''Cryptophyllium''Cumming RT, Bank S, Bresseel J, Constant J, Le Tirant S, Dong Z, Soner G, Bradler S. (2021) ZooKeys 1018: 14.
link on www.researchgate.net
/ref> is a genus of

leaf insects The family Phylliidae (often misspelled Phyllidae) contains the extant true leaf insects or walking leaves, which include some of the most remarkably camouflaged leaf mimics (mimesis) in the entire animal kingdom. They occur from South Asia thro ...

in the tribe Phylliini, described in 2021.Phasmida Species File (Version 5.0/5.0, retrieved 26 July 2021)
/ref> Its distribution is probably incomplete, but includes southern China, Sri Lanka,

Indo-China Mainland Southeast Asia (historically known as Indochina and the Indochinese Peninsula) is the continental portion of Southeast Asia. It lies east of the Indian subcontinent and south of Mainland China and is bordered by the Indian Ocean to th ...

Malesia Malesia is a biogeographical region straddling the Equator and the boundaries of the Indomalayan and Australasian realms. It is a phytogeographical floristic region in the Paleotropical kingdom. It was first recognized as a distinct region ...

and western Pacific islands.

Description

Several species were previously placed in the genus ''

Phyllium ''Phyllium'' is the largest and most widespread genus of leaf insects in the family Phylliidae (Phasmatodea). They can be found in Sundaland, Philippine Islands, Wallacea, and Australasia. Species Within the genus ''Phyllium'', apart from ''P ...

'' (subgenus ''Phyllium''), which is very similar. Females of ''Cryptophyllium'' typically have antennae with short and disk-like fourth segments which are at least three times wider than they are long, and shorter than any of the following three segments. In ''Phyllium'', the fourth antennal segment is as tall as it is wide and is of a similar height to each of the following three segments' length. ''Cryptophillium'' females are 77–107 mm long and males are about 55–89 mm.

Species

As of July 2021, the ''Phasmida Species File'' lists: * '' Cryptophyllium animatum'' Cumming,

Bank A bank is a financial institution that accepts Deposit account, deposits from the public and creates a demand deposit while simultaneously making loans. Lending activities can be directly performed by the bank or indirectly through capital m ...

, Bresseel, Constant, Le Tirant, Dong,

Sonet Synchronous Optical Networking (SONET) and Synchronous Digital Hierarchy (SDH) are standardized protocols that transfer multiple digital bit streams synchronously over optical fiber using lasers or highly coherent light from light-emitting diodes ...

& Bradler, 2021 * '' Cryptophyllium athanysus'' (Westwood, 1859) *'' Cryptophyllium bankoi'' Cumming, Bank, Bresseel, Constant, Le Tirant, Dong, Sonet & Bradler, 2021 *'' Cryptophyllium bollensi'' Cumming, Bank, Bresseel, Constant, Le Tirant, Dong, Sonet & Bradler, 2021 * ''

Cryptophyllium celebicum ''Cryptophyllium celebicum'',Haan W de (1842) In Temminck d. ''Verhandelingen over de Natuurlijke Geschiedenis der Nederlansche Overzeesche Bezittingen'' 3: 111. simply known as walking leaf mimic insect, is type species of Phylliidae, leaf i ...

'' ( de Haan, 1842) – type species (as ''

celebicum'' Haan W de) * ''

Cryptophyllium chrisangi ''Cryptophyllium''Cumming RT, Bank S, Bresseel J, Constant J, Le Tirant S, Dong Z, Soner G, Bradler S. (2021) ZooKeys 1018: 14.link on www.researchgate.net/ref> is a genus of leaf insects in the tribe Phylliini, described in 2021. Its distributi ...

'' ( Seow-Choen, 2017) * ''

Cryptophyllium daparo ''Cryptophyllium''Cumming RT, Bank S, Bresseel J, Constant J, Le Tirant S, Dong Z, Soner G, Bradler S. (2021) ZooKeys 1018: 14.link on www.researchgate.net/ref> is a genus of leaf insects in the tribe Phylliini, described in 2021. Its distributi ...