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Insect Website Title

Beneficial Insects (and relatives) Index


Predators:

Coleoptera - Collops Beetle (Family Malachiidae); Fireflies (Family Lampyridae); Glow-Worms (Family Phengodidae); Ladybugs (Family Coccinellidae); Minute Fungus Beetle (Family Orthoperidae); Net-Winged Beetle (Family Lycidae); Predaceous Ground Beetles (Family Carabidae), Rove Beetle (Family Staphylinidae); Soldier Beetle (Family Cantharidae); Tiger Beetle (Family Cicindelidae)

Dermaptera -Striped Earwig (Family Labiduridae)

Diptera - Gall Gnat Larvae (Family Cecidomyiidae); Long-Legged Fly (Family Dolichopodidae); Mydas Fly (Family Mydidae); Robber Fly (Asilidae );Syrphid Fly(Hover, Flower) Larvae (Family Syrphidae)

Hemiptera - Ambush Bug (Family Phymatidae); Assassin Bugs (Family Reduviidae); Big-eyed bug (Family Lygaeidae, sub-family Geocorinae); Damsel Bugs (Family Nabidae); Minute Pirate Bug (Family Anthocoridae); Spined Soldier Bug (Family Pentatomidae, Podisus spp.); Two Spotted Stink Bug (Family Pentatomidae)

Hymenoptera - Paper Wasp (Family Vespidae); Yellow Jacket Wasp(Family Vespidae)

Neuroptera - Antlion (Family Myrmeleontidae); Lacewing Larvae (Families Chrysopidae, Hemerobiidae); Mantidfly (Family Mantispidae)

Non-Insects - Predatory Mites ; Spiders (Black Widow, Brown Recluse, Hobo, Orb Weaver, Crab, Funnel-web Weaver, Jumping, Lynx, Mesh-web Weaver, Sheet-web Weaver, Wolf)

Odonata - Dragonflies (Families Petaluridae, Gomphidae, Aeshnidae, Cordulegastridae, Macromiidae, Corduliidae, Libellulidae); Damselflies (Families Calopterygidae, Lestidae, Coenagrionidae)

Orthoptera - Praying Mantis (Family Mantidae)

Thysanoptera - Banded Thrips (Family Aeolothipidae, e.g. Six-spotted Thrips (Scolothrips sexmaculatus), Banded-wing thrip (Aeolothrips fasciatus)

 


Parasitoids:

Diptera - Bee Fly (Family Bombyliidae);Tachinid Fly Larvae (Family Tachinidae)

Hymenoptera - Braconid Wasp (Family Braconidae); Chalcid Wasp (Family Chalcididae); Ichneumon Wasp (Family Ichneumonidae); Trichogramma Wasp (Family Trichogrammatidae)


Pathogens:

Bacteria

Bacillus popilliae (also known as milky spore disease) is effective against larva of Japanese beetles. Some brands claim control of oriental beetles, Rose chafers and some May and June beetles. Some commercial products are Doom, Japidemic and Grub Attack. It takes one or more years to completely control beetles.

Bacillus thuringiensis (Bt) is a bacteria which attacks caterpillars and various other insects depending on the variety. Dipel, Thuricide, Bactur, Mosquito Attack are some commercial names associated with Bt; be sure and read the label for pest effectiveness. It disrupts the insect's digestive system so they starve. It is a very safe remedy.:

var. berliner/kurstake is effective against leaf-eating insect larvae such as loopers, hornworms, corn earworms, gypsy moth caterpillars, oakworms, meal & flour moth worms, diamondback moth caterpillars, fruitworms, leaf folders and most species of leaf-eating moth larvae and butterflies.

var. San Diego tenebrionis is effective against Colorado potato beetles and elm leaf beetle.

var. israeliensis is effective against mosquito larvae and black fly larvae. It can be applied to water breeding sources for mosquitos.

Nosema locustae is a single-cell protozoan which can infect and control grasshoppers of the Malanoplus family, locusts and mole, mormon and black field crickets. Takes up to a year to develop good control. Nolo and Grasshopper Attack are two of several commercial products available.

Funguses

Caterpillars, aphids, mole crickets and whiteflies are some of the insects attacked by fungus.

Aschersonia (red and brown) attacks whiteflies and can completely destroy a population.

Nematodes

Steinernema and Neoaplectana carpocapsae prey on termites and the larvae and grubs of various beetles, weevils, armyworms, cutworms, chafers, webworms, borers, maggots, fleas and fungas gnats. This nematode enter their prey through body openings and kill their host within 2 days. The nematodes continue to produce and seek new prey. Check the label on Scanmask, Biosafe, Bio-Logis and Grub-Eater commercial products for specific pests that they are effective against.

Heterohabditis bacteriophora is similar to S. carpocapsae but it can enter it's prey through it's body walls as well as through body openings.

Viruses


Weed:

Coleoptera - Klamathweed Beetle

 


Last edited: 11/06/99 11:28 PM

 

 

Disclaimer:

The help provided by the author of this site is the best scientific based information, about which he is aware, but gardening is not an exact science due to the many unpredictable elements involved so the results can not be guaranteed. E-mail feedback is therefor invited to keep the author aware of successes and failures. Also let me know if you are the author of anything that appears to be illegally incorporated in violation of your copyrights.