Merrett, P. J. An outbreak of Locusta migratoria (L.) (Orthoptera: Acrididae) in the Markham valley of Papua New Guinea, 1988 / P.J. Merrett and G.R. Young. - [S.l.] : [s.n.], 1995. - [6 leaves]. An article taken from Tropical Science, vol. 35, 1995, pp. 332-341. Subjects--Topical Terms: Migratory locust--Papua New Guinea.