Degree Day Benchmarks for Sparganothis
Check out this easy to use Degree day look up table!
Fresh Sparg eggs. Generally oviposited on tops of leaves.
Nearly emerged Sparg larvae (still in egg casings).
Neonate Sparg larvae. Note first instar Sparg larvae have black head capsules.
Larva webbing together cranberry leaves/uprights to make gallery.
Larva poking head out of its silken gallery.
Prepupa
Pupa
Adult
Our research strives to make degree day calculations, which are based on developmental thresholds, useful for growers in their management decisions.
Sentinel moth cage to determine female mating frequency for mating disruption study
Annie setting up field stations for mating Sparg adults
Mating pair