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Observation: Photuris forresti
Primary Observer:
Richard Joyce
Event Date:
2022-06-14
Status:
Unverified
Survey
Site Name:
Croft State Park, Thompson Creek, Lake Johnson Rd.
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:
Photuris
Target Species Species:
forresti
Location and Habitat
Location Accuracy (meters):
50-100
Habitat Type:
Riparian - Areas Along lake or stream
Habitat Type Notes:
Beaver-influenced wetland upstream from Lake Johnson Road and inlet to Lake Johnson. Significant inundation/open water due to beaver activity (there was a beaver dam just upstream from the road culvert that raised the water level by several feet). Vegetation in upstream portion includes grasses, sedges, and willow trees.
Elevation (meters):
185
Area Searched (hectares):
1
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:
Sky glow from Spartanburg, accentuated by clouds.
Observation
Observation Type:
Flashing
Number Observed:
2-10
Genus:
Photuris
Species:
forresti
Observation Notes:
Photographs are of a possible P. forresti female, because I was unable to capture a displaying male. Dark, fuzzy elytra with no elytral vittae. Dark-colored hind coxae.
Specimen Voucher Number:
Flash Behavior
First Flash Time:
22:08
Last Flash Time:
22:09
First Flash Temp (F):
81.1
Last Flash Temp (F):
81.1
Flashes in Pattern:
>4
Flash Color:
Green
Flash Pattern Period:
Not observed
Flash Duration:
Unable to measure
Flash Interval:
Unable to measure
Male Height Zone:
Low (0-3 ft), Moderate (3-8 ft)
Flash Location:
Flashes were observed at a moderate height toward the north end of the open beaver wetland, among scattered willow trees.
Male Flash Behavior:
Only observed two or three Loopy Five Flash patterns (5-7 rising and falling in a vertical space). Observing for another 40 minutes only yielded observations of possible females. Few flashes of any species or type were observed in the upstream wetland during my survey. (During a 60 second period at 10:38, I only counted 4-5 flashes total.)
Female Flash Behavior:
Photographed a forresti-like female that had flashed dimly about 5 times from the grass under willow trees.
