Isotypus: UNITED KINGDOM. England, S. Wiltshire, Bishopsstone, The Horseshoe, 8SU077248, in bark of dead tree (probably elm), 15 Mar 1975, leg. D.W. Mitchell, DWM 1868 [one box + one slide, K-M001435018], (Fig. 6H).
Notes. According to the original publication of the species (Mitchell & Nannenga-Bremekamp 1977: 310), the holotype is in K-M000171168 (Fig. 6I) and this isotype in the Mitchell collection. There is another isotype in the Nannenga-Bremekamp collection sub no. 9315, now in BR5020061438371, and probably in the private collection of H.W. Keller.