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Aphids reduce yields by direct feeding damage which causes flower and pod abortion and occassionally plant death in lupins.
This series of video tutorials has been produced to provide advice about the best ways to monitor and sample crops to diagnose and overcome constraints to crop production.
The extent of damage varies between seasons, but losses can be severe in years that favour aphid population development.
Cockchafers belonging to the genus Heteronyx are typically not regarded as a pest of agriculture. However, two have been seen as occasional pests, with H.
Onion maggot (Delia platura, incorrectly known as bean root maggot fly) rarely affects young lupin and pea crops sown into green decomposing organic matter.
The larvae of the lucerne seed web moth (Etiella behrii - also called Etiella web moth) is an infrequent pest of peas and lupins.
Onion thrips (Thrips tabaci) and plague thrips (Thrips imagines) are 2mm long, cigar shaped and range in colour from yellow-orange to dark grey.
Weevils are beetles with long snouts that can rarely damage lupins in high rainfall areas. Species include: