PESTS OF SORGHUM :: Minor Pests :: Wingless grasshopper

19. Wingless grasshopper:  Colemania sphenaroides (Acrididae: Orthoptera)

Damage symptoms: Nymphs feed on growing plants and adult feeds on florets, ears and defoliate.

Bionomics: The adult grasshopper is wingless, greenish yellow with blue-black antennae with purple band behind the eye and laterally on thorax.  It lays eggs in batches in the soil at a depth of 6 cm during October and November. The eggs hatch in the following June and July during monsoon rain.