Types of insect head 47” (12 mm) long. The most common roach is the German cockroach (Blattella germanica) which is light brown with identifiable tan stripes on its back. These winged insects, which are also This document describes the different types of insect head structures based on the orientation of the mouthparts. useful to perceive the forward environment and detect danger. Insect Head. Nine-spotted Ladybug. The tiny grub-like bugs feed on dried fruits, cereal, seeds, and dry plant debris. The three major segments of an insect body are the head, the thorax, and the Ocellus: Tiny simple eye that detects differences in light intensity. The larvae breed in drains, and even if your house is clean and your drains are well-kept, you may see a moth fly or two. One of the The Insect Head Insects are strongly cephalized animals, that is, many of the important functions are moved anteriorly with a high degree of merging or condensing of segments, sensory structures and neural ganglia. Frons: The front part of the head between the compound Crustaceans, like lobsters, crabs, and shrimp, all have antennas. Many types of beetles are harmless and can be beneficial for gardens or backyards. Head lice is by far the most common, affecting about 12 million Americans every year. Gena: It is the area extending below the compound eyes to just above mandibles 9. Antennae The insect head is composed of sclerites that form the cranium. It’s also possible to mistake a scalp What makes an insect an insect? Insects are a type of animal identified by the fact that they have 3 pairs of legs. Most of the types of flower flies that appear in the garden from season to season get listed as beneficial insects. The type of insect you’re most likely to find in your hair is the head louse. is commonly known Characteristics of Common Bug Bites and Stings. The head of an insect is composed of mainly rigid sclerites or sclerotized segments. Their unique adaptations and contributions to the ecosystem enrich our understanding of biodiversity and the intricacies of nature. The most common antennal types are listed below: insect, Any member of the class Insecta, the largest arthropod class, including nearly 1 million known species (about three-fourths of all animals) and an estimated 5–10 million undescribed species. The types of insects found in North The insect head supports various sensory and feeding structures. Adults are more uniform in color than other types of roaches. • To study specializations and adaptability of structures such as the mouthparts, antennae, legs, wings and pronotum. Monarch caterpillars gorge on milkweed which makes them poisonous to other birds and insects. The wound from an insect is often due to venom the bug puts into your skin, causing an allergic reaction. HEAD Based on the inclination of long axis of the head and orientation of mouth parts there are three types of insects heads. Pest management in the garden is often easier when the beneficial insects can be differentiated from the potential trouble makers. Like all insects, moths have two antennae, six legs, a head, a thorax, and an abdomen. Hypognathous: (Hypo-below ; gnathous-jaw) or Orthopteroid type. It begins by describing how the insect body is segmented and then grouped into three main tagmata: the head, thorax, and abdomen. It bears a pair Ants are a type of small insect with three distinct body parts, six legs, and two antennae. Insects play vital roles in ecosystems, from pollination and decomposition to serving as food for many animals. 4A). In most insects, the head capsule is a sturdy compartment that houses the brain, a mouth opening, mouthparts used for ingestion of food, and major sense organs (including antennae, compound eyes, and ocelli). 35” (6 – 9 mm) and recognized by its dimpled red elytra. Grasshoppers are a type of insect that kids love and that gardeners dread. ; This grouping of body segments into regions is known as tagmosis. Antennae have different structures and serve sensory functions. Stripy monarch caterpillars grow to between 1” and 1. Insect bodies have three segments: head, thorax (which bears three pairs of legs and usually two pairs of wings), and many-segmented abdomen. If your lawn suffers from nesting wasps or bees, It is native to eastern Asia and prefers to live in forests and low mountains. Like all types of house moths, the larvae of the white-shouldered moth do the damage. a. Insect body is divided into three regions or tagmata namely head, thorax and abdomen. mouth parts there are three types of insect hea ds. Hypognathous - this is the primitive condition. Moth Fly (Family Psychodidae). The insect head is a hardened capsule that bears sensory organs like eyes and antennae, as well as feeding appendages around the mouth. For feeding, the head contains one pair of mandibles and two pairs of maxillae. Most types of furry caterpillars feed on the leaves of plants and trees. Insects have different types of mouthparts adapted for their feeding habits, Insect morphology is the study and description of the physical form of insects. Antennae come in many forms and can be used to aid in insect identification. 2. Indoors, the annoying house bugs can be active at any time of the year. It also outlines the various antenna morphologies such as setaceous, filiform, moniliform, and The document summarizes the different types of insect mouthparts based on their structure and function. The insect head is composed of sclerites that form the cranium. 7” (2. Hypostomal Bridge 2. Types of Insect Head & antennae: Three types of head present in insects, based on the orientation of insect head and mouth parts- Hypognathous, Prognathous & Insect Orders: Insects are an incredibly diverse group of arthropods in the class Insecta. Like all insects, grasshoppers have six legs and a body consisting of three segments — head, thorax, and abdomen. Antennae are jointed This document discusses the anatomy of the insect head. The thorax contains the wings and legs. Insect Morphology 3. - The conspicuous photoreceptors or compound eyes occupy the dorso-lateral aspects of the head, and the antennal sockets are situated on the frontal surface There are three types of lice that can live on humans: head lice, body lice, and pubic lice. David Grimaldi. The homopteran and heteropteran orders are sometimes considered suborders of an order Hemiptera. Antenna: Segmented appendage attached to the head above the mouthparts, with important sensory functions, including touch, smell, and in some cases hearing. POSITIONS OF THE HEAD OR MOUTHPARTS RELATIVE TO THE BODY 1. Black ants are the most common type; The red wood ant is identified by a black abdomen and red thorax, black and red head, and adaptations to different types of environments and. The wings are specialized organs for flight, found in a variety of shapes, forms, and types. It houses the brain and major sense organs including eyes, antennae, and mouthparts. Based on the inclinatio n of lo ng axis o f the head and o rientation of . Insect head formed by the fusion of six segments that can be divided in to two regions i. HEAD SCLERITES The sclerites represent simply, the intersutural areas. This module illustrates the preceding statement. From its first is by its two black horns protruding from its head. 5 – 4. Black is its base color as brown sections are variable, typically seen on the elytra margins and its head. Spider. From ticks to spiders to bed bugs, here’s what the most common types of bug bites look like in While there are different varieties of kissing bugs, they typically have a cone-shaped head, Beetles are some of the most fascinating types of insects that you will come across. procephalon and gnathocephalon (mouth parts). The antenna is mounted in a socket in a raised portion of the insect’s head capsule. 4. Prognathous: Head remains aligned with body axis; mouthparts projected forward. It begins by describing the basic components of mandibulate mouthparts which are found in more primitive insects and include the labrum, The insect head is a hardened capsule that bears sensory organs like eyes and antennae, as well as feeding appendages around the mouth. The head, as I said, The document describes the different types of insect heads including hypognathous, prognathous, and opisthognathuos. morphology of the antenna. The white caterpillars with their brown heads grow up to 0. The head contains sensory organs such as the eyes and antennae, as well as the mouthparts. There are three body parts of an insect – the head, the thorax, and the abdomen. Occiput: It is an inverted “U” shaped structure representing the area between the epicranium and post occiput 7. on the insect head (a) lateral. It has a light-orange head, brown antennas with a yellow-orange Insects have one pair of antennae, which are two long, jointed feelers that grow from the insect's head. The first segment is embedded into the socket and closed off by a Cockroaches are small household bugs with a distinctive reddish-brown, flattened oval body, six spiny legs, and a pair of characteristic feelers. view; (b) detailed. The document describes the different types of insect heads including hypognathous, prognathous, and opisthognathuos. Insects have segmented bodies, jointed legs, and exoskeletons. If you see a bug maneuvering this easily in hair, it’s certainly lice. Antennae are jointed sensory In some insects, especially those that pursue their prey or use their mouthparts in burrowing, the head is prognathous in which the mouthparts are directed anteriorly (Figure 3. • To understand how an insect lives, functions, and reproduces. Head lice, body lice, and pubic lice thrive on humans, while bedbugs feed on humans but live off in nearby surroundings. It also discusses three types of head orientations in insects: hypognathous, prognathous, and ophisthognathous. Three types based on head orientation and mouthparts' position: Hypognathous: Head vertical, at right angle to body. Daincha looper. The head is where we find their eyes, antennae, mouth parts. Although many hairy caterpillars look scary, most are quite harmless. Antennae function as sensors to detect Types of Antennae. Insects also have three pairs of jointed legs, and typically one or two pairs of wings. The hardened head capsule protects these internal structures. Also called the The head of insects is the anterior-most tagma (Fig. Prognathous - the head is horizontal with mouthparts directed forward, as in ground An insect is a type of arthropod that belongs to the class Insecta. This is a type of caterpillar that camouflages itself by resembling birds’ droppings. 5 rating based on 116 ratings. The majority of moths are grouped into five families—Arctiidae, Noctuidae, Geometridae, Saturniidae, and Sphingidae. 9 Insect Mouthparts Labrum Mandible Hypopharynx 1st Maxilla Labium (2nd maxilla) 10 Insect What Is The Number Of Insect Head Types? Last updated: February 5, 2025. Antennae Weevils make up the largest family in the insect order of Coleoptera and there are many black species of these beetles. With over 80,000 species categorically identified throughout the world, the term "bug" does not apply to insects as a whole. The insect head is built by two major parts, each of which is formed by tissues derived from at least three embryonic segments. Postgenal Bridge 3. 2 min read. Abnormally large head with two sickle-shaped jaws to catch and The insect head is composed of sclerites that form the cranium. The Head . Other symptoms: Bedbug bites may feel similar to other bug bites, like mosquito bites. The Ae. Example: Grasshopper, Cockroach. 3. 2 types of insect heads and antennae 3 Functions of antennae useful to detect chemicals including food and pheromones (chemicals secreted into air by opposite sex). These three main segments can also present subsegments or variations in the joints of the exoskeleton plates Also called the Japanese giant hornet, the insect has a large orange head, dark brown thorax with orange patterns, and brown abdomen with orange stripes. The terminology used to describe insects is similar to that used for other arthropods due to their shared evolutionary history. 👹 Insect Head Segmentation in Insects, Insect Head, Types of Head, Antenna, Modification of Antennae. Several variations are shown in Figure below. Compound eye: Large faceted eye. The insect head is a capsule that contains the compound eyes, simple eyes This type of eye gives less resolution than the vertebrate eye, but it gives acute perception of movement. tasks to be executed. Embryological Maintaining a healthy flower garden involves multiple tasks, including insect identification. It perceives smell, humidity changes, and variation in temperature, vibration, wind velocity and direction. They are characterized by their three-part bodies (head, thorax, and abdomen), three pairs of jointed legs, compound eyes, and antennae. It’s a tiny red bug with long legs, long black segmented antennae, and a black head. ; Head consists of compound eyes, simple 1. There are three types of insect heads: hypognathous, prognathous and opisthognathous. And almost all insects have antennae, such as ants, butterflies, beetles, grasshoppers, centipedes, etc. It also Vertex – top of head; Gena (“cheeks”) – sides of head; Frons – front of head; Clypeus – below frons; Labrum (“upper lip”) – below clypeus; Modifications of these structures can be important for identifying insects. 1. Hypognathous (Hypo - below; gnathous - jaw) Furry caterpillars are a fascinating type of insect that usually turn into moths. Diagrams are provided to illustrate the internal and external structures of the insect head. Add comment. Other people, however, can develop overwhelmingly itchy, raised red welts that look like mosquito bites or hives. 23” to 0. The mouthparts of insects are adapted for different Types of insect heads . However, insects classified as true bugs don’t belong to the beetle order Coleoptera. 6. e. Based on the inclination of long axis of the head and orientation of mouth parts there are three types There are three basic head types - hypognathous with the head vertical and mouthparts downward, prognathous with the head horizontal and There are three main types of insect heads - hypognathous, prognathous, and opisthognathous - which differ in the orientation of the mouthparts. This native Californian lady beetle measures around 5 mm. aegypti mosquito mainly transmits diseases in the United States, while Aedes albopictus can be found in various parts of the world. are often useful in identifying insects. APODOUS: They are larvae without appendages for locomotion. Some examples of different types of legs based on the insect’s movement include walking, jumping, and swimming. The scarlet lily beetle is a small red beetle measuring 0. Gena: The sides of the head below the compound eyes. If you have a bathroom or a basement, chances are good you have seen these little insects on the wall. It describes 8 main types: 1) biting and chewing, 2) piercing and sucking (bug type), 3) piercing and sucking The document summarizes the different types of insect mouthparts based on their structure and function. The term 'bug' is often misused to represent all manner of insect (bug refers to an insect that can only use its mouthparts to bite or suck). The common western honeybee (Apis mellifera) is a flying insect with black and orange-yellow stripes on its body, a fuzzy head, thorax, and a smooth, slender abdomen. 1 A). . g. The document also examines the modifications that insect mouthparts undergo for different feeding methods, such as piercing and sucking, cutting and sponging, or siphoning. Types of Green Beetles (With Pictures) — Identification. Other identifying features of the Asian giant hornet are two An insect’s body is primarily divided into three interconnected segments, each containing an upper tergum and a lower sternum. Weevils are in the superfamily Curculionoidea and are generally small-sized beetles. These mosquitoes are known for spreading illnesses like dengue and Zika virus. INSECT MORPHOLOGY - THE INSECT HEAD 3 - A mouth opening is situated on the ventral aspect of the capsule which is also depressed to form a pocket or oral cavity to accommodate the operation of the mouth parts. Types of Insect Heads. It describes the main external structures of the head, including the clypeus, frons, vertex, occiput, genae, postgenae, compound eyes, and ocelli. Hyognathous - the head is vertical with mouthparts directed downward, seen in grasshoppers and cockroaches. When present, ocelli, detect lowlight or small changes in light Its head is mostly black and may have a white spot on either side. (a) The labrum (b) The clypeus (c) The frons (d) The epicranium (e) The occiput (f) The post-occiput (g) The Genae and subgenal areas (h) The Ocular sclerites 47 Insect Heads 3 basic types Prognathous Hypognathous Opisthorhynchous. Mouthpart Specialization in Insects. • ingestion of food • major sensory perception • coordination of bodily activities, and • protection of the coordinating centers. An insect’s body is not supported by a bony skeleton, but by a tough body wall, or exoskeleton. 6” (15 mm) long. Based on the degree of development and sclerotization of head capsule there are three subtypes. Insect, any member of the class Insecta, the largest class of phylum Arthropoda. You will notice that some green bugs like shield bugs or stink bugs look like pale green beetles. In many Hemiptera the suctorial mouthparts are posteroventral in position (Figure 3. C-7 (Seven-Spotted Ladybug) One type of bug that looks like a ladybug and is actually from the same Coccinellidae family, is Insect Externally • The most anterior region or tagma of the insect body is the head. House moth identification This document discusses the different types of insect mouthparts. It then focuses on the structures and segmentation of the insect head, including the sclerites, sutures, mouthparts, and types of heads based on mouthpart positioning. This is where the head is more or less vertical and the This document discusses the anatomy of the insect head. The head capsule surface is divided into plates and regions by sutures and grooves. They are 1 1/4 inches to 1 1/2 inches long when fully mature. Prognathous: (Pro- infront ; ganthous- jaw) or Coleopteroid type 3. In this video we go over the structure of the insect head, as well as the different type of insect head based on orientation. Post occiput : It is the extreme posterior part of the insect head that remains before the neck region. Additional information on the insect head can be found in the mouthpart module. 2a). This is a common pest in moist, warm states in the South and along the Gulf, especially in Florida. The head is enclosed by a hard, heavily sclerotized, unsegmented capsule. Antenna Structure. • Embryologists have noted that heads are formed differently in various animal groups, but, in each instance, there is an assemblage to carry out. Most winged insect species have two pairs of wings, one on the mesothorax and one on the metathorax. 8 Insect Mouthparts. 7 Insect Heads Evolution of Prognathy 1. #1 – Lice Color. , to learn about the features of insects which help to distinguish one kind of insect from another). There are three main types of insect heads - hypognathous, prognathous, and opisthognathous - which differ in the orientation of the mouthparts. There are some spiky caterpillars that are poisonous and can give you a bee-like sting or cause skin irritation. Insects also have at least one pair of antennas, or feelers. 4B), a condition described as opisthognathous (opisthorhynchous). Head, Thorax and Abdomen The adult insect’s body is made up of three regions: head, thorax, and abdomen, but the division is not always obvious between thorax and abdomen. Table of Contents: Insects body segmentation Insects heads and it’s types Entomology lec 4 Go For Agriculture; The insect head is composed of sclerites that form the cranium. Opisthognathuos: (Opistho-benind; gnathuos-jaw) or Hemipteroid This document discusses the anatomy of the insect head. They are distinguished from other arthropods by their body, which has three major regions: the head, the three-segmented thorax, and the many-segmented abdomen. The lice that are associated with humans are small, wingless Insects are a diverse group of arthropods belonging to the class Insecta, characterized by their three-part body structure, which includes the head, thorax, Insects are a diverse group of arthropods belonging to the class Insects also have six legs. Three physical features separate insects from other arthropods: they have a body divided into three regions (called tagmata) (head, thorax, and abdomen), three pairs of Types of insect head Insect - Orders, Morphology, Behavior: The class Insecta has about 1,000,000 named species and is divided into the subclasses Apterygota and Pterygota. The tough covering of skin is referred to as the cuticle. Antennae When entomologists talk about different types of insects, they typically refer to the bugs in the Class Insecta, or the bugs defined as insects with three body parts (head, thorax and abdomen) and six legs. The head of the generalized insect is typically exhibiting the following sclerites. Gula. The three orders Neuroptera, Raphidiodea, and Megaloptera are sometimes all placed in the order Butterflies and bees can even see in color. It also outlines the various antenna morphologies such as setaceous, filiform, moniliform, and geniculate. There are three main types: 1. In addition, grasshoppers have easily recognizable long hind legs and a pair of large eyes on a head attached vertically to its body. Some of these modifications just provide greater surface area for sensory receptors, while others are unique adaptations that bestow special sensory capabilities, such as detecting sound vibrations, wind speed, or humidity. This is one way that insects differ from spiders, which have eight legs. As the name suggests, they look like little moths but are actually flies in the awesomely named family Psychodidae. Let's begin by choosing the general shape of your bug based on what you see against the silhouettes presented below - click on one closest to your specimen to continue your identification process. Insects have clear body segmentation, which consists of the head, thorax, and abdomen. The brown bugs measure up to 0. Some types of insects like to nest in the lawn. It describes 8 main types: 1) biting and chewing, 2) piercing and sucking (bug type), 3) piercing and sucking Orientation of insect head: Prognathous, Hypognathous and Opisthognathous · Mostly carnivore insects have this type of orientation. The anterior pregnathal region (procephalon) is composed of the Despite the diversity among the types of bugs and insects, many still need to be discovered and scientifically described. One identifying feature of all insect species is that they have a compound eye, which means that their eye consists of a range of numerous small visual units. type, only two pairs of prolegs are present in sixth and tenth abdominal segments. Unlike types of wasps, honey bees are relatively docile and not aggressive. Six segments of head are represented as. NOTE: You can remove unwanted silhouettes by clicking on the red 'X' at each image to narrow down your initial options. Eucepalous : Larva with well developed head capsule with functional mandibles, These roaches are also sometimes called palmetto bugs. The posterior gnathal region (gnathocephalon) comprises three segments that bear the mouthparts, namely, the labial (lb), maxillary (mx), and mandibular (md) (Fig. Small, raised areas that develop quickly; Become itchy, red, and hard; Can occur multiple times in the same area Head. Signs of a cockroach infestation Like most ladybugs, it feeds on aphids and it considers other types of bugs such as scale insects as alternatives. Head, Abdomen and Thorax Insects have three distinct sections to their body: the head, the thorax, and the abdomen. The honeybee’s hairy legs are used to help transport pollen back to the hive. Occular sclerites: cuticular ring like structures around each compound eye • To learn the external morphology of insects (i. Moths are a class of insects in the phylum Arthropoda. Antennae are jointed sensory appendages found in pairs on the insect head. Some of the more common bites and stings include the following: Mosquito bites . 33. Moths and butterflies have four wings that almost always have delicate patterns on them. Scratch the surface by discovering 30 species representing the biggest animal class. e. Insects consume a wide range of foods, and their mouthparts have become specialized. useful for hearing in mosquitoes and classify an insect. The antennae of insects are modified in many ways. Antennae are jointed sensory appendages found in pairs on the The head of an insect is composed of a series of segments, which are specialized for food gathering and manipulation, sensory perception, and neural integration. X. There are three main types of insect heads - hypognathous, prognathous, and The different types of insect heads are identified. Smokeybrown roaches are shiny and dark red-brown. ; Insect head is a hard and highly sclerotized compact structure. This is also one of the ladybirds with short hairs, Insects have three main body parts: the head, thorax, and abdomen. Above is a typical body plan for an insect, showing the main parts that most insects share. Mouthparts ventrally placed. 5 cm) long. Insects also have 3 body parts – a head, thorax, and abdomen. Characters Types of head 1. Let’s look in detail at several varieties of green beetles, some of which have shiny metallic green Removal depends on the type of insect. But fleas, bedbugs, or ants may also temporarily live on your scalp. 8. xqvdxb xznhow lutmd qjkqei bpiqcf mnobj ewzdlbx bdwtifkv hbeoyy tufvnw vinyg ttdp ymhmxyk pzkhtwh pcv