Praying Mantids
Stick Insects
Tessellated Phasmatid
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Spiny Bark Mantid - Gyromantis kraussi 

Family Amorphoscelidae

This page contains pictures and information about Spiny Bark Mantids that we found in the Brisbane area, Queensland, Australia.
Female, body length 25mm
Spiny Bark Mantid has prominent short spines on the head and pronotum. They are very hard to find for they are very well camouflaged. We found them a few times in different Eucalypt forests around Brisbane.
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There are two known species in genus Gyromantis, the G. kraussi and G. occidentalis. The later only found in north of Western Australia. So we believed the species we found in Brisbane is the G. kraussi.


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Male body length 20mm 
Later in the end of the summer, in Alexandra Hill on a large gum tree trunk. we found this silvery-grey Bark Mantid. This mantid has larger developing wing buds, i.e., it could be the male nymph. 
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This mantid has pinkly-red patches on inter forelegs.
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Female body length 20mm 
Another Spiny Bark Mantid found in Karawatha Forest. This one has smaller wing bud but larger abdomen. We believed it is a female.
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Female Adult

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Hunting on gun tree trunk. This mantid is slow moving even when disturbed.
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This female adult has the fully developed wings, although too small for her to fly. In this Bark Mantids family only male can fly.
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Female lay eggs in oothecae, which is long and narrow and is attached to tree trunks.
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Male Adult

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Body length 30mm
Adult males are fully winged. They are even harder to find. We found the male only once in Karawatha Forest. It was hunting on a large smooth bark gum tree trunk. It was late summer Feb 2008.
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Reference and links:
1. Insects of Australia, CSIRO, Division of Entomology, Melbourne University Press, 2nd Edition 1991, pp 353.
2. Gyromantis - Tree of Life Project, 2005
3. Gyromantis Giglio-Tos, 1913 - Australian Biological Resources Study.  

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Last updated: February 15, 2009.