Observation: Photuris pensylvanica

Observation: Photuris pensylvanica

Primary Observer:

James Shelton

Event Date:

2026-06-17

Status:

Unreviewed

Survey

Site Name:

Undisclosed

Province/State:

Virginia

Event Date:

2026-06-17

Time of Day:

Day-Time

Start Time:

21:10

End Time:

21:25

Number of Observers:

1

Primary Observer:

James Shelton

Additional Observers:

 

target_species_genus:

photuris

target_species_species:

pensylvanica

Location and Habitat

Location Accuracy (meters):

0-25

Habitat Type:

Riparian - Areas Along lake or stream

Habitat Type Notes:

Occasionally mowed with a push mower but not this year. Shrubs and fringed tree next to mature forest.

Elevation (meters):

250

Area Searched (hectares):

0.1

Artificial Light Sources

Vehicles: No
Street Lights: No
Buildings: Yes

Artificial Light Types

Sky Glow (diffuse illumination in the sky): No
Light Trespass (light cast on surfaces beyond its intended target): Yes
Glare (bright light causing visual discomfort): No

Artificial Light Notes:

House lights dark. Light for nearby houses

Observation

Observation Type:

With Flash Data

Number Observed:

2-10

genus:

photuris

Species:

pensylvanica

Observation Notes:

Didn’t catch.

Specimen Voucher Number:

Flash Behavior

First Flash Time:

21:14

Last Flash Time:

21:25

First Flash Temp (F):

77

Last Flash Temp (F):

76

Flashes in Pattern:

3

Flash Color:

Green

Flash Pattern Period:

3

Flash Duration:

0.25

Flash Interval:

1

Male Height Zone:

High (over 8 ft)

Flash Location:

Most were very high. One went in a line right next to me. I did not see that one that well.

Male Flash Behavior:

Three flashes then a dark period. I had seen the ones that flash every 5.5 seconds yesterday.

Female Flash Behavior:

Didn’t see.

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