Which of the following is a major corn insect pest?

Some of the most important corn pests, including black cutworm, fall armyworm and corn earworm, are migratory, others, such as

European corn borer

European corn borer

Life cycle. The European corn borer progresses through four developmental stages. These are the egg, larva, pupa, and adult. The insect is referred to as a borer in its larval stage and as a moth in its adult stage.


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European corn borer – Wikipedia

, overwinter in the field.

What are the major insect pest in corn?

Of the 47 insect species recorded feeding in corn, four are considered major problems in its production. These are the corn seedling maggots (Atherigona oryzae Malloch.), the root grubs (Leucopholis irrorata (Chev.)), the corn borer (Ostrinia furnacalis Guenee) and the corn earworm (Helicoverpa armigera Hubn.).

What are the four major pest of maize?

There are four major pests of maize prevalent in India. These are spotted stem borer [Chilo partellus (Swinhoe)], pink stem borer [Sesamia inferens Walker], shoot fly [Atherigona spp.] and fall armyworm [Spodoptera frugiperda (J. E. Smith)].

What is a corn bug?

The corn flea beetle is a tiny pinhead-sized [1/16 inch (1.6 mm) in length] black insect with thickened hind legs that enable it to leap considerable distances when disturbed. Flea beetle eggs are deposited on weeds, corn, other cultivated crops, or in the soil near the host plant.

What kind of bugs get in deer corn?

They are corn weevils. That’s the little critter that makes that “dust” in the corn. As long as your feed stays dry, they won’t hurt anything.

Which of the following is a major pest of soybean?

They are corn weevils. That’s the little critter that makes that “dust” in the corn. As long as your feed stays dry, they won’t hurt anything.

What is the best pesticide for maize?

Chemical control of eyespot has proven effective in Maize Growers Association trials. Fungicide mixes such as Comet (Pyraclostrobin) or Quilt Xcel (Azoxystrobin + propiconazole) have been shown to give six weeks protection and delay the eyespot infection.

Which of the following are agricultural pest?

Pests can include weeds, plant pathogens (certain fungi, bacteria, and viruses), rodents, and nematodes in addition to the plant-feeding insects and mites described in the preceding text, and are estimated to destroy as much as one-third of all agricultural yield.

What is considered a pest?

A pest is any organism that spreads disease, causes destruction or is otherwise a nuisance. Some examples of pests are mosquitoes, rodents, and weeds. Not all insects are pests. Many different kinds of insects eat other insects and are beneficial species.

What insect eats corn leaves?

Armyworms, corn earworms, grasshoppers and beetles are all bugs that eat corn leaves, advises the University of California, Davis. You can pick visible pests off the plants, but the damage caused will not likely affect your corn crop. Corn earworms will also feed on the ears of corn and corn kernels.

What are corn flies?

What Are Corn Flies? “Corn flies” is only one of the several names these flying creatures have. Also known as “flower flies” and “hover flies,” they belong to the Syrphidae family of insects. They have long, narrow bodies similar to a wasp or bee, with some sub-species having yellow markings on their backs.

What kind of bugs are in dried corn?

Similar to other pantry pests, granary and rice weevils will infest and feed on whole grains and rice as well as nuts, beans, cereals, seeds, corn, and other such foods. But unlike beetles that live and feed on foods, these weevils actually live and feed inside the food.

What bugs get in shelled corn?

Weevils and AGM can develop in both ear corn and shelled kernels. AGM and saw-toothed grain beetle can coexist, but maize weevil or lesser grain borer will suppress AGM population. Like most stored grain insects, AGM infestations can begin from adults emerging from small amounts of carry-over corn in a crib.

What are the black bugs in deer corn?

Weevil infestations can cause severe damage to stored grains. Weevils are quite evasive as the female insect bores into kernels, depositing larvae inside and sealing the hole. Immature weevils develop inside the grain kernels and emerge as adults which makes them difficult to control.

What are three major pests for soybeans?

Photos and identification and injury information for major insect pests of Nebraska soybean, including Dectes stem borer, soybean thrips, whiteflies, soybean aphid, potato leafhopper, twospotted spider mite, green stink bug and brown stink bug.

Which is Oligophagous insect pest?

An oligophagous pest of leguminous plants. adjective. 2. Feeding upon a limited variety of food, as certain caterpillars whose diet is restricted to a few related plants.

Are the major pest of sugarcane?


However, borers, white grub and termite in ratoon crops are recognized as major pests. Among the borers, top borer is of concern in North India. Early shoot borer and internode borer are prevalent throughout the sugarcane growing areas.

Which of the following is insecticides?

These include: aldrin, chlordane, DDT, dieldrin, endrin, heptachlor, mirex and toxaphene.

Which of the following is primary pest of storage?

Primary pests

Primary grain pests attack the whole grain. The eggs are laid inside the grain, before the larvae mature inside the grain and then chew their way out. Some of these pests include the Lesser grain borer, Granary weevil (Sitophilus granarius, the Wheat weevil) and Rice weevil (Sitophilus oryzae).

What are five types of pests?

Five Groups of Pests

Arthropods – Insects, Mites, Ticks and Spiders 2. Vertebrates – Animals with backbones 3. Weeds 4. Pathogens – Disease-causing organisms 5.

What are crops pests?

Meaning of Crop Pests

A pest can be described as an organism, whether plant or animal, which causes economic damage to crop plants, livestock, man and his possessions. They attack crops on the field as well as in the store. They may harm crops directly or introduce diseases into them.

What are the major insect orders belonging to insect pest of economic importance?

The major insect pests of economic importance on vegetable crops and their biology were investigated during three successive seasons (1997-1999). Twelve species belonging to eight different families and four different orders Hemiptera, Homoptera, Thysanoptera and Lepidoptera were recorded on different host plants.

What are the three types of pest?

Types of Pests

  • Ants, Bees and Wasps. Wasps, bees and ants (collectively known as hymenopterods) are one of the largest orders of insects. …
  • Bed Bugs. Bedbugs are small, elusive, and parasitic organisms all belonging to a family of insects called Cimicidae. …
  • Cockroaches. …
  • Fleas. …
  • Flies. …
  • Myriapods. …
  • Pigeons. …
  • Rodents.

What are insects for Class 3?

1- Butterflies have four wings. 2- They have a pair of antennae. 3- Their body is divided into head, thorax and abdomen. 4- They have six legs.

Grade-3 Science Chapter- 3 Common Insects – Insects in Our Surroundings.

Name mosquito
Does its body have a hard covering? Yes
How many legs does it have? 6
Does it have feelers/ antennae? Yes
Is it an insect? Yes

What is the major pest in corn which tunnels into the plant from eggs laid on the undersurface of leaves?

Damage. First generation borers are usually present during June in the whorl of corn plants. As the larvae feed and grow, some may be found tunneled into the midrib of leaves.

What is the most important insect pest of sweet potato?

Sweet potato weevil is the most disastrous pest affecting sweet potato plantations, causing millions of dollars losses annually.

How do pests affect corn crops?

They hatch into larvae that feed on the roots of a variety of plants. The wireworm overwinters as a larva. When sweet corn is planted in this field the following spring, the wireworms feed on the kernels and cause poor germination and stunted, spindly, sickly plants that often die or are nonproductive.

What are corn bees?

Adult hover flies (aka syrphid flies) can sometimes be mistaken for bees or wasps, because they look a lot like them! Some people refer to hover flies as “corn flies” or “sweat bees,” but these insects are actually quite different from bees.

What are harvest flies?

n. Any of several cicadas of the genus Tibicen that produce a shrill sound heard late in summer.

What are small black flies?

Fungus Gnats: If the flies are small, black, and flying around windows or potted plants, then they are probably fungus gnats. These flies are the most common small fly in houses. They are small, delicate black flies that are weak flyers and often collect at windows.

What food contains bugs?

Staples like broccoli, canned tomatoes, and hops readily contain “insect fragments”–heads, thoraxes, and legs–and even whole insects.

What is the insect site on uncovered food?

Flies are sit on the uncovered food .

Where do weevil bugs come from?

What Causes Weevils in Food Storage Areas? Weevils generally gain entry into your home through purchased containers of whole-grain cereal products that have been infested at food processing and packaging centers. Once in your home, weevils can spread to whatever cereal grains are available to them.

Which of the following insects infest the grains in the field and then comes to storage?

Grain Weevils. The three economically important species of the weevil family Curculionidae that infest cereal grains in storage are the rice weevil, S.

What does maize weevil do?

This species attacks both standing crops and stored cereal products, including wheat, rice, sorghum, oats, barley, rye, buckwheat, peas, and cottonseed. The maize weevil also infests other types of stored, processed cereal products such as pasta, cassava, and various coarse, milled grains.

Do corn weevils fly?

The maize weevil has fully developed wings beneath its wing covers and can fly readily. The thorax is densely pitted with somewhat irregularly shaped punctures, except for a smooth narrow strip extending down the middle of the dorsal (top) side.

What are weevil grubs?

Weevils are small beetles that have noticeable snouts. They are often lightbulb- or pear-shaped. The immature, legless, grub-like larvae feed on plants. Adult weevils look for shelter in unfavorable weather conditions, especially when it is hot and dry.

Do corn weevils bite?

Weevils contaminate infested food with their feces and cast skins, causing more damage than they eat. So, an infestation may render entire packages or pantries of food inedible. Stored product weevils do not bite and they do not cause damage to dry, decay-free wood inside homes.

Do corn weevils bite humans?

Q: DO WEEVILS BITE HUMANS? A: No. Weevils feed exclusively on grains, seeds, nuts, roots and even some fruits. … And, unlike ants or wasps, weevils will not attack when threatened.

What insects feed on soybeans?

Bugs like bean leaf beetles, stinkbugs and soybean aphids have been associated with the virus. Pod feeders hurt yield, says Syngenta agronomist Scott Gard. “They will pierce the pod and damage the soybeans in those pods, causing them to shrivel up,” he says.

What is girdle beetle?

Symptoms of damage. Girdling of stems and petioles. The inside of the stem is eaten by the larvae and a tunnel is formed inside the stem. The leaves of plant of infected portion are unable to get the nutrient and are dried up.

What is Coragen insecticide?

Coragen® insecticide is an anthranilic diamide Broad Specturm insecticide in the form of a suspension concentrate. Coragen® insecticide is particularly active on Lepidopteran insect pests, primarily as a larvicide.