Plathypena scabra
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Author(s): Adam Sisson, Iowa State University
Source: IPM Images
Plathypena scabra (Fabricius, 1798) - (green cloverworm)
This moth is common and widely distributed in North America, where it can be a defoliator of soybean and other legumes. However, significant damage might not translate into large yield losses in soybean. The economic threshold is usually given at around 30% defoliation before flowering and 20% after flowering.
In spring, adults emerge from overwintering pupae and females lay eggs after mating. the larvae feed for around 1 month and then drop to the ground and pupate in the soil or in leaf litter. There are typically 2 generations per year. The caterpillars are light green with whitish stripes along the sides. The adult moth is dark brown with lighter areas on the wings.
| Vernacular names | |
|---|---|
| • English: | green cloverworm |
| • Français: | noctuelle des légumineuses |
Synonyms:
Hypena scabra
- Other images of Plathypena scabra (IPM Images - click to enlarge)
on soybean
pseudolegs of larva
adult
