Category Archives: Etiella

Etiella in mungbeans and soybeans – do we manage the threat or the pest?

There is an understandable level of concern about how best to manage etiella (Etiella behrii) in summer mungbean crops following the unexpectedly high etiella infestations (and corresponding seed damage and contamination) in spring mungbean crops on the Downs and in Central Queensland and North Western New South Wales. Responding to the etiella threat without reacting prematurely and creating more pest… Read more »

Etiella alert for mungbean on the Darling Downs, Goondiwindi and Northern NSW growing regions

A significant etiella outbreak was recently reported in pod-filling mungbean in the Moree region of North Western NSW. In this particular crop, it is estimated that etiella larvae have infested pods on 50% of plants. Etiella eggs, at low densities, were also recently observed in an early flowering crop near Bungunya (west of Goondiwindi, Qld).

Pod and stem boring pests of soybean – an update

The 2013/14 soybean growing season has been challenging for many growers with very low rainfall and high temperatures until late March. Crop stress was sometimes wrongly attributed to insect pests although a number of crops were infested with more unusual pests such as etiella. The high temperatures also increased the impact of lucerne crown borer in infested crops.

Etiella on the move again

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Background: Significant etiella outbreaks have recently been reported in soybeans and mungbeans on the Darling Downs, in the South Burnett (SE Qld) and in the Moree and NorthernRivers regions of NSW. In some soybean crops on the Downs, 100% of plants were infested and 72% of axilliary buds damaged to varying degrees. These outbreaks are similar but more widespread than… Read more »

Etiella outbreak in vegetative soybeans on the Darling Downs

Etiella (Etiella behrii) larvae have been observed in significant numbers (up to 10 larvae per square metre) in vegetative soybean crops in the Cecil Plains/ Pampas regions of the Darling Downs, and in low numbers (<1/sqm) in a DAFF soybean trial at Kingaroy. These infestations are likely due to the current hot and dry seasonal conditions which historically favour increased… Read more »