Difference between revisions of "Spodoptera eridania"
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{{LiteratureDB|{{PAGENAME}}|browse,crops,benefialsN}} | {{LiteratureDB|{{PAGENAME}}|browse,crops,benefialsN}} | ||
[[File:IPMimage1857061.jpg|275px|thumb|''Spodoptera eridania'' larvae on cotton (different color forms) (click on image to enlarge it)<br/>Author(s): Ronald Smith, Auburn University<br/>Source: [http://www.ipmimages.org/browse/detail.cfm?imgnum=1857061 IPM Images]]] | [[File:IPMimage1857061.jpg|275px|thumb|''Spodoptera eridania'' larvae on cotton (different color forms) (click on image to enlarge it)<br/>Author(s): Ronald Smith, Auburn University<br/>Source: [http://www.ipmimages.org/browse/detail.cfm?imgnum=1857061 IPM Images]]] | ||
| − | <font color="#800000">'''''Spodoptera eridania'''''</font> (Stoll, 1782) - (southern armyworm) | + | <font color="#800000">'''''Spodoptera eridania'''''</font> (Stoll, 1782) - (southern armyworm) |
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The species is a polyphagous pest which attacks crops like soybean, sweet potato or tomato. Outbreaks and defoliation of crops have been observed. The species is found in tropical and subtropical parts of America. | The species is a polyphagous pest which attacks crops like soybean, sweet potato or tomato. Outbreaks and defoliation of crops have been observed. The species is found in tropical and subtropical parts of America. | ||
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The larvae are green, grey or black in colour with several longitudinal white or yellow stripes. The adults have a wingspan of around 3.5 cm. The forewings are gray to brown with irregular marks. | The larvae are green, grey or black in colour with several longitudinal white or yellow stripes. The adults have a wingspan of around 3.5 cm. The forewings are gray to brown with irregular marks. | ||
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<gallery widths=200px caption="Other images of Spodoptera eridania (IPM Images - click to enlarge)"> | <gallery widths=200px caption="Other images of Spodoptera eridania (IPM Images - click to enlarge)"> | ||
Revision as of 17:48, 31 July 2015
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Spodoptera eridania larvae on cotton (different color forms) (click on image to enlarge it)
Author(s): Ronald Smith, Auburn University
Source: IPM Images
Author(s): Ronald Smith, Auburn University
Source: IPM Images
Spodoptera eridania (Stoll, 1782) - (southern armyworm)
The species is a polyphagous pest which attacks crops like soybean, sweet potato or tomato. Outbreaks and defoliation of crops have been observed. The species is found in tropical and subtropical parts of America.
Development from egg to adult lasts 4-6 weeks, involving 6 larval instars. Pupation takes place in the soil at a depth of 5-10 cm. There are around 4 generations per year. For management foliar insecticides are used.
| Vernacular names | |
|---|---|
| • English: | southern armyworm |
| • Español: | gusano negro |
| • Português: | lagarta-das-vagens-da-soja |
The larvae are green, grey or black in colour with several longitudinal white or yellow stripes. The adults have a wingspan of around 3.5 cm. The forewings are gray to brown with irregular marks.
- Other images of Spodoptera eridania (IPM Images - click to enlarge)
larvae on cotton boll
early instar larvae on cotton
adult
