beetles that come from soybeans
by Doug Johnson, Extension Entomologist. University of Kentucky College of Agriculture. Bean leaf beetles (BLB) can be found in most soybean fields every year but economic damage is rare. These beetles are present from the time plants emerge until maturity. BLB are important pests only from seedling emergence until the first trifoliate leaf has unrolled and again during pod fill.
Appearance and Life History. The soybean aphid, a native of Asia, has been in the Midwest since 2000 and has quickly become the most serious pest of soybeans in much of Indiana. These aphids are small (less than 1/16 in length), yellow-bodied insects with distinct black cornicles, and may be either winged or wingless.