Observation: Pyractomena lucifera
Primary Observer:
Richard Joyce
Event Date:
2022-06-14
Status:
Unverified
Survey
Site Name:
Croft State Park, Lake Johnson
Province/State:
South Carolina
Event Date:
2022-06-14
Time of Day:
Night-Time
Start Time:
21:04
End Time:
23:00
Number of Observers:
1
Primary Observer:
Richard Joyce
Additional Observers:
NA
Target Species Genus:
Target Species Species:
Location and Habitat
Location Accuracy (meters):
50-100
Habitat Type:
Riparian - Areas Along lake or stream
Habitat Type Notes:
Grassy shore/lakebed. Relatively dry, with wetter spots.
Elevation (meters):
607
Area Searched (hectares):
0.33
Artificial Light Sources
Vehicles: Yes
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): Yes
Light Trespass (light cast on surfaces beyond its intended target): No
Glare (bright light causing visual discomfort): Yes
Artificial Light Notes:
Occasional vehicle headlight glare from anglers exiting park.
Observation
Observation Type:
Flashing
Number Observed:
11-50
Genus:
Pyractomena
Species:
lucifera
Observation Notes:
P. lucifera is best guess/placeholder for species. Quite small body size. Flashing about a foot above the grass.
Specimen Voucher Number:
Flash Behavior
First Flash Time:
21:40
Last Flash Time:
21:50
First Flash Temp (F):
81
Last Flash Temp (F):
81
Flashes in Pattern:
1
Flash Color:
Yellow
Flash Pattern Period:
5
Flash Duration:
Did not measure
Flash Interval:
5
Male Height Zone:
Low (0-3 ft)
Flash Location:
Just above the marshy grass. (About knee-high.)
Male Flash Behavior:
Relatively dim, quick yellow flashes 4-6 seconds apart at 81 degrees F.
Because I was walking around other parts of the survey area, I did not observe the beginning of end of the display.
Female Flash Behavior:
Did not knowingly observe female flashes.
