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Topic: Social insects

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  MSN Encarta - Insect   (Site not responding. Last check: 2007-11-06)
Insects such as the bees, ants, and termites have elaborate social structures in which the various forms of activity necessary for the feeding, shelter, and reproduction of the colony are divided among individuals especially adapted for the various activities.
The relationship between insect and plant is frequently a necessary one for the growth and reproduction of the plant, as with plants that depend on insects for pollination.
Insects have an external rather than an internal skeleton; this exoskeleton is a rough integument formed by the hardening of the outer layer of the body through impregnation with pigments and polymerization of proteins, a process known as sclerotization.
uk.encarta.msn.com /encyclopedia_761576664/Insect.html   (1268 words)

Insects may be found in nearly all environments on the planet, although only a small number of species have adapted to any kind of life in the oceans.
Insects are generally small in size and possess segmented bodies supported by an exoskeleton made mostly of chitin.
Social insects, such as the ant or the bee, are the most familiar species of eusocial animal.
www.brainyencyclopedia.com /encyclopedia/i/in/insect.html   (1361 words)

Social insects, by virtue of their great abundance, are also the easiest of all animals to sample.
Consequently, social insects are superbly suited both to rapid inventories to establish hot spots and to longterm population studies of relevance to ecology and conservation biology.
Social insects have occupied much attention by systematists, and the basic outlines of their taxonomy are understood, and accessible.
www.antbase.org /SISG/sibiodiversity.htm   (625 words)

 Insect Facts
Insects are incredibly adaptable creatures and have evolved to live successfully in most environments on earth, including deserts and even the Antarctic.
Insects may reproduce by laying eggs, or in some species, the eggs hatch inside the female and are born a short time later.
Insects are cold-blooded, so the rate at which they grow and develop depends on the temperature of their environment.
www.ivyhall.district96.k12.il.us /4th/kkhp/1insects/buginfo.html   (1336 words)

 Social insects could offer clues about genetic conflict
Social insects are best known as exceptions to the general rule that relations between individuals are competitive.
They have evolved social organizations that are so harmonious that the colony itself is often considered a single individual, or "superorganism", for purposes of biological study.
Queller and Strassmann, both professors of ecology and evolutionary biology, believe that certain social insects -- ants, bees, and wasps -- are an exception because they have a peculiar genetic system called haploidiploidy, in which all the males result from unfertilized eggs.
www.eurekalert.org /pub_releases/2002-04/ru-sic040502.php   (589 words)

 Social insects point to non-genetic origins of societies
The ability of certain animals to form complex social systems -- particularly humans and social insects like bees, ants and termites -- is considered by many biologists to be one of the pinnacles of biological adaptation and complexity.
Social characteristics such as caste systems and complex behaviors have been thought to be traits programmed by genes, created through evolutionary processes.
Though insect social systems are in many ways as complex as human societies, Fewell contends that the relative simplicity of the insects themselves argues against the systems being created solely by the evolutionary development of biocomplexity in the individual organisms.
www.eurekalert.org /pub_releases/2003-09/asu-sip092603.php   (736 words)

 Social Insects
Insects that live cooperatively in colonies and exhibit a division of labor among distinct castes.
A social insect colony described as a multicellular animal, individual members of the colony are similar to individual cells in an animal
Most insects are not social, some aggregate or contact other members of their species for short periods to mate or for other functions.
www.ndsu.nodak.edu /entomology/topics/societies.htm   (788 words)

 BioMed Central | Full text | Theory of genomic imprinting conflict in social insects
Social insects are particularly interesting from this perspective for two reasons [13].
Social haplodiploids should show almost the reverse pattern; the demanding offspring should not necessarily be imprinted, but the responding care-givers, the workers, should be.
First, all of the predictions are based on the assumption that social insects have the requisite tools to imprint genes and to express them differentially according to the parent of origin.
www.biomedcentral.com /1471-2148/3/15   (12951 words)

 From flatworms to insects (from social behaviour in animals) --¬† Encyclop√¶dia Britannica
Social insects are best exemplified by termites (Isoptera) and by various ants, bees, and wasps (Hymenoptera).
Insects are distinguished from other arthropods by their body, which is divided into three major regions: (1) the head,...
Insects have been so successful in their fight for life that they are sometimes described as the human race's closest rivals for domination of the Earth.
www.britannica.com /eb/article-48607?tocId=48607   (840 words)

Insects are part of the community of animals.
The major purpose of this field trip would be terms and skills covered in class and to see a wide variety of insects in their environments.
Identify the 3 social insects at the exhibit.
curry.edschool.virginia.edu /it/projects/Museums/Teacher_Guide/Science/Insects.html   (948 words)

 SOCIAL - Definition
Of or pertaining to society; relating to men living in society, or to the public as an aggregate body; as, social interest or concerns; social pleasure; social benefits; social happiness; social duties.
Ready or disposed to mix in friendly converse; companionable; sociable; as, a social person.
{Social science}, the science of all that relates to the social condition, the relations and institutions which are involved in man's existence and his well-being as a member of an organized community; sociology.
www.hyperdictionary.com /dictionary/social   (339 words)

 Proceedings of the Colloquia on Social Insects   (Site not responding. Last check: 2007-11-06)
The papers specially devoted to phenology and annual cycle regulation in ants and other social insects are extremely rare; more frequently these questions may be broached only parenthetically and stand behind the main problem under consideration (for examples see the review of Brian, 1977).
Two forms of insect seasonal development control are known: exogenous regulation by the factors external for an organism (temperature, photoperiod etc.) and endogenous regulation based on the action of internal for an organism and autonomous mechanisms (Danilevsky et al., 1970; Zaslavski, 1984; Tauber et al., 1986).
The spontaneous processes are well known to participate in the regulation of seasonal development in many insects either exerting influence upon the diapause termination or modifying the tendency for diapause in a row of successive insect generations (Zaslavski, 1984).
www.bio.pu.ru /win/entomol/Kipyatkov/Publications/Papers/HTML/kipyatkov1993.htm   (8940 words)

 social insects · ants-bees   (Site not responding. Last check: 2007-11-06)
welcome to social insects this is a sight about those lovable insects such as ants and bees.
Social insects are insects that live together with usually 1 or more reproducers, which is usually the queen.
Ants being our main social insect on this web-sight I can do more with these insects and I am more knowledgeable about them.
www.freewebs.com /socialinsects   (216 words)

 Social Insects: The Ants   (Site not responding. Last check: 2007-11-06)
To contribute genes to future generations is an over-riding urge in the vast majority of animals (and plants) and it is one of the cornerstones of evolutionary theory.
However, some of the social insects are very different in their organisation.
J.R and Davies, N.B. (1998) Altruism in the Social Insects.
cwpp.slq.qld.gov.au /scos/articles/soc_insects.htm   (328 words)

 Family life of social insects   (Site not responding. Last check: 2007-11-06)
A few kinds of beetles and bugs also stay with their young after they are born, guarding and feeding them.
All termites, all ants, many bees, and some wasps are social insects.
Social insects communicate with one another by the use of sound, touch, and scent.
www.worldbook.com /wc/features/insects/html/familylife.html   (498 words)

 Lecture Outline   (Site not responding. Last check: 2007-11-06)
75% of all insect biomass consists of social insects (termites, ants, bees, and social wasps)
Note that conditions favoring evolution of sociality may not be the same as those important in maintaining sociality
Evolution of sociality in termites is thought to be different from that in social Hymenoptera, possibly through feeding communities for exchanging cellulose digesting symbionts and intense sibling competition (group selection)
entomology.unl.edu /lgh/ent108/Lec07.html   (1010 words)

 Adaptive Task Allocation Inspired by a Model of Division of Labor in Social Insects (SMEALSearch) - ...   (Site not responding. Last check: 2007-11-06)
Social insects provide us with a powerful metaphor to create decentralized systems of simple interacting, and often mobile, agents.
The emergent collective intelligence of social insects -- swarm intelligence -- resides not in complex individual abilities but rather in networks of interactions that exist among individuals and between individuals and their environment.
In particular, a recently proposed model of division of labor in a colony of primitively eusocial wasps, based on a simple reinforcement of response thresholds, can be transformed into a decentralized adaptive algorithm of task allocation.
smealsearch2.psu.edu /8866.html   (1007 words)

 Insects at EnchantedLearning.com
Bees are flying, social insects that live in a hive.
The silkworm moth is an insect (not a worm) that produces a silken cocoon.
Wasps are insects with 2 pairs of wings and strong jaws.
www.enchantedlearning.com /themes/insects.shtml   (1555 words)

 Bees and social insects
not every individual reproduces equally in the group, in most cases of insects, this means there is one or a few reproductive(s) ("queen", or "king"), and workers are more or less sterile.
Ito, Y. A new epoch in joint studies of social evolution: molecular and behavioural ecology of aphid soldiers.
Rypstra, A. Prey size, social competition, and the development of reproductive division of labor in social spider groups.
www.cyberbee.net /biology/ch2   (1588 words)

 American Zoologist: Evolution of Social Behavior in Insects and Arachnids, The
The Evolution of Social Behavior in Insects and Arachnids.
One useful way around the arbitrariness of definitions is to treat social behavior as a continuum, as Shellman-Reeve does in her review of termite sociality.
It has prompted me to increase the diversity of orders covered in my own course on social insects and it could be a valuable supplement for an advanced course on social behavior.
www.findarticles.com /p/articles/mi_qa3746/is_199806/ai_n8800689   (756 words)

 HUM-MOLGEN: Social insects point to non-genetic origins of societies
Social insects point to non-genetic origins of societies
Humans are social animals, but does our social organization result from our genetic makeup or does it come from something much more fundamental?
In a viewpoint essay in the September 26 issue of the journal Science, Fewell argues that complex social structures like those seen in social insect communities can arise initially from the nature of group interactions -- the inherent dynamics of networks.
hum-molgen.org /NewsGen/09-2003/msg46.html   (781 words)

 Swammerdam on social insects
He then fed the insect sugar water and showed that the liquid oozed out of the cut end of the thorax.
Having noted that all the social insect colonies were mainly made up of sterile females, with occasional production of males and the presence of one or more reproductive females, depending on the species, Swammerdam tried to explain why this kind of social organisation should exist.
Firstly, he noted that there was a clear reproductive division of labour within the colony: “the common Bees have no ovary, and therefore, like women who have lived virgins till they are past child-bearing, serve only the purpose of labour in the oeconomy of the whole body.
www.janswammerdam.net /bees.html   (1171 words)

 Eusocial Insects
This explains why there are sterile castes in eusocial insects; these workers may give up potential direct benefits associated with raising their own children, because indirect benefits are so beneficial.
The indirect benefits preference in social wasps can be used as a basis of comparison and analysis of the balance of indirect and direct benefits in other species.
Since the mother is related to both sons and to daughters 1/2, she will have a tendency to not show preference towards daughters, leading to a conflict of interest between the mother and her daughters.
es.rice.edu /projects/Bios321/eusocial.insect.html   (361 words)

 Insect Printouts - AllAboutNature.com
Insects are arthropods (a type of invertebrate, animals that lack a backbone).
All insects have a hard exoskeleton, a three-part body (head, thorax, and abdomen), three pairs of jointed legs, compound eyes, and two antennae.
Insects evolved during the Silurian Period, 438 to 408 mya (long before the dinosaurs appeared).
www.enchantedlearning.com /subjects/insects/printouts.shtml   (1155 words)

 Entomology at KU - Courses   (Site not responding. Last check: 2007-11-06)
A lecture course, with laboratory demonstrations, on the evolution and behavior of presocial and social insects, particularly ants, wasps, bees, and termites.
A lecture and laboratory course on the social behavior, communication, evolution, and agricultural importance of honeybees.
A survey of the major human diseases transmitted or caused by arthropods, particularly insects, with emphasis on the biology of vectors, on parasite-host relationships, and epidemiology of arthropod-borne diseases.
www.ku.edu /~entomol/courses.html   (510 words)

 [No title]
The course will introduce students to the unique characteristics of social wasps, bees, ants, and termites: natural history; division of labor and morphological differentiation as castes; social behavior; and evolution (genetic and ecological factors responsible).
Laboratory exercises will include: taxonomic identification of common social insects, particularly those in Florida; examination of the structure of social insect nests; methods for establishing nests and rearing social insects, specifically ants, bumble bees, and honey bees; communication dances of honey bees; and species or nestmate recognition.
Choe, J. and Crespi, B. Evolution of Social Behavior in Insects and Arachnids.
entnemdept.ifas.ufl.edu /eny4455.htm   (714 words)

 The Open Door Web Site : Biology : Social insects: Ants
Ants are probably the most highly developed social insects.
The workers, who are all sterile females, care for the queen, enlarge, repair and defend the nest, care for the young and gather food.
The sting is a particularly good defence against other insects because it produces a poison that contains an insect repellent gas.
www.saburchill.com /ans02/chapters/chap006.html   (755 words)

 The KLI Theory Lab - keywords - social insects
Williams, G.C. /Williams, D.C. Natural selection of individually harmful social adaptations among sibs with special reference social insects.
Wilson, E.O. Success and Dominance in Ecosystems: The Case of the Social Insects.
Keywords: dominance in ecosystems • social insects • success in ecosytems.
www.kli.ac.at /theorylab/Keyword/S/SocInsects.html   (85 words)

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