Kuschel, G. 1961. Composition and relationship of the terrestrial fauna of Easter, Juan Fernandez, Desventuradas, and Galapagos Islands [Scolytidae, Platypodidae, p. 92]. Tenth Pacific Science Congress, Honolulu 1961:79-95 [erroneous, not found in place cited] [also listed as: California Academy of Science, Occasional Papers 44:79-95].