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- Unlike other ladybird beetles, all species in this tribe Epilachnini
are phytophagous, i.e., both larvae and adults feed on plants. Usually the adults
feed on the upper surface of leaves, while the larvae feeds on the lower
surface. Some are pests on agricultural crops such as potatoes, pumpkin,
turnips, radishes, beans and spinach.
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- The larvae of Epilachninie can be distinguished from other ladybirds by
their long branched spines on the back and sides.
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- 26-spotted Potato
Ladybird
 - Epilachna vigintisexpunctata (synonym Henosepilachna
vigintisexpunctata), body length 7mm
- This 26-spotted Potato
Ladybird looks very similar to the 28-spotted Potato
Ladybird, can only be distinguished by counting the black spots on their
body. The 26-spotted Potato
Ladybird is less common in Brisbane.
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- 28-spotted Potato
Ladybird
 - Epilachna vigintioctopunctata (synonym Henosepilachna
vigintioctopunctata), larva body length 7mm, adult body length 7mm
- This ladybird is mostly found on potato leaves. They are relatively
larger than other species. The adults are orange in colour. Carefully
counted, there were 13 black spots on each wing cover and two spots on thorax,
i.e. 28-spotted in total. There were the dense short hairs on its body. More
information and pictures can be found on this page.
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- Reference:
- 1. Insects
of Australia, CSIRO, Division of Entomology, Melbourne University
Press, 2nd Edition 1991, pp 658.
- 2. Genera
of Coccinellidae - The University of Queensland Insect Collection,
2004.
- 3. Australian Ladybird Beetles
(Coleoptera: Coccinellidae) Their biology and
classification - A.Ślipiński, Australian Biological Resources,
2007, p182.
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[ Up ] [ Ladybirds Field Guide ] [ Tribe Chilocorini ] [ Tribe Diomini ] [ Tribe Coccidulini ] [ Tribe Coccinellini ] [ Tribe Epilachnini ] [ Other Ladybirds ]
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