| However, for hand harvesting, yellowjackets can be a dangerous and disruptive pest for workers and grapes alike. |
| There are no insecticides registered for commercial use on yellowjackets in grapes. |
| The fish need to be changed every other day because yellowjackets prefer unspoiled meat. |
| Some landscapes provide excellent habitats for yellowjackets, and in these areas, yellowjackets may be a perennial problem. |
| In the fields I worked in, NBER Working Papers — yellowjackets — became the principal outlet for new research. |
| Two yellowjackets have bored so far into a fruit, they rive the meat from core. |
