Worldwide distribution. On eggplant, potato, tomato, and weeds. Several types. Occasionally important.
Eggs laid in soil; larvae tunnel through roots or stems, pupating in the soil; adults, 3.5-4 mm, shiny dark green or blue. Fly and jump. Small holes made in leaves, sometimes severe. Can kill seedlings.
Cultural control: avoid overlapping crops, leave at least 3 months between crops; fertilizers and manures to promote growth; weed; crop rotation; collect trash and burn after harvest.
Chemical control: PDPs: derris, pyrethrum, or chilli, or synthetic pyrethroids.