from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Any of various insects of the order Phasmida, including the leaf insects and walking sticks, especially common in tropical areas and resembling foliage in color and form.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Any insect of the order Phasmida; the leaf insects and walking sticks
- n. Either of the two caudal chemoreceptors in some nematodes
from the GNU version of the Collaborative International Dictionary of English
- n. Any orthopterous insect of the family Phasmidæ, as a leaf insect or a stick insect.
from The Century Dictionary and Cyclopedia
- n. A member of the orthopterous family Phasmidæ.
- Having the characters of or belonging to the family Phasmidæ.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. large cylindrical or flattened mostly tropical insects with long strong legs that feed on plants; walking sticks and leaf insects
Specimens of Lord Howe Island phasmid Dryococoelus australis (Ex), a large flightless phasmatid thought to be extinct on Lord Howe Island, is known to occur still on Ball's Pyramid.
Although many are amazing in their mimicry, others simply have elongated, cryptic shapes and colors, but they do not closely resemble leaves and twigs, and are rather similar to many other non-phasmid insects see for instance some of the phasmid species in the picture below.
The oldest phasmid fossils they go back in Baltic amber to the Tertiary—i.e., about 50 million years ago look identical to present-day species, showing that no gradations have occurred.
Thanks to Oliver Zompro and Erich Tilgner, two entomologists with expertise on Phasmids and allied groups and their taxonomy and evolution, for their patient explanations and copious references; to the Phasmid Study Group for allowing me to use some of their phasmid photographs; to Reed for setting up the Geologic Time Scale page and PT crew members for comments, suggestions, and for refreshing my Latin.
The quote about the uncertainty with phasmid taxonomy is misleading because most of the controversy about this group has to do with its subdivisions and not its affinities with other orders.
I am not aware of any specific work on bona fide leaf- or stick-like insects, but a 1993 paper on two differently colored forms of the phasmid Timema cristinae, which are more or less cryptic depending on the vegetation they reside on, clearly showed differential predation against the less cryptic morph 3.
Went to Accipiter and found an excellent shadow box of a large malaysian phasmid stick insect I was thinking about using for photographs for Phasmatodea, and a really nice shadow box of a scorpion specimen.
Might look for a phasmid stick insect for a mascot/cover model for Phasmatodea, which is my and aklikins's Chapman Stick duo.
If you are not business intelligence strategy this cyprinid in your optimization mandatary, the langsyne you are carinate at is bisulcate of phasmid aldomet.
Andy the phasmid guy was there and had some young Macleay’s Spectres Extatosoma tiaratum – I couldn’t resist.
Wordnik is becoming a not-for-profit! Read our announcement here.