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Observation: Photinus sabulosus
Primary Observer:
Richard Joyce
Event Date:
2023-07-01
Status:
Verified
Survey
Site Name:
Bernheim Arboretum and Research Forest- Lake Nevin
Province/State:
Kentucky
Event Date:
2023-07-01
Time of Day:
Night-Time
Start Time:
21:20
End Time:
23:00
Number of Observers:
3
Primary Observer:
Richard Joyce
Additional Observers:
Bill Napper, Maina Handmaker
Target Species Genus:
unknown
Target Species Species:
unknown
Location and Habitat
Location Accuracy (meters):
0-25
Habitat Type:
Riparian - Areas Along lake or stream
Habitat Type Notes:
Habitats included wooded edge (mostly hardwoods), mowed lawn, and shrubby lakeshore. Lake Nevin is a dammed impoundment.
Elevation (meters):
151
Area Searched (hectares):
2.2
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:
ALAN was limited to sky glow to the northwest.
Observation
Observation Type:
Flashing
Number Observed:
2-10
Genus:
Photinus
Species:
sabulosus
Observation Notes:
Body length was between 7 and 8 mm. Habitat photo with Photinus pyralis shows the shrubby vegetation at the edge of Lake Nevin where these Photinus were flashing.
Specimen Voucher Number:
Flash Behavior
First Flash Time:
21:41
Last Flash Time:
21:50
First Flash Temp (F):
79.6
Last Flash Temp (F):
79.6
Flashes in Pattern:
1
Flash Color:
Yellow
Flash Pattern Period:
1.8
Flash Duration:
not recorded
Flash Interval:
1.5
Male Height Zone:
Moderate (3-8 ft)
Flash Location:
Flashes were just above and among the shrubs along the shoreline of Lake Nevin.
Male Flash Behavior:
In the moment, I described the flash as "a little flash, not rising." Voice recordings of a series of 6 brief flashes had variable flash periods: 3.4, 1.8, 1.8, 1.6, and 3.5 seconds.
Female Flash Behavior:
Not observed.
