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How to Get Rid of or control German Cockroaches?

The German Cockroach, Blattella Germanica, is the plague with the greatest economic impact, it is one of the most common to find in homes, apartments, restaurants, hotels and other institutions. These pests always attack your kitchen, thanks to the dependence on water they need, that’s why we offer you the best solutions to kill the odious German cockroach.

Your name probably does not sound to you, but we assure you that if you have ever had cockroaches at home or in your premises, it is more than likely that it was of the German cockroach type you want to kill, with the gel kills cockroaches, you can annihilate their existence.

German Cockroaches (Blattella germanica)

They are one of the most common types, belonging to the blatella germanica species, and you will recognize them by their brown color. Its size is between 1.3 cm and 1.6 cm and … Yes, we are sorry to inform you that they have wings.

This is due to the predilection of this species of cockroach for starchy foods such as potatoes, bread or any that is made with flour in much of its composition.

In addition, its species is capable of reproducing up to six generations in a single year. Its favorite place is usually a humid and warm place, and of course, they are a source of transmission of bacteria and germs harmful to health. But do not worry, because if they have arrived in the form of an unexpected visit, there are different ways to eliminate the German cockroach.

The life cycle of German Cockroaches

The German cockroach has one does not stop producing offspring. A German cockroach in a short time produces a capsule containing 30-40 eggs. The female carries the eggs for a week until the day of eclosing the eggs, and then hide before releasing her capsule.

By doing this it ensures the future of the species avoiding possible damage to the female and her eggs. The immature German cockroaches (nymphs) are fast growing to be in an environment conducive. The six emergency lines of the capsules change their skin (six times more) 60 times.

After spending the last time, the adult cockroaches come out completely with wings and mature sexually. The German cockroaches do not stop reproducing, only one German cockroach can produce up to eight capsules and more than 300 descendants in total, all insane!

If half of the cockroaches are females and each one produces 300 nymphs, and half of those are females, and each one produces 300 nymphs, this can be out of control … I think you already have an idea!

German cockroaches are more sociable, they eat together or congregate in spaces of their liking that are warm, wet and dark that are close to a source of food and water. German cockroaches like porous surfaces like wood, paper or cardboard much better than surfaces that are not porous like metal. These insects “mark” these porous surfaces with an aggregation pheromone, which is found in their feces. These feremonas affect the behavior of the other cockroaches, attracting them, especially the smaller ones. These small cockroaches do not need to venture into the rest of the world for food, as they eat from the feces of adult cockroaches.

These unpleasant insects prefer places that are difficult to access, some examples of these places are the cracks and crevices of the counters, in the wooden cabinets, in the holes in the walls and the ceilings, in the refrigerators, in the electric dishwashers, in stoves, in washing machines, in dryers and in water heaters. German cockroaches depend heavily on water, which is why they mainly infect the kitchen and bathrooms. If the German cockroaches have a favorable habitat, they can multiply rapidly when the temperature is warm. When any of these sources is limited or eliminated, populations can not grow and may even decline.

How do you know if you are infected with German cockroaches?

Inspections. Look for German cockroaches (live or dead), cockroach feces (see Figure 3-10), molted or discarded skins and look for empty capsules. Concentrate your efforts in areas that have not been touched by high humidity where the water is located (kitchens and bathrooms). Use sticky traps to detect infestations and help calculate how big the cockroach problem is.

How do you get rid of or control German cockroaches?

  • Focus on the kitchen, bathroom, and any other room where food and / or water are readily available
  • Look for possible cockroach habitats near electric heat sources, such as refrigerator compressors and fan motors.
  • Apply crack and crevice treatments and / or gel baits to all cracks, crevices and joints where cockroach activity is observed. The preferred habitats are in the cracks, inside, under, and behind the cabinets, and where the counters touch the walls and the kitchen sinks and sinks.
  • Examine baseboards, wood trim between the wall and ceiling, and prefabricated wall panels. Apply crack and liquid crack, aerosol, or LPU insecticide or gel bait treatments if signs of cockroaches are found.
  • Examine wall decorations, such as watches and paintings, for the presence or evidence of cockroaches. Use freezing, gel bait, or crack and crevice aerosol treatments • Small appliances, such as roasters and blenders, should be checked for signs of cockroaches. Gel baits, crack and crevice aerosols, or freeze sprays are the best treatments. Avoid contact of insecticides with surfaces that come into contact with food.

Examine the large appliances to see signs of cockroaches. Pay special attention to the areas below the magnetic seals on the doors of refrigerators and freezers. If found, carefully apply liquid insecticides from cracks and crevices, aerosol, or LPU insecticides and / or gel baits in infested areas. Never apply insecticides so that food, dishes, or utensils can become contaminated.

  • Gaps in walls, ceilings, or floors in kitchens and bathrooms are also favorite habitats. Applications of powders, liquid for cracks and crevices, aerosol, LPU, or gel bait can be used in these places. The most likely entry to the holes in the walls is through the openings around the pipes and below the kitchen washers and sinks. Apply a treatment and seal these openings.
  • Hollow places such as table legs and chairs are very important hiding places because they are easily overlooked. Treat these areas in the same way as places with cracks and crevices, or carefully apply small amounts of dust. Baits are also especially effective in these places.

How to get rid of or control small german cockroaches?

When we see a small cockroach we must assume that there is more. Like their older sisters, small cockroaches move in colonies and are also difficult to exterminate. If we want to avoid them, we must have everything very clean. These insects prefer areas where their own excrement is, so eliminating those foci is essential. For this we can use a mixture of water and chlorine or any antibacterial cleaning product. Then, we must exterminate them with any of the previous methods.

How to get rid of or control german cockroaches in the kitchen?

One of the main areas where cockroaches appear in the kitchen, with which their elimination always becomes more complex due to the risk of toxicity.

It is important to know that these annoying insects prefer wet and dark places, so it is common to find them behind and under the refrigerator, the kitchen or other appliances. They also tend to get inside cupboards or kitchen furniture, cracks or crevices in the wall, drains, pipes, faucets, food storage areas or near garbage.

Therefore, if we want to keep these bugs away from our beloved kitchen, we must pay close attention to wet sites, fix fissures in pipes, seal the holes surrounding the appliances and keep the place as dry as possible. It is also essential to empty and clean shelves every so often to take care of their hygiene and keep them free of pests.

Baits for get rid of or control German Cockroaches

A product easy to find are tubes of baits in gel. This method attracts cockroaches, so you should place it in the areas where they usually pass. For example, frames of doors and windows, edges of cabinet doors and areas of union of different parts of furniture, possible cracks, holes and drawers. Of course, try to be areas where small children and pets do not tend to frequent.

On the other hand, there are also bait stations, which are presented as a kind of house for cockroaches that have entrance areas and contain poison inside. If the effect does not manage to be fulminant and they do not die in the act, they will do it a few meters from the station.

Boric acid for get rid of or control German Cockroaches

Boric acid is a very effective remedy in the fight against pests, especially cockroaches. It is a white powder that can be bought in hardware stores or health stores and that is usually mixed with some appetizing food such as sugar, so that the insect ingests what interests it and ends up dying because of the poison.

The best way to get an effective death is to place several traps for the cockroach to swallow this mixture several times. The best places are the low areas of the appliances or in the gaps between the furniture, or any area where you think you can live or have the nest.

The traps for get rid of or control German Cockroaches

It is an infallible method for almost all pests. Traps with glue, for example, manage to attract cockroaches, since they usually contain pheromones or some sweet element that catches their attention. When they come for their prize, they stay stuck, and die from starvation or intoxication.

It is very important that before using the products read the instructions of use well and take the necessary precautions to avoid that the most vulnerable groups come in contact with them since some products are toxic.

Eliminate food and water for get rid of or control German Cockroaches

No matter what type of chemical control you decide to use, you must also reduce food and water sources in your home or the cockroaches will return. Cockroaches do not need much food to survive, so keep cabinets, counters and kitchen appliances clean and without waste.

Quickly clean spilled food and wash dishes immediately after use. Vacuum the floor daily, paying special attention to the areas where you eat, including kitchen islands and dining tables.

This not only collects food, but can also suck cockroaches with their skins, feces and eggs. Empty the contents of the garbage cans outside. Remove moisture by repairing all plumbing leaks. Do not leave water in wells, and collect pet water and food dishes at night.

Summary German cockroach (Blatta germanica)

They are light brown, small (1-2 cm long) and with long non-functional wings. They are characterized by having two dark lines in the pronotum (dorsal plate that lies behind the head). The females always carry with them the ootheca, a kind of elongated capsule that contains the eggs and that is inserted in the back part of the insect.

As the rest of cockroaches is nocturnal, being very thin, they find shelter in any narrow slit, they like warm areas and with some humidity, they are also known as “coffee cockroaches” since the coffee machine of Bars is one of your favorite refuges. If you see German cockroach specimens during the day it means that you may have a very serious infestation.

Lifecycle of German Cockroaches

  • The females have attached the ootheca to the abdomen until the eggs hatch.
  • Each ootheca contains between 35 and 40 eggs.
  • The incubation period of the eggs is about 1 month.
  • Nymphs can take up to 6 months to reach adulthood.
  • There may be 3 to 4 generations per year.

Appearance of German Cockroaches

  • They are 12 to 15 mm in length.
  • Brown with two dark bands on the thorax.
  • While they can not fly, the wings are as long as the thorax in both sexes.
  • They have adhesive pads on their legs, which allows them to move through smooth walls with absolute ease.

See also how to eliminate american cockroaches

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