Kitchen Bugs Identification Guide: How to Get Rid of Each Type

Written by Kayeleen Parsons
Updated: June 19, 2023
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The kitchen is seen as the heart of the home, a gathering area for families to cook, dine, and spend time together. However, it is also a breeding area for a wide range of pests, from cockroaches and ants to fruit flies and pantry bugs. These unwanted pests can endanger our health and houses by polluting our food, transmitting disease, and even causing structural damage. In this blog post, we’ll examine the various sorts of bugs that infest kitchens.

What attracts them to these specific locations, and what can you do to prevent and control them? So, whether you have an existing bug problem or simply wish to secure your home from potential incursions, this guide will keep you knowledgeable on how to keep your kitchen bug-free.

The 5 Most Common Types of Kitchen Bugs

Cockroaches, ants, fruit flies, drain flies, silverfish, and pantry pests such as beetles and weevils are the most prevalent pests in the kitchen. These unwanted insects hide in kitchen appliances, sinks, cabinets, or drains, particularly in the moist places beneath sinks.

Kitchen Bugs Identification

1. Cockroaches (Blattella germanica)

Kitchen cockroaches often have a flat, oval-shaped body appearance and a reddish-brown skin color. They have six legs and long antennas. The typical length it will grow up to is 5.12 inches. You can also recognize cockroaches by their droppings. They produce small fecal droppings that resemble pieces of coffee grinds or black pepper. You might also notice smears or stains on surfaces where they have crawled.

Cockroaches prefer to hide during the day and are most active at night. They favor warm and dark settings, especially around elements that include your fridge and tumble dryer. Cockroaches are attracted to food and moisture and often appear near water sources such as sinks, pipes, and drains.

Cockroach Infestation - Cockroach in kitchen

Cockroaches are attracted to food and moisture and often appear near water sources such as sinks, pipes, and drains.

©iordani/Shutterstock.com

2. Ants (Tapinoma sessile)

Kitchen ants are a common pest issue in many homes across the globe. Although they are a nuisance, you can easily identify these pesky insects. They display two antennae on their heads, a slender waist with a bulbous body, and six legs. Their abdomen consists of a little stinger attached to the end of the body. Overall their appearance is shiny and hairless. They can range from red, brown, and black in color and grow in length from 1/16 and 1/8 of an inch.

Observing the habits of these little scavengers might help you identify them. For example, you’re probably dealing with kitchen ants if you witness a line of ants moving directly from a food source to their nest. In addition, you may also observe ants in great numbers near sweet or syrupy spills, such as those from soft drinks, honey, or jam.

Ants on sugar spoon

You may observe ants in great numbers near sweet or syrupy spills, such as those from soft drinks, honey, or jam.

©iStock.com/RHJ

3. Fruit Flies (Drosophila melanogaster)

Fruit fly adults measure 0.125 inches in length, with a tan or brownish-yellow body and red eyes. They have transparent wings with recognizable veins and short hair covering their bodies.

Fruit flies are drawn to overripe or rotting produce and sweet things like fruit juice and wine. Additionally, they tend to be attracted to moist regions like drains and garbage disposals.

fruit flies eating fruit

Fruit flies are easily mistaken for the common housefly.

©iStock.com/hoja_viva

4. Drain Flies (Psychodidae)

Damp places attract drain flies, particularly those with stagnant water, decomposing organic matter, and bacteria. As a result of their attraction to garbage disposals, where they feed on food scraps and organic material that collects in the pipes, they are frequently found in kitchens.

These insects are tiny, non-biting flies that surround drains and sewers. Drain flies are also referred to as “sewer gnats” or “moth flies.” Many of these flies are brown or black, with long antennae and wings held over the body when at rest. They have a fuzzy, moth-like textured look.

Drain flies are distinguished by their size as they appear smaller than fruit flies. These gnats measure around 1/8 inch in length. They also have characteristic vein patterns on their wings that distinguish them from other varieties of flies.

Moth Flies in a drain pipe

Damp places attract drain flies, particularly those with stagnant water, decomposing organic matter, and bacteria.

©Jay Ondreicka/Shutterstock.com

5. Silverfish (Lepisma saccharina)

These slithering insects display long, flat, slender bodies and silvery-blue or gray scales covering their body. Adult silverfish usually are 0.5 to 1 inch long, with two long antennae and three long bristles at the back of their bodies.

Silverfish are nocturnal and like humid, dark places. They feed on various materials, including starchy, paper, and cardboard boxes. They can also eat mold and dead insects that hide in non-visible areas of your kitchen.

silverfish

Silverfish do not carry any diseases and hardly bite humans.

©2Dvisualize/Shutterstock.com

The 4 Most Common Types of Kitchen Beetles

Pantries are home to various unruly pests that infest food products stored in the kitchen. Beetles are drawn to cupboard-dried food items because they provide an excellent source of nutrition. Dried food items such as flour, grains, cereals, and spices are high in carbs and proteins, all of which are necessary for beetle growth and development.

These insects include drugstore beetles, flour beetles, and sawtooth grain beetles. Beetles have a keen sense of smell and can detect food odor from a long distance away. They are drawn to the scent of fermenting or decomposing food because it indicates that it is an excellent source of nourishment. When they find a food supply, they lay their eggs on or near it, and the larvae hatch and feed on it.

1. Flour Beetle (Tribolium confusum)

The flour beetle gets its name from the fact that it is commonly found in flour and grains. It is a tiny, reddish-brown beetle with a length of about 1/8 inch. The beetle has a separated head from its thorax, and its body is elongated and flattened. Its clubbed antennae are almost the same length as the head and thorax combined. Flour beetles are recognized for their rapid reproduction, making them a common problem in the pantry.

The flour beetle gets its name from the fact that it is commonly found in flour and grains.

©Tomasz Klejdysz/Shutterstock.com

2. Drugstore Beetle (Stegobium paniceum)

This beetle is a brownish insect that has the ability to gnaw through packaging and infest dry stored food and medications. The adult beetle has a distinctive, elongated form and is around 1/16 to 3/32 inches long. Fine hairs cover its body, and the wing covers have longitudinal ridges.

The drugstore beetles infest dry stored food and medications.

©Tomasz Klejdysz/Shutterstock.com

3. Sawtoothed Beetle (Oryzaephilus surinamensis)

Sawtoothed grain beetles infest a wide range of dry food items, including wheat, cereal, pasta, dried fruit, and pet food. The beetle’s name refers to the parallel-to-the-body ridges on its wing coverings, giving its saw-like projection appearance.

The adult beetle is long and has an elongated, flattened body. Its body displays a reddish-brown tone in color, followed by a small head tucked under its prothorax. Unfortunately, these beetles have a high rate of reproduction, which results in infestations that contaminate and ruin food.

The sawtoothed grain beetles infest a wide range of dry food items.

©Tomasz Klejdysz/Shutterstock.com

4. Rice Weevils (Sitophilus oryzae)

This tiny, brown insect, known as the rice weevil, is a common pest that infests grains, including rice, wheat, corn, and barley. The body of the adult weevil shows an elongated and flattened body shape, and it is between 1/8 to 3/16 inches long. In comparison to males, females have longer noses and extended heads. The tips of the elbowed antennae are little club shapes. The beetle has wing coverings coated in tiny pits of reddish dots, and its abdomen appears shorter than the coverings.

Maize Weevil or Rice Weevil - Types of Brown Beetles

The rice weevil is a common pest that infests grains, including rice, wheat, corn, and barley.

©Cherdchai Chaivimol/Shutterstock.com

How to Get Rid of Each Kitchen Bug

Cockroaches

It’s crucial to ensure there is no extra moisture or food debris on countertops or behind appliances if you want to remove cockroaches from your kitchen.

You can make a dough made of boric acid, flour, and sugar to manufacture cockroach traps. Place the traps behind cupboards and drawers and underneath sinks and ovens. The boric acid destroys the kitchen bugs as the sweetness draws them in.

Ants

The first step in getting rid of kitchen ants is determining their origin. Look for their trails, which are frequently evident near food sources, such as counters, cupboards, and pantry shelves.

Chalk your home’s entry points if the ant colony is nesting in your kitchen. Ant traps are another option to consider if you want to keep ants at bay and reduce their population indoors.

Fruit Flies

Fruit fly infestations can be prevented and controlled by storing fruits and vegetables in sealed containers or in the refrigerator and discarding any overripe or damaged products.

Drain Flies

Cleaning and sanitizing drains, getting rid of stagnant water, and minimizing sources of organic waste are all crucial steps in getting rid of drain flies. In addition, professional pest management may be necessary in cases of severe infestations.

Silverfish

You can keep silverfish at bay by using dehumidifiers, sealing cracks and crevices in walls and floors, and eliminating food sources. If necessary, an exterminator can use and apply insecticides.

Beetles and Weevils

Beetles and weevils can contaminate food with their feces, shedding skins, and body parts, making it dangerous for humans to consume. To prevent pantry beetle problems, you must store dry food items correctly in airtight containers and regularly check them for signs of infestation.

Kitchen Bugs: Final Thoughts

Remember that kitchen bugs are not just an annoyance but also a health risk, so take precautions to keep your kitchen clean and bug-free to create a protected and healthy environment for you and your family.

The photo featured at the top of this post is © iStock.com/RHJ


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About the Author

Kayeleen Parsons is a writer at A-Z Animals that thoroughly enjoys writing about animals of all types. She has a love for many animals, but her Cocker Spaniel dog holds a special place in her heart. In addition to being a writer, she's also an English teacher, sharing her knowledge to help her students become excellent in the language and literature. When she's not busy writing, Kayeleen enjoys reading and spending quality time with her family in her homeland of Cape Town.

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