Observation: Photinus alexanderi

Observation: Photinus alexanderi

Primary Observer:

Saff Killingsworth

Event Date:

2026-06-12

Status:

Unreviewed

Survey

Site Name:

Three Forks

Province/State:

Arizona

Event Date:

2026-06-12

Time of Day:

Day-Time

Start Time:

12:25

End Time:

12:24

Number of Observers:

2

Primary Observer:

Saff Killingsworth

Additional Observers:

Rachel Laura

target_species_genus:

photinus

target_species_species:

irroratus

Location and Habitat

Location Accuracy (meters):

0-25

Habitat Type:

Riparian - Areas Along lake or stream

Habitat Type Notes:

Creekside carex with willow edge. Spruce and ponderosa pine upland. Lots of beaver activity.

Elevation (meters):

2502

Area Searched (hectares):

1

Artificial Light Sources

Artificial Light Types

Artificial Light Notes:

 

Observation

Observation Type:

Without Flash Data

Number Observed:

2-10

genus:

photinus

Species:

alexanderi

Observation Notes:

Located at creek edge – lots of apparently suitable habitat but few P. alexanderi. The collection was made in a slightly drier area of carex.

Specimen Voucher Number:

Voucher: Xer_Col_12June26_02_P.a., Voucher: Xer_Col_12June26_03_P.a., Voucher: Xer_Col_12June26_04_P.a.

Flash Behavior

First Flash Time:

 

Last Flash Time:

 

First Flash Temp (F):

 

Last Flash Temp (F):

 

Flashes in Pattern:

 

Flash Color:

 

Flash Pattern Period:

 

Flash Duration:

 

Flash Interval:

 

Male Height Zone:

Flash Location:

 

Male Flash Behavior:

 

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 © 2026 The Xerces Society •1631 NE Broadway Street, #821 • Portland OR 97232 USA
Firefly logo by Ink Dwell studio; © 2020 Jane Kim