Illinois is located in the midwestern region of the United States and is one of the most significant GDP contributors. The weather varies widely throughout the year and has somewhat warm winters compared to the other regions. It has hot and humid weather, which ensures a comfortable climate for the subsistence of cockroaches. These roaches not only seem dirty but carriers of pathogens and spread diseases among humans and spoil food.

The three invasive Cockroaches in Illinois are:

1. American Cockroach

Scientific Name: Periplaneta americana

American Cockroach

Description

The American cockroach is a giant cockroach. The adult body length is approximately 38mm. The antennae extending from the head equals the body if they are intact in their original size. They are reddish-brown with a yellowish edge on the pronotum. They have strong wings and are capable of flying.

Habitat

They occur in the dark, damp, warm areas, often near steam pipes, in sewers, grease traps, wet basements, etc. They mostly happen to be in restaurants, grocery stores, bakeries, breweries, pet shops, and other establishments where food is prepared or stored.

Lifespan

They can survive for up to two years, which is much longer than other cockroach types.

Countering Measures

  • Carefully check cartons and anything that comes from outside before taking it inside.
  • Always check abandoned areas and clean them from time to time.

2. German Cockroach

Scientific Name: Blattella germanica

German Cockroach

Description

They are Light brown to tan and usually have a darker color in the early stages of development, which lighten to a faint brown in later stages. They have long, comprehensive, and flat bodies, with six legs and two long antennae protruding from the head. They also have two dark longitudinal lines on the shield behind their head. These are among species of cockroach that do not fly, despite having wings, which helps in catching or tracking their progress through the house.

Habitat

They prefer a warm, humid, dark, and well-hidden environment and can be found anywhere in cupboards, up under kitchen sinks, in drawers, closets, etc. This pest loves to stay indoors, and it is one of the most challenging jobs to eradicate them from indoor environments. 

Lifespan

German Roaches can survive up to 100 to 200 days.

Countering Measures

  • Eliminate any such spaces which can be potential hiding places for roaches.
  • Keep your houses sanitized and clean.

3. Oriental Cockroach

Scientific Name: Blatta orientalis

Oriental Cockroach

Description

It is approximately 1 inch long (22 to 27mm) and dark brown to black. Males have wings that cover 3/4 of their body, and the female has very short wings. 

Habitat

Oriental roaches can be found in cold, dark, and damp areas like basements, bathrooms, and in abandoned washing machines. While they primarily live outdoors during hotter months for reproduction, they may harbor your home during the winter in search of food and protected areas to thrive.

Lifespan

The average lifespan of these roaches is 110 to 160 days.

Countering Measures

  • Remove rotting leaves and other such litter from window wells.
  • Move garbage cans out of moist habitats as cockroaches harbor places where food and moisture are readily available.

Conclusion

Roaches should be effectively managed, and if they are large in numbers, proper professional consultation should be considered as once they infest in large numbers, they can cause severe damage.

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