know as California roach , a wide assortment of cockroach species can be found throughout California . These hardy louse hold up well in a variety of options , including crowded cities and dry deserts .
In California , roach can be a author of wellness endangerment for both business and householder due to allergies and pollution .
Comprehending the various sort of cockroaches rife in this region , their behavioral design , and the obstacles they posture is crucial for proficient pest controller and upholding a healthy sustenance space .

Different Types of Cockroaches in California
Oriental Cockroach
The resilient Shirley Temple and brown Oriental cockroach ( Blatta orientalis ) is a well - known pest . Because pesticide frequently do not damage the eggs lay by females , this species is very unmanageable to extinguish , letting the population to live . Oriental roach are thought to be hazardous to human wellness , with female being larger than male .
They play bacterium into house that might foul food because they prosper in moist , bacterially - rich place like basements and drains . Oriental cockroaches are a bothersome plague because of their proclivity to transmit infections , which put a serious risk to human health .
Turkestan Cockroach
The Turkestan roach ( Shelfordella lateralis ) is typically an outdoor plague but can also be establish indoors in warmer climates like California . know for their destructive habits , these roach are fear by many . They have distinctive gloomy red trunk with a rusty undertone and usually last in heavy numbers outdoors . However , they often move into homes in hunting of food for thought .
Male Turkestan roaches are in particular problematic as they can aviate , often toward light sources , which is how they unremarkably invade home base . Their ability to fly makes them a unrelenting pestis , especially in California ’s warm environment .
American Cockroach
Despite coming from Africa , the American cockroach ( Periplaneta americana ) is the boastful and most prevalenttype of bug in California . The liveliness cycle of this pest includes three stages : nut , houri , and adult . It usually give maturity in a few calendar week , at which point it begin a 600 - daylight procreative cycle .
A female American cockroach can lay up to 150 orchis each year during this catamenia . This species , which is well - make out for its adaptability and long life , is a major annoyance throughout the United States due to its power to expand in a change of conditions .
Three-lined Cockroach
The Three - lined roach ( Luridiblatta trivittata ) is named for the distinctblack and unaccented stripeson its back , making it easily identifiable . Californians often discern this species in winter , with humble nymphs appearing in leaping . While these roaches favour living outdoors and do not form indoor colonies , they are withdraw to sweet foods , once in a while venturing indoors .
Despite being common , Three - lined rope are difficult to do away with as no specific pestis control condition products are made for them . Since they are n’t officially take pests , they are often dominate , even though they can become a nuisance when food attracts them inside .
Smoky Brown Cockroach
The Smoky Brown Cockroach ( Periplaneta fuliginosa ) is known for rapidly losing wet , leading it to seek protection indoors during red-hot weather . However , it is not befit to dusty climates , chiefly found in Southern U.S. states like California .
This roach has a varied dieting , feeding on decay matter , pet food , and house leftovers . It enters homes to escape extreme temperatures or to get at solid food sources , especially in areas where rotting food is present .
Eremoblatta subdiaphana
The Eremoblatta subdiaphana , or Hairy Desert Cockroach , is native to desiccated regions like California and a few Southern state , including Texas . This coinage is characterize by its pale aureate color and hirsute physical structure . Its wing are brown and transparent , though it ’s believed to fly only short distance .
adjust to juiceless environment , the Hairy Desert Cockroach thrives in red-hot , desert - alike clime . Its distinctive appearance makes it easy to name in its natural habitat .
Desert Cockroach
The Desert Cockroach ( Arenivaga investigata ) expand in arid , desert climate . Its sick golden color often blends with the gumption , make it toilsome to spot . Known for its power to absorb wet , this roach can take in up to 80 % of its consistence weightiness from the strain .
To prevent over - assimilation , it bring forth a wax finishing on its torso . Interestingly , the cockroach generates heat during wet absorption , rather than from lineal sunshine , make it well - adapted to wry environs .
Brown-banded Cockroach
The Brown - band Cockroach ( Supella longipalpa ) is a plebeian pest in California , vex wellness peril if not master quickly . This metal money is especially problematic in shared buildings like apartments , well travel through cracks and under door . Professional pesticide treatment is the most effective method acting for eliminating both grownup roaches and their nymphs .
In other region , natural predators like Comperia Merceti wasp course on its nymphs . nonstarter to get rid of Brown - banded roaches can extend to medical egress , including allergic reaction triggered by their excretion and spill skin .
Australian Cockroach
The Australian Cockroach ( Periplaneta australasiae ) , unlike the Brown - banded roach , prefer outside living but is still linked to health risks such as solid food taint and allergy from its excrement . This species thrives near home , attracted by remnant food and garbage .
It can be identified by its brown body and distinctive dark-brown promontory with two disastrous markings . Professional pesticide treatments are efficacious for eliminating Australian cockroach from railway yard and gardens , preventing them from becoming a health chance around family .
Arenivaga nalepae
The Arenivaga nalepae Rutilus rutilus inhabits the dry regions of California , particularly around San Felipe and Baja California Norte . It has an off - white , sand - similar color and grows up to 20.2 mm in length .
This species is rarely encounter indoors , only try tax shelter in homes during frigid temperatures . Adapted to arid environments , Arenivaga nalepae immix well with sandy surroundings and is typically not a household pest unless driven inside by weather condition alteration .
Brown Cockroach
The Brown Cockroach ( Periplaneta brunnea ) is often misguided for the American Cockroach due to their alike brown color , but it originates from Africa and features a shorter , wider body . Its brown torso and head may sometimes have a ruby-red hue , and it can grow up to 2 inches long .
As a household pest , the Brown Cockroach thrives indoors near food informant , being an omnivore that ingest a kind of fruits , vegetables , and meats . It prefers moist , dark locations like basements or behind article of furniture . Although it position only up to 24 eggs at a sentence , its indoor lifestyle poses wellness peril , necessitating extermination .
Western Wood Cockroach
The Western Wood cockroach ( Parcoblatta americana ) is an encroaching metal money in California , often seeking tax shelter in harvester ant nest . At night , these roaches feed on leftover food around the nests . They are primarily find in oak woods and grasslands where reaper ant prosper . With branding iron - red coloration , they rarely enter domicile , but when they do , it ’s usually because they are line to lights .
These roach lead separate life — female stay with nymphs , while males live independently . Though less likely to invade homes , they can become a nuisance in outdoor surroundings .
German Cockroach
Due of its indoor home ground preference , the German cockroach ( Blattella germanica ) is one of the most problematic and feared pests . They only exist for around 100 daylight from egg to maturity , but because of their quick replication , they are very widespread , especially in Southern surface area like Florida and California .
German cockroaches can be remove from the house using a variety of techniques , such as chemical treatment that would necessitate moving out . Although there are milder remedies , their spreading is oft attribute to inadequate sanitization . They are a constant pain in the ass to homeowners because of their hardiness and fondness for interior environment .
Surinam Cockroach
The Surinam cockroach ( Pycnoscelus surinamensis ) , also known as the Greenhouse Cockroach , is a troublesome mintage primarily found in nursery . It conceal during the twenty-four hour period and come out at dark to feed on sonant plants . While not considered a family pest , it is often associated with man - made structures and prefers outdoor surround near homes .
This roach thrives in areas with high moisture and low sanitization , often found in junk . Though seldom entering homes , flora sprays and other products are commonly used to control its presence , especially in nursery options , where it can make meaning hurt to plants .
Field Cockroach
The Field Cockroach ( Blattella vaga ) , native to Asia , has spread to North and Central America , often residing in dense vegetation . During hot , dry conditions , it may enter homes . This roach has a short life-time , with some living up to 90 days .
It is commonly discover in decomposing plant matter and is easily identifiable due to its shiny prosperous consistency and transparent bloodless legs , abide out against the beleaguer vegetation . Its discrete appearance construct it easy to spot .
Arenivaga tonkawa
The Arenivaga tonkawa , a sandroach native to California and Texas , is brownish with a rounded body in maturity . Interestingly , in its early stage , it has a crystalline body , allowing its internal variety meat to be seeable . While female can vaporize brusque distances , males are ineffectual to vaporize .
This species is often bred in containers as a nutrient rootage , particularly for pets like lounge lizard , due to its nutritional value and ease of finish .
Arenivaga sequoia
The Arenivaga sequoia is a roach specie native to Southern and Western California . It exhibits a range of colors , typically chestnut tree or glowering brown . One of its distinguishing features is its long wings , which are notably longer than its trunk , lead to the misconception that it can take flight .
Despite its wing length , this species is not known for significant flight . Found exclusively in California , Arenivaga sequoia is well - adapt to the region ’s specific climate .
Boll’s Sandroach
Boll ’s Sandroach ( Arenivaga bolliana ) , a member of the Corydiidae syndicate , is commonly ascertain in coastal California , favoring sunny areas near piddle sources . It has a tan , Amandine Aurore Lucie Dupin - like coloration with a striped soundbox and small contraband markings , while its head is preponderantly inglorious . The roach ’s leg are brown and haired .
Its natural coloring provides first-class camouflage , making it unmanageable to spot on sandlike terrain . This mintage fly high in warm , coastal environments , intermix seamlessly into its surroundings .






















