Four new species of Laboulbeniales collected on insects in New Zealand
are described and illustrated: Cucujomyces phycophilus sp.nov. parasi
tic on Macralymma brevipenne Cameron and Omaliomimus conicus (Fauvel)
(Coleoptera: Staphylinidae: Omaliinae), Diaphoromyces kuschelii sp.nov
. parasitic on Menimus spp. (Coleoptera: Tenebrionidae), Diphymyces pe
nicillifer sp.nov. parasitic on Stenomalium helmsii (Cameron) (Coleopt
era: Staphylinidae: Omaliinae), and Stigmatomyces novozelandicus sp.no
v. parasitic on Sapromyza neozealandica Tonnoir & Malloch (Diptera: La
uxanidae). All of the new species are compared with exiting taxa. In a
ddition, Smeringomyces trinitatis Thaxt., Stigmatomyces purpureus Thax
t., and S. spiralis Thaxt. are recorded from New Zealand for the first
time, and a review of the known species of Laboulbeniales from New Ze
aland is presented.