Pallicephala pachyceras (Williston)

Gibson, Joel F. & Cannings, Robert A., 2025, The Stiletto Flies (Diptera: Therevidae) of British Columbia, Yukon, and Alaska, Zootaxa 5618 (4), pp. 481-508 : 491

publication ID	https://doi.org/10.11646/zootaxa.5618.4.2
publication LSID	lsid:zoobank.org:pub:FBDA7E17-7857-43FC-A87B-6044C6044860
DOI	https://doi.org/10.5281/zenodo.15218716
persistent identifier	https://treatment.plazi.org/id/F94187BB-042B-FF9A-559E-FF6AFBA3110D
treatment provided by	Plazi
scientific name	Pallicephala pachyceras (Williston)
status

Treatment

Pallicephala pachyceras (Williston) View in CoL

( Fig. 7 View FIGURES 6–13 )

Specimens examined (8). BC: Buttle Lake, Flower Ridge; Hope, Hunter Creek; Parksville. RBCM.

Database and literature records (5). BC: Agassiz, Duncan, Vancouver (all as P. willistoni ). CNCI, Webb & Irwin (1991).

iNaturalist records (1). BC: Lake Cowichan (iNat 51032384, as P. willistoni ) ( Fig. 7 View FIGURES 6–13 ).

Conservation status. BC: S3S5. YT: SNR.

Distributional notes. In British Columbia, P. pachyceras is uncommon but widespread on the south coast from southeastern Vancouver Island (Buttle Lake, Parksville) east to the Fraser Valley (Hope).

Ecoprovinces and other designations. BC: Georgia Depression.

Range. Cordilleran. British Columbia south to California ( Webb et al. 2013).

Biological notes. Flight period: 22 April–23 August. On riparian sand and dunes.