Brochymena or Rough Stink Bug- Order Heteroptera- L= adult 1/2" to 5/8". Stink bug shaped, brown to mottled gray, dull and roughly pebbled. Long head with antennae are located far in front of the compound eyes. Brochymena like to eat juicy caterpillars and other soft insects by sucking out the juice, using their piercing and sucking mouthparts. They are considered a beneficial insect because they help control troublesome caterpillars and other insect pests.