Cockroaches are insects of the order Blattaria or Blattodea, of which about 30 species out of 4,500 total are associated with human habitations. About four species are well known as pests.

Among the best-known pest species are the American cockroach, ''Periplaneta americana'', which is about long, the German cockroach, ''Blattella germanica'', about long, the Asian cockroach, ''Blattella asahinai'', also about in length, and the Oriental cockroach, ''Blatta orientalis'', about . Tropical cockroaches are often much bigger, and extinct cockroach relatives and 'roachoids' such as the Carboniferous ''Archimylacris'' and the Permian ''Apthoroblattina'' were not as large as the biggest modern species.

Etymology[link]

The name ''cockroach'' comes from the Spanish word ''cucaracha'', "chafer", "beetle", from ''cuca'', "kind of caterpillar." The scientific name derives from the Latinized Greek name for the insect (Doric Greek: βλάττα, ''blátta''; Ionic and Attic Greek: βλάττη, ''blátte'

The English form cockroach is a folk etymology reanalysis of the Spanish word into meaningful native parts, although ''cock'' referred to a rooster and a ''roach'' is a type of fish.

Notable species[link]

''Blattella germanica'', German cockroach

''Blaptica dubia'', South American/Peruvian Dubia cockroach

''Blatta orientalis'', Oriental cockroach

''Blattella asahinai'', Asian cockroach

''Blaberus craniifer'', true death's head cockroach

''Blaberus discoidalis'', discoid cockroach or false death's head

''Eurycotis floridana'', Florida woods cockroach

''Gromphadorhina portentosa'', Madagascar hissing cockroach

''laxta granicollis'', Bark cockroach

''Parcoblatta pennsylvanica'', Pennsylvania woods cockroach

''Periplaneta americana'', American cockroach

''Periplaneta australasiae'', Australian cockroach

''Periplaneta brunnea'', black Mississippi cockroach

''Periplaneta fuliginosa'', smokybrown cockroach

''Pycnoscelus surinamensis'', Surinam cockroach

''Supella longipalpa'', brown-banded cockroach

Evolutionary history and relationships[link]

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A proposed phylogeny of the families. Mantodea, Isoptera, and Blattaria are usually combined by entomologists into a higher group called Dictyoptera. Current evidence strongly suggests that termites evolved directly from true cockroaches, and many authors now consider termites to be an epifamily of cockroaches, as Blattaria excluding Isoptera is not a monophyletic group.

Historically, the name Blattaria has been used largely interchangeably with the name Blattodea, and this name is used for the order by the current world catalogue, the Blattodea Species File Online. Another name, Blattoptera has come into use for this same paraphyletic group. These earliest cockroach-like fossils ("Blattopterans" or "roachids") are from the Carboniferous period between 354–295 million years ago. However, these fossils differ from modern cockroaches in having long external ovipositors and are the ancestors of mantises as well as modern roaches. The first fossils of modern cockroaches with internal ovipositors appear in the early Cretaceous.

Behavior[link]

Cockroaches live in a wide range of environments around the world. Pest species of cockroaches adapt readily to a variety of environments, but prefer warm conditions found within buildings. Many tropical species prefer even warmer environments and do not fare well in the average household.

The spines on the legs were earlier considered to be sensory, but observations of their locomotion on sand and wire meshes have demonstrated that they help in locomotion on difficult terrain. The structures have been used as inspiration for robotic legs.

Cockroaches leave chemical trails in their feces as well as emitting airborne pheromones for swarming and mating. These chemical trails transmit bacteria on surfaces. Other cockroaches will follow these trails to discover sources of food and water, and also discover where other cockroaches are hiding. Thus, cockroaches can exhibit emergent behavior, in which group or swarm behavior emerges from a simple set of individual interactions.

Daily rhythms may also be regulated by a complex set of hormonal controls of which only a small subset have been understood. In 2005, the role of one of these proteins, Pigment Dispersing Factor (PDF), was isolated and found to be a key mediator in the circadian rhythms of the cockroach.

Research has shown that group-based decision-making is responsible for complex behavior such as resource allocation. In a study where 50 cockroaches were placed in a dish with three shelters with a capacity for 40 insects in each, the insects arranged themselves in two shelters with 25 insects in each, leaving the third shelter empty. When the capacity of the shelters was increased to more than 50 insects per shelter, all of the cockroaches arranged themselves in one shelter. Researchers found a balance between cooperation and competition exists in the group decision-making behavior found in cockroaches. The models used in this research can also explain the group dynamics of other insects and animals.

Cockroaches are mainly nocturnal and will run away when exposed to light. A peculiar exception is the Asian cockroach, which is attracted to light. Another study tested the hypothesis that cockroaches use just two pieces of information to decide where to go under those conditions: how dark it is and how many other cockroaches there are. The study conducted by José Halloy and colleagues at the Free University of Brussels and other European institutions created a set of tiny robots that appear to the roaches as other roaches and can thus alter the roaches' perception of critical mass. The robots were also specially scented so that they would be accepted by the real roaches.

Additionally, researchers at Tohoku University engaged in a classical conditioning experiment with cockroaches and discovered that the insects were able to associate the scent of vanilla and peppermint with a sugar treat.

Description[link]

Cockroaches are generally rather large insects. Most species are about the size of a thumbnail, but several species are bigger. The world's heaviest cockroach is the Australian giant burrowing cockroach, which can reach in length and weigh more than . Comparable in size is the Central American giant cockroach ''Blaberus giganteus'', which grows to a similar length but is not as heavy.

Cockroaches have a broad, flattened body and a relatively small head. They are generalized insects, with few special adaptations, and may be among the most primitive living neopteran insects. The mouthparts are on the underside of the head and include generalised chewing mandibles. They have large compound eyes, two ocelli, and long, flexible, antennae.

The first pair of wings (the tegmina) are tough and protective, lying as a shield on top of the membranous hind wings. All four wings have branching longitudinal veins, and multiple cross-veins. The legs are sturdy, with large coxae and five claws each. The abdomen has ten segments and several cerci.

Eggs and egg capsules[link]

Female cockroaches are sometimes seen carrying egg cases on the end of their abdomen; the egg case of the German cockroach holds about 30 to 40 long, thin eggs, packed like frankfurters in the case called an ''ootheca''. The egg capsule may take more than five hours to lay and is initially bright white in color. The eggs are hatched from the combined pressure of the hatchlings gulping air. The hatchlings are initially bright white nymphs and continue inflating themselves with air, becoming harder and darker within about four hours. Their transient white stage while hatching and later while molting has led many to claim the existence of albino cockroaches.

A female German cockroach carries an egg capsule containing around 40 eggs. She drops the capsule prior to hatching, though live births do occur in rare instances. Development from eggs to adults takes 3 to 4 months. Cockroaches live up to a year. The female may produce up to eight egg cases in a lifetime; in favorable conditions, she can produce 300 to 400 offspring. Other species of cockroach, however, can produce an extremely high number of eggs in a lifetime; in some cases a female needs to be impregnated only once to be able to lay eggs for the rest of her life.

Sounds[link]

Aside from the famous hissing noise, some cockroaches (including a species in Florida) will make a chirping noise.

Physiology[link]

Digestive tract[link]

Cockroaches are most common in tropical and subtropical climates. Some species are in close association with human dwellings and widely found around garbage or in the kitchen. Cockroaches are generally omnivorous with the exception of the wood-eating species such as ''Cryptocercus''; these roaches are incapable of digesting cellulose themselves, but have symbiotic relationships with various protozoans and bacteria that digest the cellulose, allowing them to extract the nutrients.

The similarity of these symbionts in the genus ''Cryptocercus'' to those in termites are such that it has been suggested that they are more closely related to termites than to other cockroaches, and current research strongly supports this hypothesis of relationships. All species studied so far carry the obligate mutualistic endosymbiont bacterium ''Blattabacterium'', with the exception of ''Nocticola australiensise'', an Australian cave dwelling species without eyes, pigment or wings, and which recent genetic studies indicates are very primitive cockroaches.

Tracheae and breathing[link]

Cockroaches, like all insects, breathe through a system of tubes called ''tracheae''. The tracheae of insects are attached to the spiracles, excluding the head. Thus cockroaches, like all insects, are not dependent on the mouth and windpipe to breathe. The valves open when the CO₂ level in the insect rises to a high level; then the CO₂ diffuses out of the tracheae to the outside and fresh O₂ diffuses in. Unlike in vertebrates that depend on blood for transporting O₂ and CO₂, the tracheal system brings the air directly to cells, the tracheal tubes branching continually like a tree until their finest divisions, tracheoles, are associated with each cell, allowing gaseous oxygen to dissolve in the cytoplasm lying across the fine cuticle lining of the tracheole. CO₂ diffuses out of the cell into the tracheole.

While cockroaches do not have lungs and thus do not actively breathe in the vertebrate lung manner, in some very large species the body musculature may contract rhythmically to forcibly move air out and in the spiracles; this may be considered a form of breathing.

Reproduction[link]

Cockroaches use pheromones to attract mates, and the males practice courtship rituals such as posturing and stridulation. Like many insects, cockroaches mate facing away from each other with their genitalia in contact, and copulation can be prolonged. A few species are known to be parthenogenetic, reproducing without the need for males.

The female usually attaches the egg-case to a substrate, inserts it into a suitably protective crevice, or carries it about until just before the eggs hatch. Some species, however, are ovoviviparous, keeping the eggs inside their bodies, with or without an egg-case, until they hatch. At least one genus, ''Diploptera'' is fully viviparous.

Cockroach nymphs are generally similar to the adults, except for undeveloped wings and genitalia. Development is generally slow, and may take anywhere from a few months to over a year. The adults are also long-lived, and have been recorded as surviving for four years in the laboratory.

Hardiness[link]

Cockroaches are among the hardiest insects on the planet. Some species are capable of remaining active for a month without food and are able to survive on limited resources like the glue from the back of postage stamps. Some can go without air for 45 minutes. In one experiment, cockroaches were able to recover from being submerged underwater for half an hour.

It is popularly suggested that cockroaches will "inherit the earth" if humanity destroys itself in a nuclear war. Cockroaches do indeed have a much higher radiation resistance than vertebrates, with the lethal dose perhaps 6 to 15 times that for humans. However, they are not exceptionally radiation-resistant compared to other insects, such as the fruit fly.

The cockroach's ability to withstand radiation better than human beings can be explained through the cell cycle. Cells are most vulnerable to the effects of radiation when they are dividing. A cockroach's cells divide only once each time it molts, which is weekly at most in a juvenile roach. Since not all cockroaches would be molting at the same time, many would be unaffected by an acute burst of radiation, but lingering radioactive fallout would still be harmful.

Role as pests[link]

Cockroaches are one of the most commonly noted household pest insects. They feed on human and pet food, and can leave an offensive odor. They can also passively transport microbes on their body surfaces including those that are potentially dangerous to humans, particularly in environments such as hospitals. Cockroaches have been shown to be linked with allergic reactions in humans. One of the proteins that triggers allergic reactions has been identified as tropomyosin. These allergens have also been found to be linked with asthma.

General preventive measures against household pests include keeping all food stored away in sealed containers, using garbage cans with a tight lid, frequent cleaning in the kitchen, and regular vacuuming. Any water leaks, such as dripping taps, should also be repaired. It is also helpful to seal off any entry points, such as holes around baseboards, in between kitchen cabinets, pipes, doors, and windows with some steel wool or copper mesh and some cement, putty or silicone caulk.

Diatomaceous earth applied as a fine powder works very well to eliminate cockroaches as long as it remains in place and dry. Diatomaceous earth is harmless to humans and feels like talcum powder. Most insects, including bed bugs, are vulnerable to it.

Some cockroaches have been known to live up to three months without food and a month without water. Frequently living outdoors, although preferring warm climates and considered "cold intolerant," they are resilient enough to survive occasional freezing temperatures. This makes them difficult to eradicate once they have infested an area.

There are numerous parasites and predators of cockroaches, but few of them have proven to be highly effective for biological control of pest species. Wasps in the family Evaniidae are perhaps the most effective insect predators, as they attack the egg cases, and wasps in the family Ampulicidae are predators on adult and nymphal cockroaches (e.g., ''Ampulex compressa''). The house centipede is probably the most effective control agent of cockroaches, though many homeowners find the centipedes themselves objectionable.

Ampulex wasps sting the roach more than once and in a specific way. The first sting is directed at nerve ganglia in the cockroach's thorax; temporarily paralyzing the victim for 2–5 minutes, which is more than enough time for the wasp to deliver a second sting. The second sting is directed into a region of the cockroach's brain that controls the escape reflex, among other things. When the cockroach has recovered from the first sting, it makes no attempt to flee. The wasp clips the antennae with its mandibles and drinks some of the hemolymph before walking backwards and dragging the roach by its clipped antennae to a burrow, where an egg will be laid upon it. The wasp larva feeds on the subdued, living cockroach.

Bait stations, gels containing hydramethylnon or fipronil, as well as boric acid powder, are toxic to cockroaches. Baits with egg killers are also quite effective at reducing the cockroach population. Additionally, pest control products containing deltamethrin or pyrethrin are very effective.

In Singapore and Malaysia, taxi drivers use Pandan leaves as a cockroach repellent in their vehicles.

An inexpensive roach trap can easily be made from a deep smooth-walled jar with some roach food inside, placed with the top of the jar touching a wall or with sticks leading up to the top, so that the roaches can reach the opening. Once inside, they cannot climb back out. An inch or so of water or stale beer (by itself a roach attractant) will ensure they drown. The method works well with the American cockroach but less so with the German cockroach. A bit of Vaseline can be smeared on the inside of the jar to enhance slipperiness. The method is sometimes called the "Vegas roach trap" after it was popularized by a Las Vegas-based TV station. This version of the trap uses coffee grounds and water.

Uses[link]

Some of the earliest writings about cockroaches encouraged their use as medicine. Pedanius Dioscorides (1st century), Abu Hanifa ad-Dainuri (9th century), and Kamal al-Din al-Damiri (14th century ) all offered medicines that either suggest grinding them up with oil or boiling them, and Lafcadio Hearn claimed that in the 1870s many New Orleanians had great faith in a remedy of boiled cockroach tea.

Cultural references[link]

Because of their long, persistent association with humans, cockroaches are frequently referred to in art, literature, folk tales and theater and film and real life. In Western culture, cockroaches are often depicted as vile and dirty pests. Their size, long antennae, shiny appearance and spiny legs make them disgusting to many humans, sometimes even to the point of phobic responses. This is borne out in many depictions of cockroaches, from political versions of the song La Cucaracha where political opponents are compared to cockroaches, through the 1982 movie ''Creepshow'' and TV shows such as the ''X-Files'', to the Hutu extremists' reference to the Tutsi minority as cockroaches during the Rwandan Genocide in 1994 and the controversial cartoons published in the "Iran weekly magazine" in 2006 which implied a comparison between Iranian Azeris and cockroaches. The second part of the Harry Hole crime novels written by Jo Nesbø is called ''The Cockroaches'' (''Kakerlakkene'' in Norwegian). In the movie ''Men in Black'' a giant alien cockroach is shown as a predator who eats a farmer and then uses his skin to disguise itself as a human being. In ''Oliver Twist'', the children, Mr. Bumble, and Widow Corney sing about feeding Oliver cockroaches in a canister. Award-winning computer and video game series ''Fallout'' takes place in a post-Atom bomb war universe, in which enlarged, irradiated cockroaches are present as early enemies. This is a nod to the notion of their nuclear fortitude. Also, in Franz Kafka's ''The Metamorphosis'', a man, Gregor, is transformed overnight into a monstrous insect with cockroach-like features. He views himself as repulsive in his new identity. Ayn Rand in her early novel "We the Living" compared the Soviet Union to a huge pile of cockroaches. During Australian Rugby League State of Origin matches it is common slang to refer to Queensland as canetoads and New South Wales as cockroaches.

Not all depictions of cockroaches are purely negative, however. ''Twilight of the Cockroaches'' depicts the extermination of cockroaches as a holocaust, and presents a happy ending as the pregnant lead cockroach, Naomi, escapes to mother many generations. In the Pixar film ''Wall-E'', a cockroach that has survived all humanity is the best friend of the lead character (a robot), and waits patiently on him to return. The same cockroach survives getting squished twice. In the film ''Joe's Apartment'', the cockroaches help the titular hero, and the narrator of the book ''archy and mehitabel'' is a sympathetic cockroach. In the book ''Revolt of the Cockroach People'', an autobiographical novel by Oscar Zeta Acosta, cockroaches are used as a metaphor for oppressed and downtrodden minorities in US society in the 1960s and 70s. The image of cockroaches as resilient also leads people to compare themselves to cockroaches. Madonna has famously quoted, "I am a survivor. I am like a cockroach, you just can't get rid of me." "Cockroach", or some variant of it is also used as a nickname, for example Boxing coach Freddie Roach, who was nicknamed La Cucaracha (The Cockroach) when he was still competing as a fighter. The album ''The Lonesome Crowded West'' by rock group Modest Mouse features a song with the title and lyric "Doin' The Cockroach". In the Netherlands 'Zaza the cockroach' becomes a buddy of the boy called Pluk in a popular Dutch book for children: 'Pluk van de Petteflet', written by Annie M.G. Schmidt. In Suzanne Collins's Underland Chronicles series, giant cockroaches are allies of humans in the Underland, and they and a toddler named Margaret (a.k.a. Boots, or "the princess," as the cockroaches call her) love each other.

References[link]

Notes[link]

Bibliography[link]

''Cockroaches: Ecology, Behavior, and Natural History'', by William J. Bell, Louis M. Roth, and Christine A. Nalepa, ISBN 0-8018-8616-3, 2007

''Firefly Encyclopedia of Insects and Spiders'', edited by Christopher O'Toole, ISBN 1-55297-612-2, 2002

''Insects: Their Biology and Cultural History'', Bernhard Klausnitzer, ISBN 0-87663-666-0, 1987

External links[link]

Jumping cockroaches (Blattaria, Skokidae fam. n.) from the Late Jurassic of Karatau in Kazakhstan

Fact sheets on several species of cockroaches: American, Brownbanded and Oriental

Blattodea Culture Group Information on cockroaches with an emphasis on rearing.

Orthopteroid Internet Resources links to online cockroach resources

Blattodea Species File Online world catalogue of cockroaches.

Online book about cockroaches

Allpet Roaches Photos and information about pet relevant species.

Order Blattodea (Cockroaches), Exploring California Insects photos of a few California species

Cockroach health threats

UC Davis on cockroaches

The cockroach FAQ

Cockroach Pest Control Information – National Pesticide Information Center

Cosmic cockroaches faster developers, Russian scientists say

Cockroaches: Household Pests

Cockroaches chapter in United States Environmental Protection Agency‎ and UF/IFAS National Public Health Pesticide Applicator Training Manual

A phylogenetic analysis of Dictyoptera (Insecta) based on morphological characters

Entries at the University of Florida/Institute of Food and Agricultural Sciences Featured Creatures Web site:

American cockroach

Asian cockroach

German cockroach

oriental cockroach

a cockroach egg parasitoid

Category:Orders of insects

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:''See also the general term Gazette.''

''The Gazette'' is a title of several newspapers and magazines, including:

English-language newspapers[link]

''London Gazette'', the official publication of the government of the United Kingdom

''Belfast Gazette'', official publication of the United Kingdom for northern Ireland

''Edinburgh Gazette'', official publication of the United Kingdom for Scotland

''The Gazette'' (Montreal), Montreal, Quebec, Canada

''The Gazette'' (Chicago), Chicago, Illinois, United States

''The Gazette'' (Colorado Springs), Colorado Springs, Colorado, United States

''The Gazette'' (Cedar Rapids), Cedar Rapids, Iowa, United States

''The Gazette'' (Maryland), the common name of a group of community newspapers in the state of Maryland, United States

''The Gazette'' (Newfoundland), the official newspaper of Memorial University of Newfoundland, located in St. John's, Newfoundland

''The Pittsburgh Post-Gazette'', Pittsburgh, Pennsylvania, United States

''The Gazette'' (Virginia), Galax, Virginia, United States.

''The Charleston Gazette'', Charleston, West Virginia, United States

The ''Eastbourne Gazette'', Eastbourne, England, United Kingdom

The ''Hardwick Gazette'', Hardwick, Vermont, United States

The ''Texarkana Gazette'', Texarkana, United States

The ''Pennsylvania Gazette'', Philadelphia, Pennsylvania, published by Benjamin Franklin in the 18th century

''The New Zealand Gazette'', the official publication of the New Zealand Government

''St. Joseph Gazette'', St. Joseph, Missouri

''The Gazette'', a weekly newspaper for the Library of Congress library staff

Student newspapers[link]

''The Dalhousie Gazette'', a student newspaper for Dalhousie University in Nova Scotia, Canada

''UWO Gazette'', a daily student newspaper for the University of Western Ontario in London, Ontario, Canada

French-language newspapers[link]

''La Gazette'', a weekly magazine published in France from 1631 to 1915

''La Gazette de Berlin'', newspaper for the French-speaking community in Germany

Music[link]

The Gazette (band), a Japanese rock band

See also[link]

The News-Gazette (disambiguation)

da:The Gazette

name	The Cockroaches
background	group_or_band
origin	Sydney, New South Wales Australia
genre	Pop rock, rock & roll
years active	1979–1991, 1994
label	Regular Records
past members	Paul FieldJohn FieldAnthony "Tony" FieldJeff FattPhil RobinsonTony Henry }}

The Cockroaches was an Australian pop rock band which achieved reasonable success in the 1980s and 1990s. The band took its name from an obscure nom de plume favoured by The Rolling Stones during the 1960s.

The band is today best known as a precursor to the internationally successful children's musical group The Wiggles. Two of the Wiggles, Anthony Field and Jeff Fatt, were members of the Cockroaches (lead guitar and keyboards), Cockroaches' lead singer Paul Field is the Wiggles' manager and guitarist John Field is a frequent songwriter for the Wiggles. Cockroaches' drummer Tony Henry and bassist Paul Dunworth have also played on numerous Wiggles recordings.

Biography[link]

The Field brothers (Paul, John and Anthony) started the group in 1979 while still at boarding school, St. Joseph's College, Hunters Hill. The band regularly played at school dances and pubs. The Cockroaches began writing their own music and issued a string of singles on a variety of independent labels. In 1986 the band signed a deal with Regular Records.

The band's first single on Regular, 'Wait Up'/`Henry's Lizard' (September 1986), became a national Top 40 hit and #13 in Sydney. The band's debut album, ''The Cockroaches'' (March 1987) produced three further singles, 'She's the One'/'Can in the Hand' (January), 'Some Kind of Girl'/`Dr Richmond' (May) and 'Double Shot (Of My Baby's Love)'/'Something Good' (August). ''The Cockroaches'' reached #9 on the national chart, on its way to selling over 100,000 copies and 'She's the One' became the band's biggest hit when it peaked at #7 during April 1987. 'Some Kind of Girl' and 'Double Shot (of My Baby's Love)' also made the Top 30. The Cockroaches' self-titled album received a platinum record award in 1988.

Peter Mackie replaced Phil Robinson before the band recorded its second album, ''Fingertips''. In early 1989, The Cockroaches undertook a national tour. The band's third album, ''Positive'' (June 1991), included a cover of Brenda Lee's "Here Comes the Feeling" (August), which also appeared on the soundtrack to the feature film ''The Crossing'', starring Russell Crowe and Danielle Spencer. By the end of the year, however, The Cockroaches as a band concept had run its course. To add to the stress, Paul Field's seven month-old daughter died from SIDS while touring.

In the early 1990s, Anthony Field studied early childhood education at Macquarie University. He eventually started The Wiggles with Jeff Fatt, Murray Cook (guitar) and Greg Page (vocals), which became extraordinarily successful in Australia, the USA and parts of Asia in children's entertainment and early learning. John Field joined The Honeymen with Sean Sennett. The pair released two singles "Felt Like A Kiss" and "Motorbike Of Love". John went on to write the musical 'Evie And The Birdman' and fronts The John Field Band.

Personnel[link]

The original line-up of the band was:

Paul Field - lead vocals (1979–91)

John Field - rhythm guitar, vocals (1979–91)

Anthony (Tony) Field - lead guitar, vocals (1979–91)

Jeff Fatt - keyboard (1981-91)

Paul Dunworth - bass guitar (1979–81)

Tony Henry - drums (1979-91)

Phil Robinson - bass (1981–88)

Peter Mackie - bass (1988–91)

Joseph Hallion - Sax (1979-1985)

Discography[link]

Albums[link]

''The Cockroaches'' - Regular (L 38709) (March, 1987)

''Fingertips'' - Regular (TVL93270) (1988)

''Positive'' - Regular (D 19737) (June, 1991)

''St. Patrick's Day 10am'' - Independent (CD ROACH 001) (March, 1994)

''Hey Let’s Go – The Best of the Cockroaches'' - Festival (D26394) (1999)

Singles[link]

"I Want a Leather Jacket"/"Blue Moon of Kentucky" (R.D.S. 004) (June 1980)

"Through with Her"/"Bingo Bango" (PRS13096) (June 1981)

"Used to Be"/"She Goes On and On" (August 1981)

"Empty Heart"/"Apartment #9" - EMI (Custom 13233) (October 1981)

"Shake Jump and Shout"/"Last Night"/"Empty Heart" - Phantom (PH-16) (11 November 1982)

"See You in Spain"/"I've Been Thinking About You" - Powderworks (POW 0200) (June 1984)

"My Whole World's Falling Down"/"Groovin’ in the Graveyard" - Possum (POS 1529) (June 1985)

"Another Night Alone"/"Just Can't Stop" - Possum (POS 1589) (December 1985)

"Wait Up"/"Henry's Lizard" - Regular (K72) (September 1986)

"She's The One"/"Can in Hand" - Regular (K212) (January 1987)

"Some Kind of Girl"/"Dr Richmond" - Regular (K277) (May 1987)

"Double Shot (Of My Baby's Love)/"Something Good" - Regular (K388) (August 1987)

"You and Me"/"So Wild" - Regular (K639) (1988)

"Hey What Now!"/"Marie" - Regular (K533) (June 1988)

"Permanently Single"/"Rudolph Had a Baby" - Regular (K769) (January 1989)

"Another Saturday Night"/"I've Got to Hang On" - Regular (K894) (August 1989)

"Hope"/Soul To Soul" (August 1990)

References[link]

External links[link]

Cockroaches, The