Observation: Photuris

Observation: Photuris

Primary Observer:

Richard Joyce

Event Date:

2023-08-10

Status:

Unreviewed

Survey

Site Name:

Davis Mountains State Park- Limpia Creek

Province/State:

Texas

Event Date:

2023-08-10

Time of Day:

Night-Time

Start Time:

20:49

End Time:

23:59

Number of Observers:

4

Primary Observer:

Richard Joyce

Additional Observers:

Candace Fallon, Ross Winton, Lee Smith

Target Species Genus:

Photuris

Target Species Species:

flavicollis

Location and Habitat

Location Accuracy (meters):

25-50

Habitat Type:

Riparian - Areas Along lake or stream

Habitat Type Notes:

The surveyed habitat was the riparian zone of Limpia Creek, which included areas with tree cover, shrub cover, and grasses. The creek bed was mostly dry, with a few areas of standing water. On the Texas Ecosystem Analytical Mapper, the area is mapped as Trans-Pecos: Lower Montane Riparian Shrubland. Plant species included cottonwood (Populus), willow (Salix), walnut (Juglans), Juniperus, Emory oak (Quercus emoryi), Muhly grass (Muhlenbergia sp.), Sideoats Grama (Bouteloua curtipendula), Setaria, Aloysia, blue stem (Bothriochloa), and desert willow (Chilopsis linearis).

Elevation (meters):

1497

Area Searched (hectares):

3

Artificial Light Sources

Vehicles: Yes
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): Yes
Glare (bright light causing visual discomfort): Yes

Artificial Light Notes:

At the edges of the riparian habitat there was occasional glare and light trespass from vehicles on TX 118.

Observation

Observation Type:

Non-Flashing

Number Observed:

1

Genus:

Photuris

Species:

unknown

Observation Notes:

A single Photuris larva was found by its dim glow in the pebbles and cobbles of the creek bed of Limpia Creek. This section of the creek bed did not have any flowing or standing water, but there was some moisture in the substrate where the firefly was found. Crossposted to iNaturalist: https://www.inaturalist.org/observations/178091887. Total length of the larva was about 15 mm, without the head extended.

Specimen Voucher Number:

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

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