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Cockroach

Cockroaches are one of the most commonly noted household pests which 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 and can go without air for 45 minutes. It is popularly suggested that cockroaches will "inherit the earth" if humanity destroys itself in a nuclear war.


Commonly found cockroaches

  • Blattella germanica, German Cockroach.
  • Periplaneta americana, American Cockroach.
  • Supella longipalpa, Brown-banded Cockroach.
  • Blatta orientalis, Oriental Cockroach.


Cockroach

German

Cockroach

Oriental Cockroach American Cockroach Brown Banded Cockroach
Size12 mm (1.2 cm) to 15 mm (1.5 cm)25 mm (2.5 cm) to 30 mm (3.0 cm)28 mm (2.8 cm) to 43 mm (4.3 cm)10 to 15 mm long
HabitatHeated buildings, optimum 32 C(90 F)20 C (68 F) to 29 C (84 F)Same as Germantemperatures below 75 F
Nymphal development6 to 12 weeks6 to 12 months4 to 15 months3 to 9 months
Life Span6 to 9 months1 to 1.5 years1 to 1.5 years5 to 6.5 months
Able to fly?NoNoNoNo
ReproductionEach egg case contains 40 individual eggs and carries the egg case.Each egg case contains 16 individual eggs.Each egg case contains 16 individual eggsEach egg case contains 14-18 individual eggs
Preferred locationsKitchens, cracks and crevices, garbageSewers, drains, damp basements, porches, and other damp Basements, crawl spaces, cracks and crevices of porches, foundations, and walkways adjacent to buildings, manholes, drainagesBed rooms, Beneath tables, chairs, dressers and chests, closets, pictures, on rough plaster walls and ceilings
DietFond of starches, sweets, grease, and meat productsFeed on garbage and decaying plant and animal productsDecaying organic matter and fond of fermenting foodsGlue, starch, certain color dyes

Effects on Human

Contamination of food, Cockroaches has been reported to spread at least 33 kinds of bacteria, six kinds of parasitic worms, and at least seven other kinds of human pathogens. They can pick up germs on the spines of their legs and bodies as they crawl through decaying matter or sewage and then carry these into food or onto food surfaces.


Cockroaches have been shown to be linked with allergic reactions in humans. One of the proteins that trigger allergic reactions has been identified as tropomyosin. These allergens have also been found to be linked with asthma.



De-Cockroach solutions

Suggestion for non-chemical measures and utilizing suitable odorless chemicals. Annual maintenance contract are preferable to have continuous monitoring and population control and to avoid re-infestation.



Precautions

  • Avoid keeping food materials open.
  • Keep closed soiled plates.
  • Seal all the cracks and crevices.
 
Technical Source : S.Manoj Babu :: © 2011 De-Pest :: Home :: Site Map :: Legal :: Design by : Seldom LogoSELDOM Technologies