When it comes to cockroaches the majority of the species live outside where they should. However, the American and German roaches are known for adapting to the human environments. In order to solve this type of pest issue you need to understand how the cockroaches live, the kind you find in your home and the methods to control such a pest.
The Cockroach Life Cycle
Cockroaches go through 3 stages associated with development which include the egg, the nymph which is an immature form that resembles the adult but are only much smaller and then the adults. When the eggs hatch, small nymphs emerge. It can take 6 weeks for a cockroach to reach adult size or for some species a few years. This will be dependent on the type of cockroach and the favorability of the environment. It is very important to try and identify the cockroach species you would like to control as each type is attracted to different types of location.
Major Cockroach Pests
The smaller species are more persistent pests that breed and live indoors in human environments. These can include the Blatella germanica (German cockroach) and the Supella longipalpa (brown banded cockroach) which is less common.
The German Cockroach in their adult form are around ½ to 5/8 in length and are tan or pale brown with 2 parallel black streaks positioned behind their heads. The female cockroaches can produce up to seven cases of eggs in her lifetime and each case contains 30 to 40 eggs. These eggs take around 2 weeks to hatch. The German cockroaches can be found typically in bathrooms and kitchens around the drains and the sinks, behind cabinets, stoves and refrigerators.
The larger cockroaches that include the Blatta orientalis (oriental) and the Periplaneta Americano (American) are usually located outdoors but can move into indoor areas. The American cockroaches like warm, moist and dark areas particularly around garbage areas, storage rooms and sewers. When inside the home these types typically stay at first floor or basement levels.
There are a large variety of cockroaches that usually do not reside in close proximity to humans and are called minor pests. These include the Pycnoscelus surinamensis (Surinam cockroach) and the species of wood cockroaches. These outdoor pests can usually be found in leaf litter, mulch and wood piles. When indoors these types of cockroaches are unable to survive and for this reason are not typically an issue.
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