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Black Leafhopper
Mottled Black Leafhopper
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She-oak Leafhopper I
She-oak Leafhopper II 
Paperbark Leafhopper 
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Two-lined Gum-leafhopper 
Green Gum-leafhopper
Mottled-head Gum-leafhopper 

Lantana Treehopper
Banksia Treehopper
Green Horned Treehopper
Brown Horned Treehopper 
Acacia Horned Treehopper
Tri-horned Treehopper

Other Hoppers

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Gum-Leafhoppers - Subfamily Eurymelinae

Family Cicadellidae

This page contains pictures and information about Gum-Leafhoppers in subfamily Eurymelinae that we found in the Brisbane area, Queensland, Australia.
Gum-Leafhoppers in subfamily Eurymelinae haves only one or a few spines on hind legs.
Once this group of Gum-leafhopper species are classified as the family Eurymelidae. They are now classified as a subfamily of the Cicadellidae. Most are found only on Eucalypts and a few on Casuarina. They are confined to Australia and the near-by area.
Many species in this family are brightly coloured or predominantly black. Their head is relatively wide and flat with ocelli in the front. There are only one or a few spines on hind legs.
They often stay in groups feeding on young stems of eucalypt. Some species are solitary. Nymphs and adults feed by sucking the sap of the host tree.
Gum-leafhoppers are from small to medium in size. Eggs are laid in batches in parallel slits in twigs on food plants. The eggs slits are sealed with a secretion produced by the females. As most other bugs in Order Hemiptera, there are five nymph and one adult stages in their life cycle.  
Sometimes there are the black moss surrounds the Gum-leafhoppers. This is the airborne fungal disease, sooty mould (Fumago vagans), which is often associated with the honeydew that the gum-leafhoppers excreted.
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Eurymelinae nymph, they don't jump                      Wide and flat head with ocelli in the front              Attended by ants
Unlike most other leafhopper nymphs, Eurymelinae nymphs do not jump. They avoid predators by running around the twig or branch. The nymphs always live in group. Both adults and nymphs are often attended by ants.
Those ants surround them come for their excretion of 'honey-dew', which is the excess sugar that the treehoppers do not need. The presence of ants discourage predators. This becomes a kind of protection from the ants.
Those Gum-leafhoppers we found are in two tribes, classified as follows;

wpe15.jpg (31592 bytes)Tribe Eurymelini - Black Gum-leafhoppers
The Eurymelini are only found on eucalypts, so their common name Gum-leafhoppers. They are brightly coloured or predominantly black. 

DSC_0821.jpg (115424 bytes)Tribe Ipoini - Brown Gum-leafhoppers
Ipoini treehoppers are relatively small in size. They are usually dull in colour with mottled patterns. They mostly feed on eucalypts but some are on other plants. 

Unknown Gum-leafhoppers

Unknown Gum-leafhopper Nymph I
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? sp., body length 8mm
Pictures were taken in Karawatha Forest on early summer. Dr. Murray Fletcher sent us email and advised that this nymph looks like a member of the Eurymelinae.
Unknown Gum-leafhopper Nymph II
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1. Subfamily Eurymelinae, Tribe Eurymelini -  Fletcher, M.J. (2009 and updates). Identification keys and checklists for the leafhoppers, planthoppers and their relatives occurring in Australia and neighbouring areas (Hemiptera: Auchenorrhyncha).
2. Insects of Australia, CSIRO, Division of Entomology, Melbourne University Press, 2nd Edition 1991, pp 473.
3. Forest Health Sheet Leafhoppers - By Charlma Phillips, Forest Health Scientist, ForestrySA , Revised June 1992.
4. The leafhoppers and froghoppers of Australia and New Zealand (Homoptera: Cicadelloidea and Cercopoidea) - J W Evans, Australian Museum, 1966, p29.
5. Northern Territory Insects, A Comprehensive Guide CD - Graham Brown, 2009.

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Last updated: March 24, 2012.