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Organic Pest Remedies A-C

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Pests D-G | Pests H-N | Pests O-S | Pests T-Z

One of the biggest pains to having a beautiful garden is fighting off those bad bugs. I keep picturing the day when I have totally eradicated all harmful insects and my gardens are glowing with beauty. Then my wife woke me up.

We have to do the best we can with what we have and I highly recommend the natural way. Below is a list of harmful insects that are in one area or another of the USA.

There are different ways to rid your garden temporarily of these pests, I say temporarily because we all know that we have neighbors that don't fight the pests like we do.

The first way and probably the best way is to attract good bugs to the garden. We can buy beneficial insects and plant plants that attract them.

We have many birds that love to eat these pests and if we provide a place to live and nuture we have a strong ally - even bats.

Working in a small garden we can handpick, or make our own natural spray with the use of garlic, onions, and peppers.

Chop these items up and then soak them in a pint of water overnight. Strain them and then spray the juice on plants.

This one works great on most plants, including flowers.

These topics will be beneficial to read also.

What To Look for: Diseases

What To Look for: Pest Management Practices

Integrated Pest Management (IPM)

Organic Pest Remedies

ambrosia beetle flickr EBKauai

Ambrosia Beetle
The adults drill into the limbs and littler trunks most likely of peach, pecan, plum, cherry, persimmon, oak, elm, sweet gum, magnolia, fig, Bradford pear and crape myrtle, but others may also be assaulted.

There are no predators known yet.

Organic control: maintain trees healthy and compost invaded wood at the earliest spotting.

You can also cut down the infested tree and let it rot, or drench the trunk with plant oil spray or orange oil.


Aphids Aphids These pests suck out plant sap, causing distorted plants. Aphids are found all over USA.

Control by water blasting hose. Use garlic-pepper tea as a spray, or beneficial insects.

Release ladybugs, green lacewings, predatory midges, and parasitic wasps.


ArmywormArmyworms They are also known as true armyworms.

They attack small grains in early season.

Use Bt (Bacillus thuringiensis), soapy water, native wasps, or lacewings to control worms.


asian longhorned beetle flickr mike.benedettiAsian Longhorned Beetle
  • Also known as the Starry Sky or Sky Beetle.
  • The main sign of this beetle infestation is the round, 1/2 in. exit holes; frass, a sawdust like material made from tree slivers, insect waste and oozing sap.
  • It was first found in the United States in 1996 in Brooklyn NY.
  • The tree species preferred are hardwoods including several maple species (Norway, sugar, silver, and red maple), box elder, horse chestnut, buckeye, elm, London plane, birch and willow.
  • For control, contact local forestry officials at once so that they can takes steps to contain the outbreak by cutting down and ridding of the trees, or better yet contact the USDA at Beetle Busters

Asparagus beetle adultAsparagus beetle Asparagus is its only food plant.

The larvae and adult are found from spring to late summer.

There are two beetles in this category and they are asparagus and spotted asparagus beetles.


Bagworms, photo Gerald J. Lenhard, Louiana State Univ, Bugwood.orgBagworms (image is male adult, bag, and pupal case) This is a caterpillar stage of a moth that attaches itself to deciduous trees and evergreens, disguised as cones.

Control by hand-picking, Bt (Bacillus thuringiensis), spraying with soapy water, releasing green lacewings or trichogramma wasps.


bed bug flickr michael.aulia Bed Bugs Feed mainly on humans, mice, rabbits, guinea pigs, horses, cattle and poultry.

Treat by thorough, frequent and non-toxic cleaning.

Organic Control: Treat with diatomaceous earth.

Click here to learn about getting rid of bed bugs yourself.


black widow spider flickr JadedDelilahBlack Widow Spider

This spider can be both beneficial and a pest.Black widow spider may refer to:

  • Western black widow or Latrodectus hesperus
  • Southern black widow or Latrodectus mactans
  • Northern black widow or Latrodectus variolus
  • European black widow or Latrodectus tredecimguttatus
  • Redback spider or black widow, Latrodectus hasselti
  • Katipo or black widow, Latrodectus katipo
  • False black widow, of the genus Steatoda, often mistaken for widow spiders
  • Feeds on mostly very small insects, bites to humans are a concern.
  • Natural provides control with mud daubers and predatory insects.
  • Suggested control by using dust with natural diatomaceous earth and orange oil sprays will kill them.

boll weevil wikipediaBoll Weevil
  • Feeds on cotton buds and flowers.
  • Quail and fire ants are natural enemies.
  • Use weevil-resistant strains of cotton

boxelder bug, Whitney Cranshaw, Colorado State University, Bugwood.orgBoxelder bug aka Maple Bug, garage beetle
  • Their size is about one half inch
  • Birds and lizards are natural controllers
  • Feed on boxelder, ash and maple trees
  • Spray with a dilution of 2 tbps. per gallon of soap to water.

brown recluse flickr OakleyOriginials

Brown Recluse Spider

  • Also known as Violin Spider, Fiddleback Spider, brown fiddler
  • They help control several pest insects, but their bite can cause a serious wound and in rare cases the loss of a limb.
  • Nature controls with other spiders, wasps and lizards.
  • Organic control by spraying problem areas with orange oil products, use diatomaceous earth indoors and outdoors and boric acid products.
  • Most bites are minor with no necrosis.

cabbage looperCabbage Looper Will attack many different vegetables, not only cabbage family.

Control by hand picking, native wasps, till ground before adults emerge in spring.


cabbage maggotCabbage Maggot These maggots bore into roots of plant, sign of infestation is wilting at midday.

Control by destroying affected plants, beneficial nematodes, spray with garlic-pepper, or diatomaceous earth around plant.


carpenter ant, Joseph Berger,  Bugwood.orgCarpenter ants Heavy eaters of wood structures, prefer moist wood like where leaks happen around sinks, bathtubs, roof leaks, poorly sealed windows, and hollow porch posts.

Control with boric acid, treating wood or dusting indoors.


chigger, Susan Ellis, Bugwood.orgChiggers 5 lbs/1000 sq ft. of sulfur will control the chiggers.

Carried by animals, and they feed on invertebrates, their eggs, and organic matter.


chinch bugsChinch bugs Contol by using diatomaceous earth or Nosema locustae protozoa by broadcasting on the infected area.


cicada frickr TexasDarkHorseCicada are not locusts

Predators are the cicada killer wasp and birds.


click beetle wireworm Frank Peairs Colorado State University Bugwood.orgClick Beetle wireworm The larvae, called Wireworms, eat small grain seed and seedling roots.

They bore into large roots, stems, tubers, beans, beets, carrots, corn, lettuce, onions, peas, and potatoes.

The adults of many don't feed; some will eat plant foliage.

click beetle flickr ibsutNature controls them with spiders, toads, snakes, birds and beneficial nematodes.

Improve and and ensure well-drained soil.

The adult produces a large click which will cause the adult to jump high in the air, probably a defensive attribute.


cockroach frickr Anil Jadhav Cockroach
  • Common names are cockroach, roach, water bug and palmetto bug.
  • There are about 4,000 species of cockroach.
  • Among the most familiar pest species are the American cockroach, German cockroach, Asian cockroach and the Oriental cockroach.
  • Cockroaches are primarily nocturnal and will run away when revealed to light.
  • Natures control are gecko lizards, scorpions and beneficial nematodes. Some species are killed by temperatures below freezing.
  • Organic controls are boric acid products, baking soda soap and sugar or molasses baits.

codling mothCodling Moth attack apple, pear, and other fruit.

The caterpillars bore through to fruit center.

Can be contolled with sticky tree bands checked daily. May need to use dormant oil.


colorado potato beetle, photo from Whitney Cranshaw, Colorado State University, Bugwood.orgColorado potato beetle Can also affect eggplant and tomatoes.

Control by hand-picking, garlic-pepper tea and diatomaceous earth (DE) mixed.

Bt (Bacillus thuringiensis) can be used.


corn earwormCorn Earworm They will start with fresh silk of corn and eat their way into corn kernels. They do eat other vegetables and fruits.

Control with native wasps, apply 20 drops of mineral oil onto silk about 3-5 days after silk appears.

Try beneficial nematodes on corn stalks.


field cricket, Joseph Berger, Bugwood.org Crickets Diatomaceous earth can be dusted in infested areas at 2 tbps/1000 sq ft.
spotted cucumber beetle, Susan Ellis, Bugwood.orgCucumber Beetles Squash family and other vegetables are their victims.

They feed on leaves and blossoms of plants while larvae feed on roots.

Mulch with lots of straw, apply beneficial nematodes, and destroy infected plants.


cutwormsCutworms These worms will attack most vegetable crops at night and cut through stems or eat entire seedling.

Diatomaceous earth, bone meal, or colloidal phosphate ring around each plant.

Bt (Bacillus thuringiensis) needs to be applied at dusk.

Aluminum foil can be wrapped around plant stem.


Pests D-G | Pests H-N | Pests O-S | Pests T-Z

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