Laboulbeniales (Ascomycota) of the Boston Harbor Islands I: species parasitizing Coccinellidae and Staphylinidae, with comments on typification.

This paper, based on a recent comprehensive sampling of insects, is the firstreport of Laboulbeniales from the New England region since the 1930s. We present 7 newrecords of laboulbenialean parasites on Staphylinidae (rove beetles) and Coccinellidae (ladybeetles) from the Boston Harbor Islands National Recreation Area. These are Clonophoromycesnipponicus Terada & I.I. Tav., Hesperomyces virescens Thaxt., Ilyomyces cf. maireiF. Picard, Laboulbenia philonthi Thaxt., Peyritschiella protea Thaxt., Stichomyces conosomatisThaxt., and Teratomyces actobii Thaxt. One of these parasite species, C. nipponicus,has not been found previously outside of its type locality in Japan. Examination of RolandThaxter’s 1891–1932 slides led to the designation of lectotypes for L. philonthi, P. protea,S. conosomatis, and T. actobii. The following synonymy is established: Teratomyces brevicaulisThaxt. = T. actobii. In addition, we discovered new localities for H. virescens (fromCanada, Cuba, Guatemala, and Japan) and L. philonthi (from Canada, Grenada, Panama,Trinidad, and Venezuela).

Publication year:2015