Observation: Photinus pyralis

Observation: Photinus pyralis

Primary Observer:

Emily Geest

Event Date:

2023-06-28

Status:

Unreviewed

Survey

Site Name:

 

Province/State:

Oklahoma

Event Date:

2023-06-28

Time of Day:

Night-Time

Start Time:

20:30

End Time:

22:00

Number of Observers:

10

Primary Observer:

Emily Geest

Additional Observers:

Kelly Dillow, Heaven Clark, Gretchen Cole, Jerry Chrisope, Jennifer DiAgostino, Logan Sullivan, Rachael Robinson, Jordan Hoven, Rebecca Snyder, Rory Lawson

Target Species Genus:

Photuris

Target Species Species:

hebes

Location and Habitat

Location Accuracy (meters):

0-25

Habitat Type:

Developed - Sub/urban areas; parks/gardens

Habitat Type Notes:

Zoo area with cultivated gardens that backs into a lake and wooded area.

Elevation (meters):

366

Area Searched (hectares):

1.46

Artificial Light Sources

Vehicles: Yes
Street Lights: Yes
Buildings: Yes

Artificial Light Types

Sky Glow (diffuse illumination in the sky): Yes
Light Trespass (light cast on surfaces beyond its intended target): Yes
Glare (bright light causing visual discomfort): Yes

Artificial Light Notes:

 

Observation

Observation Type:

Flashing

Number Observed:

11-50

Genus:

Photinus

Species:

pyralis

Observation Notes:

Found a pair mating. Note photo was taken under a red light, so image has an odd tint to it.

Specimen Voucher Number:

Flash Behavior

First Flash Time:

21:05

Last Flash Time:

21:55

First Flash Temp (F):

91

Last Flash Temp (F):

89

Flashes in Pattern:

1

Flash Color:

Yellow

Flash Pattern Period:

1

Flash Duration:

1

Flash Interval:

0

Male Height Zone:

Low (0-3 ft), Moderate (3-8 ft)

Flash Location:

Found a pair on a leaf at moderate height.

Male Flash Behavior:

1 flash about every 3.5 seconds. Stationary (joined to female). Flash was yellow was a hint of green depending on moonlight/artificial light reaching area of observation.

Female Flash Behavior:

1 short faint glow. Stationary. One flash every few seconds (while joined to male).

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