Pheromones Pheromones are chemical signals that are used among insects or animals to communicate and to convey messages among species of the same colony. The messages that pheromones convey have to do with behavior and physiological functions. In other words‚ pheromones are hormones that are excreted and act outside of the body. The word “Pheromones” comes from Greek which means “carrier of excitation”. The purpose why animals and insects excrete these hormones is: to convey the message that
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Pheromones: Chemical Messanger Have you ever wonder how does an insect communicate? Unlike other living organisms‚ insects don’t have the ability to speak and communicate. Some insects may even look like they have eyes but they cannot see through them. So how does these insects communicate with each other? Simple‚ they send chemical signals that can easily be detected by other insects of their own kind. These chemicals are called pheromones. These are some examples of insects that contain and
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PHEROMONES 1. INTRODUCTION What are pheromones? Pheromones‚ as defined by John W. Kimball‚ are chemicals released by an organism into its environment enabling it to communicate with other members of its own species. The term Pheromones (originates from two Greek words‚ pherein meaning transfer and hormone meaning to excite or stimulate)‚ as proposed by Karlson and Luscher(1959) was used to describe a chemical secreted by an animal to release a specific reaction that triggers members of
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Topic 6: Mammalian Pheromones Abstract A pheromone is a chemical signal which is released by one animal and received by another‚ which induce a species specific reaction. Pheromones are detected via chemosensory systems known as the Vomeronasal Organ (VNO). Within a wide range of mammals the VNO is used to elicit a generalized sexual response‚ primarily affecting the reproductive tract. This is seen in most terrestrial mammals who have adapted to sensing volatile chemical signals; the Mouse displays
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Termites are a group of eusocial insects that‚ until recently‚ were classified at the taxonomic rank of order Isoptera (see taxonomy below)‚ but are now accepted as the epifamily Termitoidae‚ of the cockroach order Blattodea. While termites are commonly known‚ especially in Australia‚ as "white ants‚" they are only distantly related to the ants. Like ants‚ some bees‚ and wasps—which are all placed in the separate order Hymenoptera—termites divide labour among castes‚ produce overlapping generations
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This is about termites and details my findings about them‚ and also is meant to provide some helpful info on how to deal with termite infestation. You’ll find lots of termite pictures here too. But this site is also meant to highlight a whole lot more interesting aspects on these insects‚ and feature many species which are NOT pests‚ and which are rare or will never be found in urban environments or human habitation. Second only to ants‚ termites are one of the most numerous insects on earth
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Rory Atteridge 0603612E Sex Pheromones in the Insects Introduction Sex pheromones are chemicals or odours given off by an individual in order to invoke a sexual response or behaviour change on individuals of the same species (Shorey 1973). These chemicals can be released by males and/or females‚ depending on the species (Gieselhardt et al. 2008‚ Ayasse et al. 2001). Pheromones generally consist of a carbon backbone of between 10 and 20 carbon atoms (in Lepidoptera)‚ these are however
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Termites are a group of eusocial insects that‚ until recently‚ were classified at the taxonomic rank of order Isoptera‚ but are now accepted as the infraorder Isoptera‚ of the cockroach order Blattodea. While termites are commonly known‚ especially in Australia‚ as "white ants"‚ they are for practical purposes unrelated to the ants. Like ants‚ and some bees and wasps—which are all placed in the separate order Hymenoptera—termites divide labor among castes‚ produce overlapping generations and take
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2 Introduction The termites‚ a small white insect which eats wood and live in hot countries‚ are the group of unsocial insects that are classified as the Epifamily Termitoidae. While termites are commonly known‚ especially in Australia‚ as "white ants"‚ they are only distantly related to the ants. A pheromone is any chemical substance released by an animal that serves to influence the behavior of other members of the same species. Furthermore‚ the pheromones are chemicals capable of acting
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Termite Lab Report The effect of ink on termite behavior Abstract Termites produce special chemicals within their bodies called pheromones. Because termites are usually found inside dark areas‚ pheromones help them communicate in these places. Past studies have suggested that ink inside ballpoint pens contains pheromones‚ causing termites to follow any trail created by the ink. If a pathway is drawn with an ink pen‚ then a termite will be attracted to the path and trace it due to the pheromones
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