positively regulates lamellocyte differentiation regulation of lamellocyte differentiation positive regulation of lamellocyte differentiation stimulation of lamellocyte differentiation activation of lamellocyte differentiation up regulation of lamellocyte differentiation Any process that activates or increases the frequency, rate or extent of lamellocyte differentiation. Lamellocytes differentiate massively in the lymph glands after parasitization and are large flat cells devoted to encapsulation of invaders too large to be phagocytosed by plasmatocytes. GO:0035205 biological_process up-regulation of lamellocyte differentiation upregulation of lamellocyte differentiation positive regulation of hemocyte differentiation biological regulation