:30
Number of Observers:
1
Primary Observer:
Mary Twitchel
Additional Observers:
NA
Target Species Genus:
unknown
Target Species Species:
unknown
Location and Habitat
Location Accuracy (meters):
50-100
Habitat Type:
Shrub/Scrub - Arid, shrubs present and abundant
Habitat Type Notes:
brush under large trees had new spring growth. Trees were bare to minimal new green growth.
Elevation (meters):
561
Area Searched (hectares):
50 square feet
Artificial Light Sources
Vehicles: No
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): No
Light Trespass (light cast on surfaces beyond its intended target): Yes
Glare (bright light causing visual discomfort): No
Artificial Light Notes:
flood lights from nearby houses
Observation
Observation Type:
Flashing
Number Observed:
1
Genus:
Pyractomena
Species:
borealis
Observation Notes:
brush underneath large trees, fireflies began about 8 feet off the ground in brush and continued up into trees approximately 50 feet. 46 flashes per minute. This is very early for sightings in this area.
Specimen Voucher Number:
Flash Behavior
First Flash Time:
19:57
Last Flash Time:
20:30
First Flash Temp (F):
71
Last Flash Temp (F):
70
Flashes in Pattern:
>4
Flash Color:
Green
Flash Pattern Period:
46 flashes per minute
Flash Duration:
1
Flash Interval:
1
Male Height Zone:
High (over 8 ft)
Flash Location:
flashes coming from tails on brush and tree limbs
