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Family Psyllidae
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This page contains pictures and information about Fibrous
Lerp Insects
in family Psyllidae that we
found in the Brisbane area, Queensland, Australia.
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- Glycaspis
is the largest genera in
family Psyllidae. Some Glycaspis sp. cause shallow pit galls.
Other (subgenus Synglycaspis) cause large vesiculate galls. All of them construct typical lerps and their host plants are
Eucalyptus.
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- White Lerps
Insect
 
 - Glycaspis
(Glycaspis)
fuscovena or G. eucalypti, lerp diameter 3-4mm
- The white
materials on gum leaves, known as lerps, are the coverings of insect nymphs
that live and feed underneath. The insects suck the plant sap and use the
excess starch to make those lerps. There are also the excess sugar, or the
honey dews, that make the ants like to attend them. This White Lerps Insects
can easily be found on Gum tree leaves in Brisbane. More information and
pictures please click on here.
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- White Fibrous Lerps
Insect
  - Glycaspis (Glycaspis) brimblecombei,
lerp diameter 6mm
- The nymphs live and feed beneath the lerp and
are protected by the lerps. The lerps are made from starch, derived from the
plant sap. The adults looking like a small treehopper, are without lerps. They
have the strong hind legs, they can jump and fly. Click here
for more photos and information.
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- Green Fibrous Lerps Insect
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- Glycaspis (Glycaspis)
sp. diameter 3mm
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- White Fibrous Lerps Insect II
 - Glycaspis (Glycaspis)
sp. diameter 3mm
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- White Fibrous Lerps Insect III
 - Glycaspis (Glycaspis)
sp. diameter 3mm
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- White Fibrous Lerps Insect IV
 - Glycaspis (Glycaspis)
sp. diameter 3mm
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- Reference:
- 1. Insects
of Australia - CSIRO, Division of Entomology, Melbourne University
Press, 2nd Edition 1991, p 449.
- 2. Family PSYLLIDAE - Australian Biological Resources Study, Australian Faunal Directory.
- 3. Psylloidea of South Australia - Morgan, F.D. ,Adelaide, South Australia, Government Printer, 1984.
- 4. Psyl'list - The World Psylloidea Database,
Ouvrard, D., searched on 1 October 2010.
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