Blatta orientalis, U.S.A., Massachusetts (Thaxter, 1902, 1908); Locality? (Spegazzini, 1915); France? (Picard, 1913).
Periplaneta americana, Bermuda and U.S.A., Massachusetts (Thaxter, 1902, 1908); Plains of Biajar, Italian Somaliland, and Argentina (Spegazzini, 1915, 1917).
Periplaneta australasiae, Bermuda (Thaxter, 1902, 1908).
Periplaneta brunnea, Brazil (Thaxter, 1931).
Periplaneta sp., Mexico, West Indies, Panama, Brazil, Africa, South Seas, and China (Thaxter, 1902, 1908).
Cockroaches, Belgium (Collart, 1947).
Additional locality records: Grenada, Trinidad, B.W.I., and Tangier (Thaxter, 1931).
The fungus was found growing on spines, tegmina, integument, and antennae, at times abundantly.
Experimental hosts.—All the following data are from Richards and Smith (1954):
Blatta orientalis: A few plants matured.