Pest Structural Inspections: German Cockroach (Blattella germanica ) Mobile App

Take a peek inside the Pest Structural Inspections: German Cockroach (Blattella germanica ) Mobile App

Included Features

Our App Builder gives you the power to easily add and remove the ones you want. {{controller.show_all ? 'See included features.' : 'See more features.'}}

• {{data.title}}

Included Fields

Customize to add, remove, or edit any of the fields below.

• 

  The German cockroach is not only the cause of the largest number of phone calls requesting pest control, but also represents the largest number of control failures of any household pest.

• 

  Appearance

• 

  Adult German cockroaches are 1 cm (1/2 inch) long or slightly longer.

• 

  Nymphs are sometimes not recognized as cockroaches; they appear quite different than the adults.

• 

  This stripe divides the nymphal markings into two dark, long stripes.

• 

  Life Cycle

• 

  Eggs.

• 

  If the egg case is dropped much more than one day before hatching, the young die.

• 

  Four capsules will have a full complement of eggs, but subsequent capsules can contain less.

• 

  Nymphs.

• 

  The eggs hatch when the nymphs inside create pressure that splits the case and allows the young to escape.

• 

  Adults.

• 

  Adult cockroaches emerge from the last nymphal molt fully winged.

• 

  Behaviour and Harbourage

• 

  Aggregations of cockroaches live in areas of high humidity and nearby food.

• 

  Aggregations:

• 

  Serve as the natural group where nymphs soon to be adults and adults of both sexes remain together, thus facilitating mating.

• 

  Are maintained in areas with favourable temperatures, humidity, food supply, and protection.

• 

  Mating.

• 

  Females do not respond to mating behaviour for more than one week after becoming adults.

• 

  Proximity for mating is especially important, as males and females have to touch antennae and exchange sex pheromones to initiate mating.

• 

  Such seclusion means that females with egg capsules feed less frequently and are exposed to pesticides less often.

• 

  Foraging.

• 

  The foraging pattern of German cockroaches is much less random than one would expect.

• 

  As one can imagine, food crumbs often wind up in the same places, that is in wall moldings, corners made by walls, stoves, counters, canisters, etc.

• 

  The most convenient harbourage, in and around refrigerators, stoves, under sinks, and undisturbed cabinets, provides both protection and food.

• 

  While there is less food in bath-rooms, food areas are usually nearby or available through holes around plumbing pipes.

• 

  These pipes provide additional harbourage and areas for population expansion into adjacent rooms or apartments.

• ...and More!