The Imtrader Ed.2 – Spotting Bug

Written by Mark Adams – QLD State Manager & Michael Macpherson – Imtrade National Technical Manager.


Spotting Bug is the general name used to describe the Fruit Spotting Bug (Amblypelta nitida) and the Banana Spotting Bug (A. lutescens lutescens). These insects both attack a wide variety of horticultural crops, including macadamia, avocado, custard apples, lychee, mango, passionfruit and pecans, as well as many native and ornamental fruit and nuts.

Key points

  • Adult spotting bugs can feed on fully mature nuts, as they secrete enzymes when feeding that allows them to penetrate the husk.


  • Late season damage often does not show up on macadamia husk, but the kernel has been damaged. This late season damage is often called “blind stings”.
  • A good monitoring program is critical allowing you to determine when there is activity occurring in your orchard and apply control strategies as needed.
  • Spotting bugs will continue to feed in an orchard until there isn’t any food available or a more appealing food source emerges.
  • Only small numbers of spotting bugs are required to cause significant amounts of damage.
  • The aim of a spotting bug management program is to reduce the population early in the season, so numbers do not build later in the season.


Fruit Spotting Bug Pest Cycle

Typical fruit spotting bug cycle for macadamias. Note the months indicated for a particular activity can vary depending upon seasonal weather conditions and crop growth stages.


Imtrade Tyranex Insecticide

Fruit Spotting Bug uses covered by the TYRANEX label.

Fruit Spotting Bug uses covered by Minor Use Permits.