Spiriverpa cinerascens, Taxa Only, Exact Match: 2 Treatments

Spiriverpa cinerascens			Webb, Donald W., 2005, A revision of the Holarctic genus Spiriverpa Irwin and Lyneborg (Diptera: Therevidae: Therevinae), Zootaxa 816, pp. 1-56 : 28-29	28-29
Spiriverpa cinerascens			Gibson, Joel F. & Cannings, Robert A., 2025, The Stiletto Flies (Diptera: Therevidae) of British Columbia, Yukon, and Alaska, Zootaxa 5618 (4), pp. 481-508 : 494-495	494-495