INHERITANCE OF REDUCED-EYE IN THE GRASSHOPPER MELANOPLUS SANGUINIPES

Abstract

The inheritance of an eye abnormality, reduced-eye, is described in the migratory grasshopper Melanoplus sanguinipes (Fabricius). Phenotypically, the compound eyes are flat and narrow and greatly reduced in size. Facets are absent. Pleiotropic effects include a crease in the vertex of the head, the absence of ocelli and low viability. Data from crosses suggest that reduced-eye is monogenically controlled and is due to an autosomal recessive.