Observation: Photuris

Observation: Photuris

Primary Observer:

Michelle Wilcox

Event Date:

2025-05-29

Status:

Unverified

Survey

Site Name:

Colonels' Creek beaver impoundment TA17A

Province/State:

South Carolina

Event Date:

2025-05-29

Time of Day:

Night-Time

Start Time:

20:29

End Time:

23:00

Number of Observers:

2

Primary Observer:

Michelle Wilcox

Additional Observers:

Thomas Clawson

Target Species Genus:

Photuris

Target Species Species:

forresti

Location and Habitat

Location Accuracy (meters):

0-25

Habitat Type:

Open Freshwater Wetland - Wetland Bog, fen, freshwater marsh

Habitat Type Notes:

Beaver Pond. Loblolly and Longleaf pines. Sweet and Red Bays, Ilex glabra, oaks, Cyrilla racemiflora (Titi), Persimmon, Rhus copalanum (winged sumac), Gallberry, Magnolia virginiana, Smilax, Dogwood, Pond Lilly, Cat tails, Sedges, red maple, broadleaf arrowhead

Elevation (meters):

72

Area Searched (hectares):

0.3

Artificial Light Sources

Vehicles: No
Street Lights: No
Buildings: Yes
city glow from Columbia

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

Artificial Light Notes:

 

Observation

Observation Type:

Flashing

Number Observed:

11-50

Genus:

Photuris

Species:

unknown

Observation Notes:

Closest guess is 'Treetops' Photuris "primitive unnamed" one of versicolor complex?

Specimen Voucher Number:

Flash Behavior

First Flash Time:

20:57

Last Flash Time:

21:40

First Flash Temp (F):

69

Last Flash Temp (F):

69

Flashes in Pattern:

1

Flash Color:

Yellow

Flash Pattern Period:

5.5

Flash Duration:

0.5

Flash Interval:

5

Male Height Zone:

Moderate (3-8 ft), High (over 8 ft)

Flash Location:

Over water, over bare land, in trees.

Male Flash Behavior:

Every five seconds as he moves horizontally. Started to flash every 10-12 seconds before they warmed up.

Female Flash Behavior:

 

Leave a Comment

Connect

Sign up for our newsletter to receive updates.

Follow

Follow the Xerces Society.

Share

Share this page.

Support

Support the Xerces Society's conservation work.

This is a project of the Xerces Society, working in collaboration with the IUCN SSC Firefly Specialist Group and New Mexico BioPark Society.

Copyright © 2025 The Xerces Society •1631 NE Broadway Street, #821 • Portland OR 97232 USA