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Observation: Pyractomena
Primary Observer:
Reagan Montalvo
Event Date:
2025-07-07
Status:
Unverified
Survey
Site Name:
Jacks Lake at Sweetwater Creek State Park
Province/State:
Georgia
Event Date:
2025-07-07
Time of Day:
Night-Time
Start Time:
20:41
End Time:
22:50
Number of Observers:
9
Primary Observer:
Reagan Montalvo
Additional Observers:
Amaad, Suzi, Adrian, Emily, Mason, Aurora, Austin, Aiden
Target Species Genus:
Photinus
Target Species Species:
acuminatus
Location and Habitat
Location Accuracy (meters):
50-100
Habitat Type:
Riparian - Areas Along lake or stream
Habitat Type Notes:
Edge of lake, full ground cover, microstegium, edge canopy of alder, "sticky" grass at water's edge, sweetgum and maple
Elevation (meters):
255
Area Searched (hectares):
2
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:
Observation
Observation Type:
Non-Flashing
Number Observed:
1
Genus:
Pyractomena
Species:
unknown
Observation Notes:
This one Adrian had in her net and didn't realize until we were on the trail. We took it out and took pictures, but have no flash pattern information.
Specimen Voucher Number:
Flash Behavior
First Flash Time:
Last Flash Time:
First Flash Temp (F):
Last Flash Temp (F):
Flashes in Pattern:
Flash Color:
Flash Pattern Period:
Flash Duration:
Flash Interval:
Male Height Zone:
Flash Location:
Male Flash Behavior:
Female Flash Behavior:
1 thought on “Observation: Pyractomena”
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Nice observation of a male Pyractomena! This could be Pyractomena lucifera or Pyractomena marginalis, but hard to say without flash pattern details and a dissection of genitalia. The pronotum doesn’t look as elongated or rounded as it does in typical Pyr. lucifera, so if I had to guess I’d say Pyr. marginalis.