The abdomen contains the digestive structures and houses the reproductive organs. Families of Diptera can also be categorized into groups based on their behavior and/or lifestyle. Although it is not the largest order of insects, Diptera is definitely the most infamous thanks in part to the mosquito and fly species that it contains. Species such as mosquitoes Diptera is an order that contains some of the most annoying of insects. and/or piercing mouthparts. more manoeuvrable compared to many other flying insects. Many species of Diptera are important due to the These flies Greek Origins of Name: Diptera, derived from the Greek words "di" meaning two and "ptera" meaning wings , refers to the fact that true flies have only a single pair of wings. 1. Nematocera (flies with multisegmented antennae) Members of Diptera get their nutrients from liquid sources so they have mouthparts that are designed for sucking liquids. Their remaining two wings have been reduced to club-like appendages, which are known as halteres, are useless for flight but instead are used to maintain balance while the insect is flying. Many have mouthparts designed to pierce and suck. Earn Transferable Credit & Get your Degree. Others have mouthparts designed like straws for sucking nectar from flowers. Found inside – Page 10Figure 61 shows the five segments of the palpus and the method of measuring them for key characters . Figures 63 through 66 show the four distinct types of female spermathecae which were found in the species studied , the most common ... The female abdomen is larger to account for the extra space needed for producing and laying hundreds of eggs at a time. One of the largest insect orders, it numbers more than 125,000 species that are relatively small, with soft bodies. The male abdomen is more colorful to help with mating. There's no getting away from them and they reproduce so fast that there are more of them than there are of us. As you are reading about Diptera, you notice some information about their anatomy and wonder if that may give a clue of how to ward them away from your outdoor activities. as carrion, fungi, dung and rotting vegetable matter although some Although many winged insects are commonly called flies, the name is strictly applicable only to members of Diptera. Does the reproduction of mosquitoes have anything to do with their attraction to sweat? and freshwater habitats across Australia with forests and the margins a. Piercing-sucking b. Sponging c. Chewing d. Cutting-sponging e. Flies have all types of mouthparts. Adult Diptera have segmented bodies that include a head, thorax, and abdomen. Found inside – Page 42Phylogeny of Anophelinae (Diptera: Culicidae) based on morphological characters. Ann. Entomol. Soc. Am. 93:745–775. Sanderson, M. J.,A. Purvis, and C. Henze. 1998. Phylogenetic supertrees: Assembling the trees of life.Trends Ecol. Evol. The order Diptera is split into two suborders which are Nematocera and Brachycera. You can use sprays to repel some of them, but you cannot avoid all of them. Found inside – Page 2The causative organism, G. tanmrensis, synthesizes a potent endotoxin; its toxigenic and growth characteristics and environmental factors influencing its seasonal abundance are discussed. The toxins extracted from shellfish ... This helps them to see a wider area as they are flying. Found inside – Page 41This is because adults from independent clades are unlikely to converge with reappearance of larval characters. If adult characters are similar in taxa with a shared larval ecology, then diversification from a common ancestor is ... When the adult emergesfrom the pupa, it has wings, is fully grown and fully developed, and looks completely different from thelarva. Characteristics of Diptera include: One set of wings and one set of halteres , which are smaller, modified wings used for balance Consume liquids only through sucking mouthparts Halteres are tiny knobbed structures. The Unlike other insects like bees and wasps which have four wings, flies, mosquitoes, gnats and midges only have two wings that they are able to use for flight. Pupae–All Diptera have a pupal stage, during which the adult, winged form develops. Found inside – Page 1001After this secretion, the gut purges a thin, sticky black fluid that hardens to form a characteristic shiny black droplet attached to the posterior end of the puparium (Gaimari & Turner, 1998). Found inside – Page 94Turbidity, pH, total organic carbon (TOC), magnesium, calcium and sodium are among the characteristics that are positively significant for larval density, species composition and breeding water characteristics, respectively. The Greek words di and ptera traslate to “two wings” which describes the number of wings found on species belonging to the order Diptera. | {{course.flashcardSetCount}} There are slight variations in mouthparts between different groups among the Diptera. Found inside – Page 20Surface Characteristics Surface characteristics of land affected by mining are illustrated on plate 1 , and described in table 3 . A greater percentage of strip - mined land is located in the western part of the basin , upstream from ... These beneficial flies too often take the backseat while their aggressive, disease spreading relatives are in the spotlight. Which insect order has halteres? Found inside – Page 167From the examination of the characteristics of this genus, and of the other genera of Marsupialia, it can be noted that Macropus presents the following characteristics: (i) Its species are terrestrial and strictly herbivorous; ... a. Insecta b. Hemiptera c. Hymenoptera d. Arachnida e. Diptera. the larvae of bee flies are believed to parasitise the larvae of The small club-like They also have antennae on their head which they use for sensing the environment. They can look like a small, smooth worm or they may appear to be segmented. They have prominent compound eyes on a mobile head, and (at most) one pair of functional, membraneous wings, which are attached to a complex mesothorax. In most species digestion is partially They live in every other area of the world despite the differences in climate. Common characteristics that all members of Diptera share besides having two wings is that they all go through complete metamorphosis (egg, larva, pupa, adult). {{courseNav.course.mDynamicIntFields.lessonCount}}, Fruit Fly Life Cycle: Eggs, Larva & Metamorphosis, Fruit Flies: Reproduction, Gestation & Breeding Cycle, Mediterranean Fruit Fly: Description, Habitat & Facts, Arbovirus: Definition, Classification & Diseases, Orders Eulipotyphia, Chiroptera & Didelphimorphia, Order Primates: Lorises, Galagos, & Tarsiers, Principles of Health for Teachers: Professional Development, High School Physical Science: Homeschool Curriculum, Chiral Molecules & Ions: Definition, Identification & Examples, Enantiomeric Excess: Definition, Calculation & Examples, Tacticity of Polymers: Definition, Types & Examples, Quiz & Worksheet - Heating & Cooling Curves, Atomic Structure - AP Chemistry: Homeschool Curriculum, The Periodic Table of Elements - AP Chemistry: Homeschool Curriculum, Nuclear Chemistry - AP Chemistry: Homeschool Curriculum, Bonding - AP Chemistry: Homeschool Curriculum, Phase Changes for Liquids and Solids - AP Chemistry: Homeschool Curriculum, Biology 202L: Anatomy & Physiology II with Lab, Biology 201L: Anatomy & Physiology I with Lab, California Sexual Harassment Refresher Course: Supervisors, California Sexual Harassment Refresher Course: Employees. A further adaptation for flight is the reduction in number of the neural ganglia, and concentration of nerve tissue in the thorax, a feature that is most extreme in the highly derived Muscomorpha infraorder. This is the segment with the most differences between the male and female Diptera. external and salivary secretions are introduced to liquefy the food other insects and may prey on the eggs in egg-masses of grasshoppers Diptera can be distinguished by the following features: Comptosia The wings sometimes have discernible patterns of scales. All Diptera larva live in aquatic or moist environments where they feed on plant and animal material. About & Disclaimer | Terms | Privacy | Contact, True Flies an Overview of the Insect Order Diptera, The Characteristics of the Insect Order Mecoptera, The Characteristics of the Insect Order Neuropter, The Characteristics of the Insect Order Lepidoptera. role they play in disease transmission, which includes such things Found inside – Page 218With regard to the specific characteristics of Diptera, the following factors should be considered, especially the differences between Diptera and other invertebrates that can play a significant role in the spread of different ... The head has large eyes that cover the sides of the head with a small space between them in the front of the head. is able to control its flight. Diptera: on nectar from a wide variety of flowers and may be important plant D). This is one of the largest insect orders in the world and includes many familiar insects such as... Life Cycle. Found inside – Page 251Seasonal dynamics of Chironomidae (Diptera) on the Bulrush Schoenoplectus lacustris in a chalk stream. – Freshw. Biol. 12: 225-240. Driver, E.A., 1977. Chironomid communities in small prairie ponds: some characteristics and controls. Distinguishing features of biting Diptera Mosquitos Mosquitos differ from the other biting Diptera in having a long slender body, long legs and long needle-shaped mouthparts (Fig. The insect order Diptera consists of the insects commonly known as true flies, mosquitoes, midges and gnats. Life History & Ecology The order Diptera includes all true flies. With an average size of 8-10 mm (0.3-0.4 inch), they are slightly larger than houseflies but resemble them in habits. Among the Blow fly, (family Calliphoridae), any member in a family of insects in the fly order, Diptera, that are metallic blue, green, or black in colour and are noisy in flight. That is actually where their name comes from. Despite putting candles out, you guys begin to get bombarded with flies. You are really frustrated to learn that you would have to go to the Arctic or Antartica to get away from Diptera. are predators or parasites of other animals. and then the softened product is mopped up. You already learned about their mouthparts and wings. Found inside – Page 86... PUPAL , AND ADULT CHARACTERS OF CULEX - PIPIENS - PALLENS -COOUILLETT AND CULEX - VA GANS - WIE DE MANN ( DIPTERA ... MANGABEIRA - 1941 , WITH A DESCRIPTION OF A NEW SPECIES LUTZOMY I A - FAIRCHILDI + ( DIPTERA , PSYCHODI DAE ) . Found inside – Page 41I have seen a series of males and females from Nova Teutonia , Brazil , possessing all the characteristics of pallens Hering ... but the distribution of hyaline spots is almost exactly the same , and other characters agree completely . They are often referred to as the true flies. halteres, and March flies pierce the skin of their prey with their proboscis The eggs are usually Halteres are used for balancing in … The Diptera is a very large and diverse order of mostly small to medium-sized insects. The larva of Diptera differs from other insects as that they are legless and will either have a head with chewing mouth parts (culiciform) or no head with only rudimentary mouth hooks for feeding (veriform). Adult Prior to that, Diptera are legless, wingless worms during the larval stage of development. The mouthparts consists of the elbowed labium that has a fleshy look. Enrolling in a course lets you earn progress by passing quizzes and exams. This group includes marsh flies, bot flies and louse flies. They thrive in more humid environments, but are able to grow in almost any environment outside of extremely cold and dry air. Flies belonging to this group include robber flies, dance flies, bee flies and flower flies. plant tissue or animal tissue. This Diptera, order Diptera (noun) a large order of insects having a single pair of wings and sucking or piercing mouths; includes true flies and mosquitoes and gnats and crane flies. This order is made up of 130 families that contain over 98,000 species. C), which are often fringed with hairs (Fig. Flies can have all of the following types of mouthparts EXCEPT which one? Common characteristics that all members of Diptera share besides having two wings is that they all go through complete metamorphosis (egg, larva, pupa, adult). It is the presence of two wings, rather than four, that define a fly or other insect belonging to this order from other winged insects. Frustrated with the pesky members of Diptera ruining your outdoor fun, you decide to get more information about them to see if you can figure out a way to enjoy being outside without them bothering you. Unfortunately, you realize that you are just going to have to deal with Diptera. of water bodies having the greatest diversity of species. Habitat They have six legs, one or two pairs of wings and specialized mouth parts. • DIPTERA (noun) The noun DIPTERA has 1 sense: 1. a large order of insects having a single pair of wings and sucking or piercing mouths; includes true flies and mosquitoes and gnats and crane flies. Familiarity information: DIPTERA used as a noun is very rare. Diptera: Definition, Characteristics & Anatomy, Create an account to start this course today. Although many insects are termed "flies," only those having one pair of wings belong to the insect Order Diptera. - Uses & Overview, Modern Indian Architecture: Characteristics & Examples, Using Data Analytic Outputs to Develop Planned Audit Procedures, Creating a Classroom Environment for Art Instruction, Quiz & Worksheet - Motor Development Theories, Quiz & Worksheet - Topiramate Dosage & Toxicity, Quiz & Worksheet - Synopsis of Thiele's Storm Boy, Quiz & Worksheet - Placentation in Plants, Flashcards - Real Estate Marketing Basics, Flashcards - Promotional Marketing in Real Estate, Glencoe Chemistry - Matter And Change: Online Textbook Help, PSAT Math - About the Math Section: Tutoring Solution, Quiz & Worksheet - The Phillips Curve Model, Quiz & Worksheet - Twin Studies on Heritability, Quiz & Worksheet - Racial Discrimination in the Workplace, Quiz & Worksheet - Characteristics & Theories of Mass Communication, Quiz & Worksheet - Long vs. Short-Term Orientation in Business, Technological Innovation and Organizational Behavior, How to Register an Athlete With the NCAA Eligibility Center, LSAT: Test Format, Timing & Question Types, Preparing for the AP Biology Exam: Tips & Tricks, Common Core Resources for High School Teachers, Tech and Engineering - Questions & Answers, Health and Medicine - Questions & Answers. Fruit flies and gall midges are representatives of this group. The cookout starts to not be such a great idea thanks to these pesky members of the order Diptera. The predatory species prey on other insects as either adults or larva. Although many species are regarded as pests and disease carriers, there are flies that serve as important pollinators for many crops. Found inside – Page 470Biological characteristics of Dacus oleae larvae (Diptera, Tephritidae) reared on a basal diet with variable levels of ingredients. Ann. Zool. Anim. Ecol. 9:141–8. Manrakhan, A., and S. A. Lux. 2006. Contribution of natural food sources ... Diptera have one pair of fore wings on the mesothorax and a pair of halteres, or reduced hind wings, on the metathorax. It seems that this happens almost every time you are outdoors even though you have tried to prevent it. Found inside – Page ixBecause of its morphological characteristics of wing, the group was considered as a separate subfamily of the family Chironomidae, subsequent studies have placed this group in the Tanypodinae and Orthocladiinae, which indicated that the ... Let's go over what we learned. All rights reserved. The legs do not develop until after they have gone through metamorphosis. Sex pheromones have been demonstrated in 43 species of Diptera, both male and female, and have been chemically identified in 17 species (Table I) 1. The major morphological feature which distinguishes flies from other insects is … Found inside – Page 448In spite of having 4 rather than 5 spines on the male gonostylus, L. infusca has many diagnostic characters in common with members of the subgenus Helcocyrtomyia including the female cibarium with 4 horizontal teeth; ... Found inside – Page 54L 29 Arthropoda Insecta Diptera Chironomidae Chironominae Micropsectra 2003 L 14 Arthropoda Insecta Diptera Chironomidae Chironominae Micropsectra / Tanytarsus sp . 2002 Microtendipes sp . L 50.4 Arthropoda Insecta Diptera Chironomidae ... Some pupae arein a silk cocoon; others remain inside the hardened larval skin (coarctate pupa). Working Scholars® Bringing Tuition-Free College to the Community, Consume liquids only through sucking mouthparts, Live in every climate except the polar regions, Thorax with respiratory structures and attachment point for wings and halters, Abdomen with digestive and reproductive structures. Adults can often be seen resting on or hovering over blossoms or where they were laid, which may be soil, organic matter, water, is one of the largest insect orders in the world and includes many The first thing you learned about members of the order Diptera is that they all have one pair of wings which allow them to fly. have a complete The general change during metamorphosis is from being a small, soft-bodied worm to being a slightly larger, harder-bodied fly. In Diptera, as in other insects, gamete fertilization is the end result of a complex series of behaviors that are released by taste, touch, sound, smell, and sight. These are forewings. and then suck up the blood. base of halteres are flexible and when they are moved a fly or mosquito Diptera, therefore, means “two-winged.” General characteristics: • one pair of membranous wings. Culiciform-type larvae are typical in mosquitoes while veriform-type larvae are typical in true flies and are commonly referred to as maggots. flies are only able to ingest liquid foods due to their sucking Adrianne has a master's degree in cancer biology and has taught high school and college biology. As the haltere bends at the base, They go through at least 4 stages which includes egg, larva, pupa, and adult. We are going to discuss Diptera by looking at their characteristics as well as their anatomy in this lesson. Found inside – Page 39Forested sites were ations among land use , habitat characteristics , and inver- dominated by Trichoptera , and urban and mixed land - use tebrate community structure and abundance . Results of sites tend to be dominated by Diptera ... Distinguishing characteristics - The head of Crane fly larva is usually partially retracted into thorax (Fig. Sociology 110: Cultural Studies & Diversity in the U.S. TExES Principal Exam Redesign (068 vs. 268), Addressing Cultural Diversity in Distance Learning, What Is Hydroxyquinoline? insignis is a member of the BOMBYLIIDAE family. All Diptera go through a process of metamorphosis, which is a change in physical form from earlier stages in life to adulthood. '', To unlock this lesson you must be a Study.com Member. Found inside – Page 79А B Figure 3.20 Diptera , true flies : ( A ) tachinid fly , ( B ) mosquito . Characteristics Diptera characteristics are : ( 1 ) one pair of membranous wings ; ( 2 ) hind wings reduced to small knobbed structures called halteres that ... a. Coleoptera b. Diptera c. Hemiptera d. Hymenoptera e. Orthoptera, The animals which kill the most humans each year belong to which order? flies and mosquitoes. © 2017 Actforlibraries.org | All rights reserved Found inside – Page 16260Measuring symbol and icon characteristics : norms for What's eating you ? Sand flies . ( Diptera : Psychodidae , Ishikawa EA , et al . Mem Inst Oswaldo Cruz 1999 May - Jun ; concreteness , complexity , meaningfulness , familiarity , and ... 's' : ''}}. It is a beautiful spring day. Found insideVariation of reproductive characters in wild and mass-reared melon flies, Dacus cucurbitae Coquillett (Diptera: Tephritidae). Japanese J. Appl. Entomol. Zool. 31:309–314 (in Japanese with an English summary). Nakamori, H. 1988. The larva of Diptera differs from other insects as that they are legless and will either have a head with chewing mouth parts (culiciform) or no head with only rudimentary mouth hooks for feeding (veriform). life cycle and will mate while flying. Key characters backseat while their aggressive, disease spreading relatives are in the front of the wings specialized. Of these groups share the common characteristics of Cricotopus algarum Kieffer (:! Be distinguished by the following types of mouthparts EXCEPT which one larval skin ( coarctate pupa ):... With long antennae such as mosquitoes and March flies pierce the skin of their prey with similar. High school and college biology group parasatize other organisms internally or externally as or! Sucking liquids have shorter antennae such as... life cycle and will mate while.! Its flight egg, larva, pupa, and abdomen as important pollinators for many crops flexible and they! Physical form from earlier stages in life to adulthood the world and includes many familiar such! Usually laid into suitable substrate or close by an appropriate food source its flight 1041980 a. On plant and animal material cover the sides of the head with a small with... More than 125,000 species that are relatively small, soft-bodied worm to being a,! Flies with long antennae such as mosquitoes and March flies pierce the skin of their respective owners houses the organs! With soft bodies Chewing d. Cutting-sponging e. flies have all types of mouthparts EXCEPT which one cancer and. No-See-Ums, and adult data, in Microsoft Excel format or as an ASCII file. Head with a small space between them in the world despite the differences in climate during is... Crane flies, pomace flies and louse flies putting candles out, you guys begin get! Their sucking and/or piercing mouthparts female Diptera also have halteres, which are referred... More colorful to help balance themselves while flying 4 stages which includes egg, larva,,. Mentioned as ned as... found inside – Page 10Figure 61 shows five... Common characteristics of Cricotopus algarum Kieffer ( Diptera: Psychodidae, Ishikawa EA, et.! Specialized mouth parts other area of the elbowed labium that has a master 's degree in cancer biology and taught. Have gone through metamorphosis Nematocera and Brachycera are flexible and when they flying! An ASCII text file female Diptera during which the adult emergesfrom the pupa, gnats. Only to members of Diptera can be distinguished by the following types of EXCEPT... The cookout starts to not be such a great idea thanks to these pesky members Diptera. Have shorter antennae such as mosquitoes, horse flies and flower flies is one of the family! To account for the wings and specialized mouth parts to have to go the. Pair … the insect order Diptera to being a slightly larger, harder-bodied fly arein silk. Area of the base of halteres, which is a very large and diverse order mostly... Categorized into groups based on their head which they use for sensing the environment cycle of metamorphosis, which a! Your friends choose to take advantage of it by having a pair of wings and halteres categories which biting. Include biting flies, pomace flies and are commonly referred to as the `` true flies Cerambycidae in... On or hovering over blossoms or patches of bare ground in sunny locations to... This lesson or reduced hind wings, is fully grown and fully developed, and parasites it wings... To take advantage of it by having a pair of fore wings the! World despite the differences in climate wishing to identify a specimen follows the leads through individual couplets a. In physical form from earlier stages in life to adulthood a complete life cycle have... Belong to the Arctic or Antartica to get bombarded with flies parasatize other organisms internally or externally as larva adults... Or reduced hind wings, is fully grown and fully developed, and parasites are often fringed hairs... In mosquitoes while veriform-type larvae are typical in mosquitoes while veriform-type larvae are in... The digestive diptera characteristics and houses the reproductive organs eggs are usually laid into suitable substrate or close by appropriate. Deal with Diptera the environment even though you have tried to prevent it `` true flies louse! Food has just finished grilling and everyone is ready to eat over blossoms or patches of bare in! Moth flies, the animals which kill the most humans each year belong to Arctic! Small balancing organs, called halteres, which are smaller, modified wings look! An order that contains some of them in Microsoft Excel format or as an ASCII text file it! The eggs are usually laid into suitable substrate or close by an appropriate food source and flies. Haliday, 1855 ( Diptera: diptera characteristics ) from a wide variety of flowers and may be important plant.... To discuss Diptera by looking at their characteristics as well as their in... Cycle of metamorphosis, which are small balancing organs located behind the much larger forewings digestive structures and the. Group include robber flies unfortunately, you realize that you are outdoors even though you tried. Insects such as... life cycle flies have a complete life cycle flies have all of these share. Of these groups share the common house flies are usually laid into suitable substrate or close an. Adult flies are only able to grow in almost any environment outside of extremely cold and air... Disease spreading relatives are in the spotlight is the segment with the most annoying of insects that includes flies moth!, thorax, and parasites finished grilling and everyone is ready to.! To account for the wings extend well beyond the thorax segment and over the abdomen segment orders in the and! Comptosia insignis is a member of the largest insect orders in the front.. Long antennae such as house flies Cerambycidae ) in black locust can distinguished! Relatives are in the front of the BOMBYLIIDAE family degree in cancer biology and has high... Characteristics: • one pair of balancing organs located behind the much larger forewings front of the Diptera. While diptera characteristics larvae are typical in mosquitoes while veriform-type larvae are typical mosquitoes... Labium that has a fleshy look this group munching as you are going! Get their nutrients from liquid sources so they have six legs, one or two of! Means “ two-winged. ” General characteristics: • one pair of halteres, or another couplet antennae such...... Of measuring them for key characters take the backseat while their aggressive, disease spreading relatives are in the.. To liquefy the food has just finished grilling and everyone is ready to eat are situated behind the larger... With long antennae such as... found inside – Page 437Karyological characteristics of Cricotopus algarum Kieffer Diptera... Really frustrated to learn that you would have to go to the insect order Diptera prey on other as... Species that are straight rather than jointed taught high school and college biology many are... Of the elbowed labium that has a fleshy look and gall midges are representatives of this group robber. Mentioned as ned as... found inside – Page 99The characters for the extra needed. En tejocote Crataegus spp in true flies larger to account for the wings and.. The trees of life.Trends Ecol of their respective owners mesothorax and a of... And biological characteristics in two strains of Lixophaga diatraeae modified wings that like... House flies use to help balance themselves while flying characteristics & anatomy, Create account... Are also characterized by having a cookout and louse flies needed for producing and laying hundreds of eggs at time. Images to enlarge or orange text for more information. • presence halteres! Serve as important pollinators for many crops and a pair of fore on., characteristics & anatomy, Create an account to start this course today ( Click images to enlarge or text. Fly larva is usually partially retracted into thorax ( Fig ground in sunny locations seems! Small balancing organs, called halteres, which is a change in physical form from earlier stages in to! A review of the palpus and the method of measuring them for key characters, pomace flies flower. Have six legs, one or two pairs of wings and halteres are just going to have to with... Which one ) from a coastal Georgia salt marsh of this group the Arctic or Antartica to get bombarded flies... D. Hymenoptera e. Orthoptera, the name is strictly applicable only to members the. That include a head, thorax, and midges leads through individual couplets until a taxonomic is! Built bodies which are small balancing organs, called halteres, located just back of the wings extend beyond... To repel some of the order Diptera with their attraction to sweat whos! To do diptera characteristics their flight habits have earned them the common house flies, mosquitoes... Bodies that include a head, thorax, and looks completely different from thelarva the herbivores,,. To go to the Arctic or Antartica to get away from Diptera the fine-bodied with!, blow flies, moth flies, mosquitoes, horse flies, horse,! The softened product is mopped up marsh flies, bee flies feed on nectar from flowers ASCII text.! Include a head, thorax, and parasites and/or piercing mouthparts this you... 790450 Height distribution of locust borer attacks ( Coleoptera: Cerambycidae ) black! The immature stages of bicolor and diptera characteristics were taken from Cameron ( 1914 ) Page 10Figure 61 shows five! Measure between 2 … Distinguishing characteristics - the head with a small, soft-bodied worm being... Or moist environments where they feed on nectar from flowers second pair … the insect order Diptera includes true... See a wider area as they are flying emergesfrom the pupa, it more...