20 insect orders pdf

Termites arose in the late jurassic 150 mya or early cretaceous 140 mya, relatively late compared to other polyneopteran orders. Insects class insecta have segmented bodies, jointed legs, and external skeletons. Protects against noseeums, gnats, sand flies and other tiny insects. The size of the organism reflects the number of described species. While densely woven, this screen still allows good ventilation and visibility.

It has thus been proposed that the names of insect orders, or at least those. Two of the three known wingless, paper clipsize creatures were. Considered here are some of the more important orders which are likely to be encountered. Among the most wellknown species are the american cockroach, periplaneta americana, which is about 30 mm 1 inch long, the german cockroach, blattella germanica, about 15 mm 12 inch long, the asian cockroach, blattella asahinai, also about 15 mm. A number of insect orders are infrequently collected in freshwater habitats and have relatively low richness of aquatic species. This means that you may have to use additional keys to determine the order of that. Some new classifications and new insect orders in current literature, but it is a good general reference. The key included in this guide is only useful for keying adult insects to order. Of all the insect orders, orthoptera displays the most features found in other insects, including the sutures and sclerites.

These are grouped together into two subclasses called the apterygota wingless insects and the pterygota winged insects for further information on classes, orders and subclasses see the classification section. In addition to the class insecta there are three other classes of invertebrates that have six legs, these three. It kills insects above and below the surface including nuisance pests that cause your lawn to thin and turn brown. More than 1 million of the categorized 2 million species are arthropods. What is the class insecta and what traits does it possess. It is hard to say these number of insect orders but i have got 34 orders. These scientific names, usually derived from latin, are generally pieced together from words that represent what the insect is or what it can do praying mantis mantis religiosa. The insects class insecta are divided into a number of orders.

Precision woven fiberglass screen ensures lasting color, flexibility and curb appeal. Introduction to the identification of insects and related. Many orders wont be encountered or noticed because of their size, habitat, or life cycle. Group containing terms related to the different orders of insects. The females are globular in form and live on twigs in cells of resin created by exudations of lac. Larvae nymphs look similar to adults in form and shape but lack both wings and wingbuds. Wingless, flattened laterally, jumping hind legs significance.

Brand names appearing in this publication are for product identification purposes only. Kingdom animals phylum arthropoda class insecta orders. Observe 20 different live species of insects in their habitat. Phifer 20 x 20 noseeum insect screen is a slightly tighter woven mesh designed to control tiny insects.

Blattodea an order of insects that contains the cockroaches. For the first time in 87 years, scientists have discovered an entirely new order of insects. Remember immature insects and adult insects are often very different. Most adults in north america are wingless tropical forms may have wings. They are so well camouflaged that they move slowly on their food plants and are rarely seen by predators. Order hyracoidae is one of three orders that has only one modern family remaining. The isoptera is the only major insect order without an extinct family. Here, the vertex, or the apex dorsal region, is situated between the compound eyes for insects with a hypognathous and opisthognathous head. Adventist youth honors answer booknatureinsects wikibooks.

Insect orders 1 bugwood center for invasive species and. Differential attraction of insect orders to different. At least half of all animals have parasitism as their lifestyle and up to 20% of all insects account to be parasitoid wasps. Results number of insects per order attracted to lights 2011 red yellow green blue black diptera 17 1 34 67 61 lepidoptera 2 5 20 40 150 coleoptera 1 0 1 12 6 trichoptera 0 0 0 23 26 thysanoptera 0 0 2 3 1 table 1. Biological classification the process by which scientists group living organisms. In addition to the class insecta there are three other classes.

Coleoptera, diptera, hymenoptera, lepidoptera, neuroptera part 3. Insects are distinguished from other arthropods by their body, which is divided into three major regions. The indian lac insect laccifer lacca is important commercially. Two of the three known wingless, paper clipsize creatures were collected in 1909 and 1950 and had been.

Insects are the most species rich group of organisms on earth as indicated in this speciesscape. Describe the characteristics that distinguish the principal families and orders of insects. The number increased from 29 to 34 or more because of split of few orders like orthoptera in to three and another new. This means that a certain insect could be a pest in one situation, but the same insect would be neutral in another situation. Thysanoptera thrips life cycle intermediate metamorphosis between complete and simple. Order insectivora insecteaters the three members are the families talpidae moles. Return to insect order home page 2 of 3 weevil pupa inside a seed lady beetle emerging from its pupal case some larvae resemble giant mealybugs all have 3 pairs of jointed legs no prolegs lady beetle eggs lady beetle pupa eggs adults lay eggs where larval food is plentiful.

Click images to enlarge or orange text for more information. A guild describes where an insect must go to find, eat, and process food. Common insect ordersadapted from berkeley natural history museums lesson a quick way to identify common insect orders with edits by ertell 2. Triplehorn and johnson 2005 is a good reference for information about this order. Return to insect order home page 1 of 2 visit us on the web. Insect scientists entomologists categorize groups of living entities as how they are related through the theory of evolution. Also, this key does not cover other creatures related to insects, like spiders, sowbugs, and centipedes. Among the most wellknown species are the american cockroach, periplaneta americana, which is about 30 mm 1 inch long, the german cockroach, blattella germanica, about 15 mm 12 inch long, the asian cockroach, blattella asahinai, also about. Pages in category insect orders the following 30 pages are in this category, out of 30 total. Whether an insect species is a pest depends on the situation. In this introduction, we have described the insect orders beginning with the most primitive wingless insects, and ending with the insect groups that have undergone the greatest evolutionary change. Scribd is the worlds largest social reading and publishing site. Of the many species of lac insect,laccifer lacca, tachardia lacca is the commercially cultured lac insect. In your observations, include at least four orders of insects.

Insect identification part i classes of arthropoda, orders of insecta 5 key to the orders of insectsnormally found in insect collections once you have determined that the organism you have before you is an insect you may wish to further identify it. Insect orders about 28 different orders of insects divided into these orders based on structure of wings and mouthparts and their type of metamorphosis ametabolous. Apr 19, 2002 for the first time in 87 years, scientists have discovered an entirely new order of insects. In this guide, the key is used to identify insect orders. Divided into these orders based on structure of wings and mouthparts and their type of metamorphosis. Learn vocabulary, terms, and more with flashcards, games, and other study tools. In an order, there are classes, orders, suborders, families and genera, which constitute the living things that procreate with one another. Self test identify the insects to order not tested in apprenticeship or in hort 1217.

This name derives from the latin word for cockroach, blatta. These species include 235 butterflies and moths, 344 beetles, 3 ants, bees and wasps, 239 grasshoppers, crickets and cockroaches, 39 termites, and 20 dragonflies, as well as cicadas. Insect orders free download as powerpoint presentation. Insect orders introduction the class hexapoda is generally studied under a classi cation system with approximately 30 orders. At rest, damselflies hold their wings together above the body. You are probably familiar with many common insect orders already. Many of these are of minor importance and are studied only from the standpoint of scienti c interest. The plecopterida are a group of 4 insect orders see below that share numerous internal and external morphological characteristics. Scientific names of insects insect, bugs and spider. It is found in tropical or subtropical regions on banyan and other plants. Insect orders group entomologists glossary amateur.

Simply spread the granules with a broadcast spreader, water in the treated area and youre done. Adult termites are polymorphic in body form and function. Estimates of numbers of edible insect species consumed globally range from 1,000 to 2,000. Hymenoptera have around 320,000 species, mostly more than 75% 240,000 are parasitoids. Insect groups orders amateur entomologists society aes. A pictorial key to the order of adult insects winged wingless go to page 64 front wings hardened, leathery or parchmentlike at least at the base front wings membranous go to page 61 chewing mouthparts sucking mouthparts without pincerlike cerci with pincerlike cerci front wings leathery at base and membranous at end front wings of uniform. Below is a listing of several common insects by both their name and by their assigned scientific name. Oct 4, 2012 entomologists have classified insects in 30 different orders, some of them, like beetles or flies, are familiar to everyone, but others are more obscure. Note that some newer resources may now include homoptera and thysanoptera as suborders. Economically important insect orders zinsect feeding guilds zcharacteristics and examples of economically important insects teaching objective. The questions in this quiz and worksheet will address these questions, helping you learn more about insects. Cockroaches or simply roaches are insects of the order blattodea. Kentucky 4h entomology key to common insect orders objectives kentucky 4h entomology projects involve collecting, identifying, and labeling insects.