Observation: Photinus texanus

Observation: Photinus texanus

Primary Observer:

Candace Fallon

Event Date:

2024-05-15

Status:

Verified

Survey

Site Name:

Honey Creek State Natural Area

Province/State:

Texas

Event Date:

2024-05-15

Time of Day:

Night-Time

Start Time:

20:10

End Time:

21:50

Number of Observers:

3

Primary Observer:

Candace Fallon

Additional Observers:

Ben Pfeiffer, Nicholas Bloom

Target Species Genus:

Photinus

Target Species Species:

dimissus

Location and Habitat

Location Accuracy (meters):

0-25

Habitat Type:

Riparian - Areas Along lake or stream

Habitat Type Notes:

Riparian corridor dominated by bald cypress (Taxodium distichum); open upland areas composed of live oak-Ashe juniper with scattered meadows.

Elevation (meters):

362

Area Searched (hectares):

3

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:

No ALAN observed at the site. Note that much of the site had a decent canopy cover, which kept the area quite dark, even with a nearly quarter-full moon.

Observation

Observation Type:

Flashing

Number Observed:

2-10

Genus:

Photinus

Species:

texanus

Observation Notes:

Small Photinus. Pronotal stripe present from base to apex, typical of P. texanus. Slightly paler dusky elytra compared to P. dimissus.

Specimen Voucher Number:

Flash Behavior

First Flash Time:

20:40

Last Flash Time:

21:30

First Flash Temp (F):

86.2

Last Flash Temp (F):

83

Flashes in Pattern:

1

Flash Color:

White

Flash Pattern Period:

4-5

Flash Duration:

1

Flash Interval:

3-4

Male Height Zone:

Moderate (3-8 ft)

Flash Location:

Flashing above grass clumps and shrubs in wooded riparian area along Honey Creek.

Male Flash Behavior:

Quick single flashes given during flight and while perched on grasses. This particular individual was captured while flashing on grasses with approximately 5 others in nearby clumps. Initially expected to be a female because of this behavior, but turned out to be a male.

Female Flash Behavior:

Not observed

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