This page includes information specific to the southern soybean production region. For general information, see also the northern region soybean page.
Insect pest risk
|High risk||Reduced risk||Low risk|
|Pod sucking bugs|
||Late soybean plantings – greater risk of podsucking bugs|
|Slugs and snails|
||Planting close to trees – more attractive to soybean moth|
|Slugs and snails*||Damaging||Damaging|
|Native budworm (H. punctigera)||Damaging||Damaging||Damaging||Damaging|
|Grass blue butterfly||Damaging||Damaging||Damaging||Damaging|
|Lucerne crown borer||Damaging||Present||Present||Damaging|
* Snails may also cause grain contamination at harvest
|Present||Present in crop but generally not damaging|
|Damaging||Crop susceptible to damage and loss.|
Soybean crops can be attacked by pests at any stage from seedling to close to harvest. Soybean leaves are more attractive to foliage-feeding pests than the leaves of other summer pulses. The crop becomes attractive to a greater range of pests from flowering onwards.
Key IPM strategies
Tolerate early damage. Minimise early season sprays to conserve beneficials.
- Use biopesticides in vegetative soybeans prior to flowering to preserve beneficials
- Consider the use of spray oils where aphid populations are low to moderate.
- Use soft options that are pest specific e.g. pirimicarb is an aphid-specific product and softer on beneficial species than broad spectrum insecticides.
- Controlling aphids with broad spectrum chemicals in the vegetative stage can flare aphids, mites, and Helicoverpa during subsequent crop stages.
- Site specific pest management. Pests such as aphids often infest the edge of a field, not the entire field. By only spraying borders where these pests occur enable the beneficial population to re-establish faster.