Types of wings in insects pdf

The large wings of an adult malaysian moon moth actias maenas. Insects are of different types and we may confuse with worms. Wings may have evolved from appendages on the sides of existing limbs, which already had nerves, joints, and muscles used for other purposes. Classification of insects royal entomological society. The front and hind wings of moths are strongly linked together and the hind wing has a strong structure called the frenulum red arrow that is part of the linking apparatus. If you see a small fly it is incorrect to call it a baby fly, because that is as big as it will ever get. The result of metamorphosis may be change to the organisms entire body plan, such as a change in the animals number of legs, its means of eating, or its means of breathing. The wings are powered by two sets of muscles that independently drive the upstroke and downstroke of. The wings are composed of two membranes of the cuticle pressed together and supported by. Whichever the case, it is very important to classify insects. In general most insects have wings like butter fly, house fly etc. Insects first flew in the carboniferous, some 350 million years ago. Oct 24, 2014 stick insect s wings stick insect forewings are tough opaque tegmina, short and covering only the base part of the hind wings at rest. The determination of the homology of the wingveins of the.

It also contains detailed information on all the 558 families of british insects. Insects have one of two different arrangements of muscles used to flap their wings. Spray plants with the garlic and chili pepper spray page 46. Learn vocabulary, terms, and more with flashcards, games, and other study tools. A typical insect has 6 legs appendages and wings to fly. How to pin and spread butterflies and other insects for. Wing venation forms a physical network, with the intersection of veins as. The wellknown insects, damselflies and dragonflies, have kept this design.

Many insects have flight wings which are hidden beneath another set of modified wings called elytra see examples on page 10. Sometimes a magnifying glass or a microscope is needed. There are many insects which do not appear to have wings or actually lack wings. However different forms of wings in insects are characterised to perform different functions. Go to the tab that best exemplifies the damage observed on. Introduction to the identification of insects and related. Many of these are of minor importance and are studied only from the standpoint of scienti c interest. There are two different types of lifecycles that insects can go. Insect wings are adult outgrowths of the insect exoskeleton that enable insects to fly.

The three parts of an insect s body are the head, thorax and abdomen. Some organisms we think of as insects are actually not, such as scorpions, spiders, centipedes and millipedes. Along with short descriptions of these insects, the important types are enlisted below. These halters are believed to be involved in inflight balance and allow flies to do incredible aerodynamic moves such as hovering and midair mating dances robber flies. We can classify them based o their morphology, habitats and other characters. Most insects have four wings which either beat quite independently as in dragonflies or with varying degrees of unity. Not all insects cause damage and many benefit your garden. Schons agriculture university college of agriculture university. Three kind of animals that have wings, or appendages that are most often used for flight. The article provides a pictorial presentation of the different types of insects. The type of damage caused can provide evidence of the culprit.

How to pin and spread butterflies and other insects for display. The wing veins may look different in different insect groups, scientists tracked that all different insect wings are evolved from the same ancestor, i. View and download powerpoint presentations on legs and wings of insects ppt. Dragonflies and damselflies have fore and hind wings similar in shape and size. Usually two pairs of wings absent in many insects such as lice, eas, ants. Moths and butterflies belonging to the order lepidoptera account for more than 100,000 species. Scientists arent sure why animals developed wings, but speculate that it might have been to better escape predators or to exploit new food resources like. Analogous structures with similar functions but different evolutionary origins, such as the wings in birds versus insects.

Insect wing venation is a topic which has been the focus of numerous debates. Insect orders introduction the class hexapoda is generally studied under a classi cation system with approximately 30 orders. The main types of stinging insects include ants and honeybees. Ectoparasites like head louse, poultry louse and flea are secondarily wingless.

Among invertebrate animals, only insects posses wings. Examples of insects include ants, butterflies, and beetles. Featherwinged beetlesthe smallest known variety of beetles. Set the largest and hardest insects on top of this layer i. At first glance there is little to indicate to you that these insects have wings. Continue until all of the insects you need to relax are nested between layers of towels, ending with 23. See more ideas about insect wings, wings and insects. Mr mubasshir sohail teaching asistant 3rdb semester b. Heteroptera tegmina front wings that are completely leathery or parchmentlike in texture orthoptera, blattodea, and mantodeae. Thats why pestworld developed robust pest and insect identification guides to serve as a handy bug identifier. They mostly consume dead material or plant material. The wings are composed of two membranes of the cuticle pressed together and supported by a series of veins. Most insects possess wings during at least part of their life cycles. However, after stinging, a barbed stinger and venom sac is left behind.

Typical insect wing venation modified comstockneedham system. The large anal area are membranous and folded in fanlike manner. Group members adnan nawaz 72 arshad ali 79 mohsin altaf 74 hafiz irfan elahi 75 muhammad kamran 76 farrukh sajjad 77 asad hayat 78 ali husnain 80 data collection and arrangement. Entomologists classify insects into three groups based on the type of metamorphosis they. Our comprehensive list of bugs and insects can help d etermine what insects, rodents or birds are pestering you, plus how to. Unlike other insects, the wing muscles of the ephemeroptera mayflies and odonata dragonflies and damselflies insert directly at the wing bases, which are hinged so that a small movement of the wing base downward, lifts the wing itself upward, very much like rowing through the air. What four characteristics set insects apart from the other arthropods. In some types of insects, such as flies and beetles, the second pair of wings changed shape as the insect evolved and is no longer used for flying. A third preexisting structure that is drawn into the formation of the wing is the trach.

Insects class insecta have segmented bodies, jointed legs, and external skeletons. A list of different types of flying insects with pictures. Cover these insects with several more wet paper towels again, wet all over but not dripping water and place another layer of insects on top. The recognition of certain features of the venation of the wings of insects which occur in the more generalized forms of a large proportion of the orders of this class has enabled us to present a hypothetical type to which the wings of all orders may be referred. Jul 26, 2019 in winged insects, nymphs develop external wings as they molt and grow. Direct flight muscles the wings pivot up and down around a single pivot point.

There are no or very few branching in stick insect wing veins. Find powerpoint presentations and slides using the power of, find free presentations research about legs and wings of insects ppt. Wing venation forms a physical network, with the intersection of veins as nodes. In the early 20 th century, the wing venation of odonatoptera dragonand damselflies and their stemrelative some of which called griffenflies. Files are available under licenses specified on their description page. Since then, insect wing designs vary where either the forewing or hindwing are specialized for force production, while many other insects are functionally 2 winged through. Wings in living insects serve a number of functions, including active flying, gliding, parachuting, altitude stability while jumping, thermoregulation, and sound. Their wings develop as evaginations of the exoskeleton during morphogenesis but they become fully functional only during the adult stage of an insects life cycle. Entomology types of wings insects flashcards quizlet. Moist, decaying organic materials such as compost, leaf litter, and rotting logs. They are found on the second and third thoracic segments the mesothorax and metathorax, and the two pairs are often referred to as the forewings and hindwings, respectively, though a few insects lack hindwings, even rudiments.

Insects are distinguished from other arthropods by their body, which is divided into three major regions. Some insect wings are iridescent under different angles of light with varying cuticle layer constructions. Some people identify the types of insects based on its habit flying, crawling, running etc. Aphids like to eat these plants even more than your vegetables, so you can attract aphids away from your other plants. Most insects have two pairs of wings, which lift them into the air so they can fly. Most insects also have wings and antennae, as well. Wings ent 425 general entomology resource library tutorials. Most insects have 2 pair of wings, but some have one pair like flies. Some hemimetabolous insects include grasshoppers, mantids, cockroaches, termites, dragonflies, and all true bugs. The wings may be membranous, parchmentlike, heavily sclerotized, fringed with long hairs, or covered with scales. Types of flying insects university of alaska fairbanks. One way to tell the difference between adult insects and immatures is to see if they have wings. Our comprehensive list of bugs and insects can help d etermine what insects, rodents or birds are pestering you, plus how to prevent an infestation.

The earliest insects had four wings, independently functioning forewings and hindwings. These insects rely other animals tissue to feed on. There are two different types of lifecycles that insects can go through. Hardbodied insects with a pair of hard wings that cover softer flight wings.

The assassin bugs use their stylets to suck blood from other insects. The smithsonian jakob sturms insectensammlung 1796 subsection 5 certain types of fleas may be trained to perform various feats such as jumping through hoops, juggling, and pulling objects several hundred times their weight. Hind wings from costa to cubitus are tough and opaque like the forewings. Certain primitive insects like silverfish and spring tail have no wings apterous. Typical insect wing venation modified comstockneedham system in the. The hind wings are usually clear and tucked underneath the front wings. Pdf the size, shape and structure of insect wings are intimately. Apart from the vertebrates, insects are the only other group of animals to have successfully evolved flight. Stick insect s wings stick insect forewings are tough opaque tegmina, short and covering only the base part of the hind wings at rest. Metamorphosis definition, types and examples biology. You will find many of these insects in the beneficial insects section of this book.

Common soil beetles include the rove, ground, and featherwinged beetles. Insects may undergo gradual metamorphosis, in which the transformation is subtle, or they can undergo a complete metamorphosis, in which each stage of the life cycle has a distinctly different appearance from the one before and the one after the current stageor they can experience something in between. Midges small, biting insects can flap their wings more than 1,000 times every second. In many oldgrowth forests and the rain forests one tree is an entire ecosystem like a separate world.

Insects are the only group of invertebrates that have evolved wings and flight. Structure of insect wings according to current dogma, the archedictyon contained 68. Insect wings have rigid veins which support the wing in flight. Unlike other insects, butterflies and moths have tiny scales all over their wings, which often form colourful patterns. Insect wings are large folds in the exoskeleton composed of two sheets of cuticle permeated with stiff supportive veins. These are amongst the important types of stinging bees. More discussion about this classification, with a list of more detailed references, can be found in peter c. Insects photographic atlas of entomology and guide to insect identification how to know the immature insects insects and diseases of woody plants of the central rockies pests of the west book title list handout. These tiny creatures display the most diversity among all in the animal kingdom, with almost a million species that have been discovered so far. The identification of insects and other pests can be tricky. The front wings of true bugs are thickened and colored near where they are attached to the insect s body, and are clearer and thinner towards the hind end of the wing.

This page was last edited on 31 january 2020, at 20. The origin of wings and venational types in insects. Metamorphosis is a process by which animals undergo extreme, rapid physical changes some time after birth. Functional, fullyformed wings mark their emergence into the adult stage of the life cycle. Elytra are wings which act as protection and covering for the flight wings of beetles. All structured data from the file and property namespaces is available under the creative commons cc0 license. Barnards book the royal entomological society book of british insects, published by wileyblackwell in 2011, and obtainable from the res. The thorax is the middle region and the abdomen is the lower region.