Cryptocercus - brown-hooded cockroaches | |
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Cryptocercus clevelandi | |
Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Arthropoda |
Class: | Insecta |
Order: | Blattodea |
Superfamily: | Blattoidea |
Epifamily: | Cryptocercoidae |
Family: | Cryptocercidae Handlirsch, 1925 |
Genus: | Cryptocercus Scudder, 1862 |
Species | |
Cryptocercus is a genus of Dictyoptera (cockroaches and allies) and the sole member of its own family Cryptocercidae. [1] Species are known as wood roaches or brown-hooded cockroaches. These roaches are subsocial, their young requiring considerable parental interaction. They also share wood-digesting gut bacteria types with wood-eating termites, and are therefore seen as evidence of a close genetic relationship, that termites are essentially evolved from social cockroaches. [2]
Cryptocercus is especially notable for sharing numerous characteristics with termites, and phylogenetic studies have shown this genus is more closely related to termites than it is to other cockroaches. [3] These two lineages probably shared a common ancestor in the early Cretaceous. [4]
Found in North America and (especially temperate) Asia, there are 12 known species:
Termites are a group of detritophagous eusocial insects which consume a wide variety of decaying plant material, generally in the form of wood, leaf litter, and soil humus. They are distinguished by their moniliform antennae and the soft-bodied and typically unpigmented worker caste for which they have been commonly termed "white ants"; however, they are not ants, to which they are distantly related. About 2,972 extant species are currently described, 2,105 of which are members of the family Termitidae.
Dictyoptera is an insect superorder that includes two extant orders of polyneopterous insects: the order Blattodea and the order Mantodea (mantises). All modern Dictyoptera have short ovipositors and typically lay oothecae. The oldest fossils of Dictyoptera from the Late Carboniferous, referred to as "roachoids" have long ovipositors and did not lay oothecae. The oldest modern oothecae-laying dictyopterans date to the Late Triassic.
Giant cockroaches, or blaberids, are the second-largest cockroach family by number of species.
Ectobiidae is a family of the order Blattodea (cockroaches). This family contains many of the smaller common household pest cockroaches, among others. They are sometimes called wood cockroaches. A few notable species include:
Blattodea is an order of insects that contains cockroaches and termites. Formerly, termites were considered a separate order, Isoptera, but genetic and molecular evidence suggests they evolved from within the cockroach lineage, cladistically making them cockroaches as well. The Blattodea and the mantis are now all considered part of the superorder Dictyoptera. Blattodea includes approximately 4,400 species of cockroach in almost 500 genera, and about 3,000 species of termite in around 300 genera.
Cockroaches are insects belonging to the order Blattodea (Blattaria). About 30 cockroach species out of 4,600 are associated with human habitats. Some species are well-known as pests.
Mastotermes darwiniensis, common names giant northern termite and Darwin termite, is a termite species found only in northern Australia. It is the most primitive extant termite species. Contrary to common belief, this species does not form mounds as the nests are subterranean and inconspicuous. Colonies will readily occupy and infest decomposing wood but primarily live in a complex subterranean network of tunnels and galleries which they use to travel to new food sites. Colonies may eventually split and form isolated satellite colonies.
Cryptocercus garciai is a species of wood roach named after American musician Jerry Garcia. It was discovered by Drs. Craig A. Burnside and Srinivas Kambhampati in 1998 in the Chattahoochee National Forest in northern Georgia. Prior to this, it was assumed that Cryptocercus punctulatus was the only species in the genus that existed in North America.
Therea petiveriana, variously called the desert cockroach, seven-spotted cockroach, or Indian domino cockroach, is a species of crepuscular cockroach found in India and Sri Lanka. They are members of a basal group within the cockroaches. This somewhat roundish and contrastingly marked cockroach is mainly found on the ground in scrub forest habitats where they may burrow under leaf litter or loose soil during the heat of the day.
Kalotermitidae is a family of termites, commonly known as drywood termites. Kalotermitidae includes 21 genera and 419 species. The family has a cosmopolitan circumtropical distribution, and is found in functionally arid environments.
Blattabacterium is a genus of obligate mutualistic endosymbiont bacteria that are believed to inhabit all species of cockroach studied to date, with the exception of the genus Nocticola. The genus' presence in the termite Mastotermes darwiniensis led to speculation, later confirmed, that termites and cockroaches are evolutionarily linked.
Ectobius is a genus of non-cosmopolitan cockroaches once thought native to the Old World and described by Stephens in 1835, belonging to the family Ectobiidae, subfamily Ectobiinae. The discovery of 4 ectobius cockroaches in Colorado dating to 49 Million years ago suggests the genus actually originated in North America. This genus has been subject to a number of revisions.
The Tryonicidae are a family of cockroaches.
Mastotermes is a genus of termites. The sole living species is Mastotermes darwiniensis, found only in northern Australia. A number of extinct taxa are known from fossils. It is a very peculiar insect, the most primitive termite alive. As such, it shows notable similarities to cockroaches in the family Cryptocercidae, the termites' closest relatives. These similarities include the anal lobe of the wing and the laying of eggs in bunches, rather than singly. The termites were traditionally placed in the Exopterygota, but such an indiscriminate treatment makes that group a paraphyletic grade of basal neopterans. Thus, the cockroaches, termites and their relatives are nowadays placed in a clade called Dictyoptera.
Blattoidea is a superfamily of cockroaches and termites in the order Blattodea. There are about 17 families and more than 4,100 described species in Blattoidea.
Archotermopsidae is a family of termites in the order Blattodea, known as dampwood termites, formerly included within the family Termopsidae. They constitute a small and rather primitive family with two extant genera and 5 living species. They may rarely infest structures but do not usually do so, nor do they cause extensive damage to buildings or other man-made structures unless said structure has been sufficiently damaged such as by water. As their name implies, they eat wood that is not dried out, perhaps even rotting, and consequently of little use to humans.
Cryptocercus wrighti is a species of cockroach in the family Cryptocercidae. It is found in North America.
Cryptocercus punctulatus, known generally as brown-hooded cockroach, is a species of cockroach in the family Cryptocercidae. Other common names include the woodroach, wingless wood roach, and eastern wood-eating cockroach. It is found in North America.
Cryptocercus clevelandi is a species of cockroach in the family Cryptocercidae. It is found in North America.
Cryptocercus darwini is a species of cockroach in the family Cryptocercidae. It is found in North America.