Exosphaeroma russellhansoni Wall, Bruce & Wetzer, 2015

Khalaji-Pirbalouty, Valiallah & Gagnon, Jean-Marc, 2023, Illustrated catalogue of sphaeromatoid isopods (Crustacea, Malacostraca) in the Canadian Museum of Nature (CMN), Zoosystematics and Evolution 99 (2), pp. 375-389 : 375

Exosphaeroma russellhansoni Wall, Bruce & Wetzer, 2015

Figs 2H , 3A, B

Exosphaeroma russellhansoni Wall, Bruce & Wetzer, 2015: 28-33, figs 9-12.

Type locality.

Washington, Puget Sound, Seattle, Smith Cove.

Material examined.

Canada. 15 ♂♂ (up to 6.2 mm); British Columbia, Esquimalt Land Distr., Esquimalt ; 30 July 1970; E.L. Bousfield leg.; CMNC 1984-1465 . 2 ♂♂ (5.1, 5.5 mm); British Columbia, Queen Charlotte Islands Land Distr., Yakan Pt. ; 25 Aug. 1975; E.L. Bousfield leg.; CMNC 1984-1445 . 3 ♂♂ (up to 6 mm); Land Distr., Graham Island ; 11 Aug. 1975; E.L. Bousfield leg.; CMNC 1984-1447 . 4 ♂♂ (up to 5.8 mm), 2 ♀♀ (up to 4.8 mm); British Columbia, Range 3 Coast Land Distr., Princess Royal Island ; 20 July 1964; E.L. Bousfield leg.; CMNC 1984-1448 . 5 ♂♂ (up to 6.5 mm), 2 ♀♀ (up to 4.8 mm); British Columbia, Metchosin Land Distr., Witty's Lagoon ; 28 July 1964; E.L. Bousfield leg.; CMNC 1984-1449 . 16 ♂♂ (up to 6 mm), 3 ♀♀ (up to 5 mm); British Columbia, Range 3 Coast Land Distr., Lady Douglas Island ; 9 July 1964; E.L. Bousfield leg.; CMNC 1984-1452 . 4 ♂♂ (up to 6.1 mm), 4 ♀♀ (up to 4.1 mm); British Columbia, Range 3 Coast Land Distr., Miles Island ; 5 Aug. 1964; E.L. Bousfield leg.; CMNC 1984-1452 . 2 ♂♂ (up to 6.5 mm); British Columbia, Range 5 Coast Land Distr., Stephens Island ; 12 July 1964; E.L. Bousfield leg.; CMNC 1984-1455 . 4 ♂♂ (up to 6.8 mm), 1 ♀ (5.5 mm); British Columbia, Rupert Land Distr. ; 7 Aug. 1959; E.L. Bousfield leg.; CMNC 1984-1461 . 6 ♂♂ (up to 6.1 mm), 3 ♀♀ (up to 5 mm); British Columbia, Vancouver Island, Barclay Land Distr. ; 8 September 1975; E.L. Bousfield leg.; CMNC 1984-1463 . USA. 10 ♂♂ (up to 6.5 mm); Washington, Jefferson Co. (WA), Marrowstone Island ; 26 July1966; E.L. Bousfield leg.; CMNC 1984-1456 .

Figures

Figure 2. Dynamene dilatata Richardson, 1899, female, (CMNC 1991 - 2567). A. Lateral view; B. Dorsal view; C. Dynamenella sheareri (Hatch, 1947), male, (CMNC 1990 - 0070); D. Dynoides canadensis Khalaji-Pirbalouty & Gagnon, 2021, (CMNC 1985 - 0667 b). Exosphaeroma gigas (Leach, 1818), male, (CMNC 1990 - 0090); E. Dorsal view; F. Lateral view. Exosphaeroma rhomburum (Richardson, 1899), male, (CMNC 1991 - 2559); H. Exosphaeroma russellhansoni Wall, Bruce & Wetzer, 2015, male, (CMNC 1984 - 1465).

Figure 3. Exosphaeroma russellhansoni Wall, Bruce & Wetzer, 2015, male, (CMNC 1984 - 1465). A. Lateral view; B. Ventral view. Exosphaeroma studeri Vanhoeffen, 1914, male, (CMNC 023 - 0242); C. Dorsal view; D. Lateral view. Gnorimosphaeroma oregonense (Dana, 1853), male, (CMNC 1985 - 0715); E. Dorsal view; F. Lateral view. Ischyromene menziesi (Sivertsen & Holthuis, 1980), male, (CMNC 1985 - 0652); G. Dorsal view; H. Pleotelson, dorsal view.