Survival of Coelaenomenodera lameensis (Coleoptera: Chrysomelidae) in Relation to the Physical Characteristics of Different Oil Palm (Elaeis sp.) Breeding Populations.

2 ). For the transition of first- and second-instar larvae to the third- and fourth-instar larvae, the results calculated for the last two sampling operations showed a highly significant difference in the average percentage of individuals passing to third- and fourth-instar larvae between the La Mé origin and the PO 6271 backcross on the one hand (87% and 79%) and the two E. oleifera breeding populations on the other hand (0% for the South America origin and 2.8% for the Brazil origin).

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