Cratyna (Spathobdella) longispina (Pettey, 1918)

Synonym: Plastosciara (Spathobdella) tuberculata Tuomikoski, 1960 .

Literature: Cratyna (Spathobdella) tuberculata (Tuomikoski) — Menzel & Mohrig (2000): 270. Cratyna (Spathobdella) longispina (Pettey) — Mohrig et al. (2013): 198.

Habitats. Adults have been found in high mountains, at the flowers of moss campion Silene acaulis (L.) Jacq ( Caryophyllaceae) (Menzel et al. 2006).

Distribution. Known from Canada (Alberta, Nova Scotia, Ontario), Finland, Great Britain, North Korea, Norway, Sweden, USA (Maine, Montana) (Tuomikoski 1960; Mohrig et al. 1992; Menzel et al. 2006; Heller et al. 2009; Mohrig et al. 2013).

Remarks. Mohrig et al. (1992) recorded this species from North Korea under the synonym Plastosciara tuberculata Tuomikoski.