Observation: Photuris congener

Observation: Photuris congener

Primary Observer:

GA DNR

Event Date:

2026-04-09

Status:

Verified

Survey

Site Name:

Glory Beach Boardwalk

Province/State:

Georgia

Event Date:

2026-04-09

Time of Day:

Night-Time

Start Time:

22:00

End Time:

23:30

Number of Observers:

7

Primary Observer:

GA DNR

Additional Observers:

Reagan, Alex Anne, Andrew, Josie, Anna, Lance, and Alia.

target_species_genus:

photinus

target_species_species:

umbratus

Location and Habitat

Location Accuracy (meters):

25-50

Habitat Type:

Woodland/Forest - Trees dominant, and in the over-story

Habitat Type Notes:

Boardwalk with trees and shrubs right next to the ocean.

Elevation (meters):

4

Area Searched (hectares):

1

Artificial Light Sources

Vehicles: No
Street Lights: No
Buildings: No

Artificial Light Types

Sky Glow (diffuse illumination in the sky): 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:

With Flash Data

Number Observed:

11-50

genus:

photuris

Species:

congener

Observation Notes:

Alex Anne's voice recording.

Specimen Voucher Number:

21

Flash Behavior

First Flash Time:

22:15

Last Flash Time:

23:30

First Flash Temp (F):

66

Last Flash Temp (F):

66

Flashes in Pattern:

1

Flash Color:

White

Flash Pattern Period:

0.93

Flash Duration:

0.32

Flash Interval:

0.68

Male Height Zone:

Low (0-3 ft)

Flash Location:

Was low to the ground and then flew towards the dune.

Male Flash Behavior:

Continuous single flashing (17+ flashes)

Female Flash Behavior:

 

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