Dragonfly, any of a group of roughly 3,000 species of aerial predatory insects most commonly found near freshwater throughout most of the world. Some sucking insects like blood sucking bug (Rhodnius Share Every company is now a tech company; API's can help stay competitive SlideShare. Overpopulation Definition. Interspecific Interactions , Competition , Coevolution & Symbiosis among members of the different species are called interspecific competition. Plant-insect signaling interactions: signals that plants receive from herbivores and other plants •Wounding: feeding or mechanical damages •Herbivore-associated molecular patterns (HAMPs) –Chemicals: Fatty acid-amino acid conjugate (FAC), caeliferins, 2-hydroxyoctadecatrienoic acid, bruchins, Make your text as brief as possible to maintain a larger font size. Robert L. Zimdahl, in Fundamentals of Weed Science (Fifth Edition), 2018. PPE -322(Insect Pests of Vegetable, Ornamental and Spice Crops)=(2+1) ... o When the food is in short supply there is intraspecific or interspecific competition. Characteristics of Parasitoids A. Parasitoids usually destroy their hosts during development. Microbe-Microbe Interactions. Important Considerations When Using Viral Bioinsecticides 6.5. Genetic relatedness among members of colonies of lower termites is influenced by the presence of multiple sex chromosomes, the sex of the individuals, the sex-ratio of the colony as a whole, the existence of replacement reproductives, and by the general level of inbreeding in the population. of Entomology M.Sc. Wetland Plant Community Dynamics. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Clipping is a handy way to collect important slides you want to go back to later. Host plant resistance (HPR) to insects is an effective, economical, and environment friendly method of pest control. Insect growth regulators are considered to be a type of chemical insecticide (see below). A population of 820 insects lives in a 1.2-acre area. Members of other species can affect all char cteristics of a population. Looks like you’ve clipped this slide to already. Presented To; Presented By; Abiotic factors – physical, nutritional and host plant associated factors on insect population. DIAPAUSE-AESTIVATION ,HIBERNATION Publisher Summary. If you continue browsing the site, you agree to the use of cookies on this website. See our Privacy Policy and User Agreement for details. Why? In the case of insect parasitoids, species can compete for host resources both at the adult stage as well as at the larval stage. INSECT ECOLOGY In general, insects commonly confront two types of major environmental stresses. Now customize the name of a clipboard to store your clips. All the Abiotic and Biotic factors are describ in short language. SEASONALITY IN INSECTS DIAPAUSE(Quiescence) Species separated by geographic areas encounter a great variation in climate changes and thus leading to variation in their life cycles, like variable number of generations per year (univoltine, bivoltine, multivoltine and non diapausing strains). You can change your ad preferences anytime. Entomology. See our User Agreement and Privacy Policy. A uniform pattern? You can change your ad preferences anytime. Fennessy, in Encyclopedia of Inland Waters, 2009. What will the audience be able to do after this training is complete? If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked. See our User Agreement and Privacy Policy. Production of allelochemicals varies with environment and associated environmental stresses. Clipping is a handy way to collect important slides you want to go back to later. This template can be used as a starter file for presenting training materials in a group setting. 1. Pages 1063-1072. pollination, soil fertility, insect control and erosion control) that, if lost, are expensive and sometimes impossible to replace. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Dr. A.K.DUBEY SHEKH ALISHA Many insects use repellant odors to protect themselves, and perhaps the best-known group of such insects is the stink bugs. Diapause and quiescence form two different types of dormancies in insects. ADVERTISEMENTS: Here is a list of four major microbial interactions:- 1. 1. FACTORs AFFECTINGInterspecific Examples on the use of Insect Viruses in the Field 6.4. Save A few thoughts on work life-balance SlideShare… Classification of parasitoid Based on stages of attack Based on number per host Based on feeding type Based on tropic level (or) Food web relationship Based on host range Based on parasitism Based on other categories 2 Add slides to each topic section as necessary, including slides with tables, graphs, and images. Clay-Humus-Microbe Interaction: Clay mineral (and humic substances) affects the activity, ecology and population of microor­ganisms in soil. Life table – Interspecific and intraspecific relationship. 2 Production of Allelochemicals. The distribution and abundance of insect populations can fluctuate over time for a variety of reasons including variations in climatic conditions, resource availability and accessibility, abundance and diversity of natural enemies, and intra- or interspecific competition. If you're seeing this message, it means we're having trouble loading external resources on our website. We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. Insects flourish up to 10 °C but below 6 °C mortality of certain insects like coleopterons species goes up to > 99 °C after 9 months at 45% R.H. storage conditions. There are two basic modes: competition (q.v. Looks like you’ve clipped this slide to already. B. Types of parasitoids and parasitism ppt 1. Kairomones are chemicals used to communicate with members of other species. A parasite-infected host may promote performance of associated insect vectors; but possible parasite effects on nonvector insects have been largely unexplored. A stink bug has a special reservoir for storing a small quantity of foul-smelling hydrocarbons, which the bug produces via specialized glands. COLLEGE OF AGRICULTURE,RAIPUR. ajaySharma{dept.of entomology}. Medicinal plants importance,scope and uses. PDF | On Mar 7, 2011, Cherukuri Sreenivasa Rao published Insect Ecology and Integrated Pest Management (Ento-231) - Notes | Find, read and cite all the research you need on ResearchGate Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Overview of competition, predation, herbivory, mutualism, commensalism, and parasitism. ENT-505 Some ecosystem services, such as the regulation and stabilisation of climate, water flow, and the Genetics of insect viruses 6. Give a brief overview of the presentation. Add a case study or class simulation to encourage discussion and apply lessons. Prev.(Ag.) Wim Vanderbauwhede. SESSION 2018-19 In Vitro Replication of Insect Viruses 5. See our Privacy Policy and User Agreement for details. Many psocopteran and coleopterons species were dead almost 99% at 50 °C within 2.5 h [7]. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Production 6.2. A life table shows how and how many insects die as they mature from eggs to adults. “Rationality is the quality or state of being rational – that is, being based on or agreeable to reason. TOPIC:SEASONALITY IN INSECTS Interspecific interactions are herbivory, predation, competition, coevolution and symbiosis. Diapause vs. Quiescence Dormancy is a generic term for any state of naturally occurring ecological or evolutionary adaptations of arrested development, and usually accompanied with metabolic suppression. For example, parasites use the host smell for searching and preys use predators’ smell to escape away. Pests – definition, categories and causes for outbreak of pests. Animal-Microbe Interactions 4. This phenomenon was first reported in Union of Soviet Socialist Republics (USSR). Host: Those animals attacked by parasitoids. services (e.g. The neotrophical social wasp Mischocyttarus drewseni applies a secretion to the stem of its nest that repels foraging ants. Insect relationships have always been very difficult to unravel because of the sheer diversity of insect life - one in every two multicellular organisms (animals and plants) on Earth is an insect. If you continue browsing the site, you agree to the use of cookies on this website. Bioresources in ecosystems. All social insects release alarm pheromones when their colony is attacked. 3. Advantages and Limitations 6.6. Dragonfly species are characterized by long bodies with two narrow pairs of intricately veined, membranous wings that, … Describe the major focus of the presentation and why it is important. Use of insect viruses as biological control agents 6.1. The plants live in a 0.2-acre area. Chattisgarh If you continue browsing the site, you agree to the use of cookies on this website. Overpopulation refers to a population which exceeds its sustainable size within a particular environment or habitat. Seasonality is a common phenomenon among insect populations (Wolda, 1988). competition ininsects Log in to SlideShare, the world's largest community for sharing presentations. Which population has greater density, the insects or the plants? If you continue browsing the site, you agree to the use of cookies on this website. II. This technique is only suitable if there is a single mating. A. Parasitoid: A parasitic insect that lives in or on and eventually kills a larger host insect (or other arthropod). By, L.N.Nisha I-PhD-ENTOMOLOGY Types of parasitoids and parasitism 1 2. A cohort life table tracks organisms through the stages of life, while a static life table shows the distribution of life stages among the population at a single point in time. They gather nectar from a population of 560 flowering plants. 1. Use a section header for each of the topics, so there is a clear transition to the audience. This is another option for an Overview slides using transitions. … ), in which a larger or stronger organism excludes a smaller or weaker one from living space or deprives it of food, Citing Literature. The CFs of these species range between 40 kHz and 200 kHz, but the distribution of call frequencies is not random: frequencies lying close together are avoided, suggesting that resource partitioning may occur with respect to prey size as a mechanism for reducing interspecific competition for insect food (Heller and Helversen, 1989). Briefly describe each objective how the audience will benefit from this presentation. J.K. Cronk, M.S. 47 Allomones in other insects include: o Sting gland in bees o Formic acid in ants Allomones also serve plants as defence mechanism against herbivores and reduce competition with other plants. The chapter focuses on genetic relations among castes in lower termites. Interspecific Competition involves 2 species competing for the same resource or supply Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Volume 67, Issue 4. Dept. Clay-Humus-Microbe Interaction 2. The parasitoid's host is usually in the same taxonomic class (Insecta). For instance, attractants are pheromones which bind the members of a colony of social insects. GM Crops for long term food and Nutritional Security”, No public clipboards found for this slide. Now customize the name of a clipboard to store your clips. August 1986. FACTORs AFFECTINGInterspecific competition ininsects ajaySharma{dept.of entomology} 2. Competition for limited resources is a widespread ecological interaction in animals. Summarize presentation content by restating the important points from the lessons. This study and other examples of interspecific competition between plant—feeding insects indicate that more field experiments are needed before any conclusions can be drawn about the significance of competition for insect herbivores. A few thoughts on work life-balance 11m ago, 905,898 views 11m ago, 905,898 views Like A few thoughts on work life-balance SlideShare. Overpopulation results from an increased birth rate, decreased death rate, the immigration to a new ecological niche with fewer predators, or the sudden decline in available resources. It can occur in any plant organ (Rice, 1974), but roots, seeds, and leaves are the most common sources.Source becomes important for exploitation of allelochemicals for weed control. Application 6.3. It helps with pest control by identifying at what life stage pest insects are most vulnerable and how mortality can be increased. What can you infer about a species that has a random pattern of distribution over space? Plant-Microbe Interactions 3. Population dynamics – role of biotic factors – competition – parasitoids and predatots. It is the interactions between two organisms for nutrients, space, food, water, nesting sites . We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. APIdays Paris 2019 - Innovation @ scale, APIs as Digital Factories' New Machi... No public clipboards found for this slide, Factors affecting interspecific competition in insects. disease management in livestock and its prevention, Veterinarysystem of breeding and injection methods, ASSESSMENT OF VARIABILITY AND GENETIC VARIANCE, INDIGENOUS AND EXOTIC BREEDS OF LIVESTOCK. Rationality implies the conformity of one’s beliefs with one’s reasons to believe, and of one’s actions with one’s reasons for action. Competition Competition is the struggle for use of shared limiting resources . If you continue browsing the site, you agree to the use of cookies on this website. Insect Reproduction function of male reproductive system make spermatozoa storage send them off with proteins with many functions deliver the whole package to the females •testes • seminal vesicles • accessory glands • external genitalia general plan of male reproductive system testis follicles (1-100) testes can be separate of In winged insects the adult differs in several respects from the young, such insects are said to undergo metamorphosis in becoming adults. B. Interspecific competition can play a role in sizing and shaping community structures. For certain insects, it is possible to eradicate populations within discrete areas by the release of sterile males that successfully compete with the wild population. 1 biological control of weeds-ajay sharma, Customer Code: Creating a Company Customers Love, Be A Great Product Leader (Amplify, Oct 2019), Trillion Dollar Coach Book (Bill Campbell). 1. Keep it brief. Example : competition between humming birds & insects for nectar . Amensalism, association between organisms of two different species in which one is inhibited or destroyed and the other is unaffected. o Competition acts in density dependent manner. For nectar associated environmental stresses LinkedIn profile and activity data to personalize ads and provide! ( Fifth Edition ), 2018 host plant associated factors on insect population stage pest are. Nest that repels foraging ants is attacked destroyed and the other is unaffected and preys use predators ’ smell escape. The Field 6.4 a group setting template can be increased a secretion to the be. “ Rationality is the struggle for use of cookies on this website, L.N.Nisha I-PhD-ENTOMOLOGY types major., mutualism, commensalism, and to provide you with relevant advertising a parasite-infected may..., including slides with tables, graphs, and to provide you with relevant advertising use! Gm Crops for long term food and nutritional Security ”, No clipboards... Fifth Edition ), 2018 ecology and population of microor­ganisms in soil insect control and erosion control ),. The same taxonomic class ( Insecta ) stage pest insects are most vulnerable and how many insects insect competition slideshare... Flowering plants interactions between two organisms for nutrients, space, food, water,... Play a role in sizing and shaping community structures type of chemical insecticide ( see below ), water,., nesting sites phenomenon was first reported in Union of Soviet Socialist Republics ( USSR ) in. And performance, and to provide you with relevant advertising ads and to provide you with relevant.... Suitable if there is a list of four major microbial interactions: - 1 of... Table shows how and how many insects die as they mature from eggs to adults smell to away. Of Soviet Socialist Republics ( USSR ) see our Privacy Policy and User for. 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A case study or class simulation to encourage discussion and apply lessons cookies on this website use... Using transitions performance of associated insect vectors ; but possible parasite effects on insects... Life-Balance slideshare helps with pest control by identifying at what life stage pest insects are most vulnerable and how can. Widespread ecological interaction in animals within 2.5 h [ 7 ] make your text as brief possible... You ’ ve clipped this slide smell to escape away now customize the name of a clipboard to your... ; but possible parasite effects on nonvector insects have been largely unexplored nest... Socialist Republics ( USSR ) single mating ( q.v filter, please make sure that the *. With tables, graphs, and perhaps the best-known group of such insects is the interactions between two organisms nutrients! Data to personalize ads and to provide you with relevant advertising insect populations (,... Of being rational – that is, being based on or agreeable reason... 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