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Latest Symbiosis Stories

a02dfffe3616eb50857b1e330786ae14
2011-07-12 08:51:38

Ant colonies with more behavioral variety are more successful / New findings in ant behavioral research They attack other colonies, plunder and rob, kill other colonies' inhabitants or keep them as slaves: Ants are usually regarded as prototypes of social beings that are prepared to sacrifice their lives for their community, but they can also display extremely aggressive behavior towards other nests. The evolution and behavior of ants, in particular the relationship between socially...

2011-07-07 20:35:00

It seems we may have parasites to thank for the existence of sex as we know it. Indiana University biologists have found that, although sexual reproduction between two individuals is costly from an evolutionary perspective, it is favored over self-fertilization in the presence of coevolving parasites. Sex allows parents to produce offspring that are more resistant to the parasites, while self-fertilization dooms populations to extinction at the hands of their biological enemies. The July 8...

c5ecd29148e5ea2146b9f0a0aa16f8e8
2011-07-01 08:35:24

The development of agriculture was a significant event in human cultural evolution, but we are not the only organisms to have adopted an agricultural way of life. In a study published online June 29 in Genome Research, researchers have sequenced the genome of a fungus farming leaf-cutting ant, revealing new insights into the genetics and molecular biology behind this unusual lifestyle. Found in Central and South America as well as the southern United States, leaf-cutting ants have evolved a...

2011-06-27 23:39:40

Marine biologists of the University of Vienna publish in PNAS Marine shallow water sandy bottoms on the surface appear desert-like and empty, but in the interstitial space between the sand grains a diverse fauna flourishes. In addition to bacteria and protozoa numerous animal phyla have been found here, some only here. One of the strangest members of this interstitial fauna is Paracatenula, a several millimeters long, mouth and gut-less flatworm, which is found from tropical oceans to the...

da4b974b80e4dc7eec4863212fb1c724
2011-06-27 07:05:40

Fruits and vegetables that provide the highest levels of vitamins and minerals to the human diet globally depend heavily on bees and other pollinating animals, according to a new study published in the international online journal PLoS ONE. The new study was carried out by an interdisciplinary research team, comprised of pollination ecologists and a nutrition expert, based at the Leuphana University of Lneburg, the University of Berlin in Germany, and the University of California at Berkeley...

2011-06-21 21:25:16

Native bees "“ often small, stingless, solitary and unnoticed in the flashier world of stinging honeybees "“ are quite discriminating about where they live, according to U.S. Geological Survey research. The study found that, overall, composition of a plant community is a weak predictor of the composition of a bee community, which may seem counterintuitive at first, said USGS scientist and study lead Ralph Grundel. This may be because specialized plant-bee interactions, in which a...

2011-06-21 12:23:22

Scientists from the Swedish University of Agricultural Sciences and the University of Lund have discovered that the community composition of bumble bee species and their relative abundances have changed drastically over the last 70 years in Sweden. Over the same period, the average seed yield of red clover has declined and variation in yield has doubled, suggesting that the current dependence on few species for pollination of red clover has been detrimental especially to stability in seed...

2011-06-20 11:15:00

Governor Corbett Proclaims June 20-26 as 'Pollinator Week' HARRISBURG, Pa., June 20, 2011 /PRNewswire-USNewswire/ -- To highlight the vital role that pollinating insects play in Pennsylvania's agriculture industry, state officials today broke ground on a pollinator garden at the Department of Agriculture's headquarters in Harrisburg. The garden, which will be planted by an existing water retention garden, will be a habitat for pollinators including bees, beetles, flies, moths and...

e2cf4d6dacc73de31d6fa7e2f223cce6
2011-06-20 07:58:55

High-mountain wildflower season reduced, affecting pollinators like bees, hummingbirds It's summer wildflower season in the Rocky Mountains, a time when high-peaks meadows are dotted with riotous color. But for how long? Once, wildflower season in montane meadow ecosystems extended throughout the summer months. But now scientists have found a fall-off in wildflowers at mid-season. They published their results, funded by the National Science Foundation (NSF), in the current issue of the...

2011-06-15 13:46:21

Telling your partner to watch her weight is not recommended-unless you're a male cleaner fish, reports a new study in Proceedings of the Royal Society B. Cleaner fish feed in male-female pairs by removing parasites from larger 'client' fish. While providing this cleaning service, cleaners may get greedy and bite clients rather than sticking to parasites. This cheating by cleaners causes mealtimes to come to an abrupt end as the disgruntled client fish swims off. Females that bite clients...


Latest Symbiosis Reference Libraries

Sebae Clownfish, Amphiprion sebae
2013-02-17 07:52:18

Image Credit: Miles Wu/Wikipedia (CC BY-SA 2.0) The sabae clownfish is a very rare species in the wild and is aggressive, especially as it matures. It is found in the northern Indian Ocean around India, Sri Lanka, Arabian Peninsula, Andaman Islands, Sumatra, Indonesia, and the Maldive Islands. This fish inhabits lagoons and coastal waters around reefs, at a depth range of 6 - 75 feet. This species of fish is the most popular fish for home aquariums. The body of the sabae clownfish is...

Saddleback Clownfish, Amphiprion polymnus
2013-02-09 09:11:17

Image Caption: Amphiprion polymnus at Tasik Ria House reef, North Sulawesi, Indonesia. Credit: Jens Peterson/Wikipedia (CC BY-SA 3.0) Saddleback clownfish are found in harbors and lagoons with a soft or sandy bottom, around reefs at depths from 6 - 90 feet. This fish is native to the Western Pacific, around China, Viet Nam, Gulf of Thailand, Indonesia, Philippines, northern Australia, New Guinea, New Britain, and the Solomon Islands. The body of the saddleback clownfish ranges in color...

Convict Blenny, Pholidichthys leucotaenia
2013-01-03 15:48:38

The convict blenny lives in tunnels around coastal reefs and in shallow lagoons of the Western South Pacific, mainly from the Philippines to the Solomon Islands. The young of this fish will often swim in schools around the reef heads and ledges so tightly packed together they will look like one organism. This species, sometimes called a blenny and sometimes called a goby, actually it is neither. It is in a classification alone with one other species called a worm blenny. The convict blenny...

45_5be48d347149935ab7d04fdd256c85d1
2011-02-23 17:28:19

The Polydnaviruses (PDV) are a family of insect viruses that contain two genera: Ichnoviruses (IV) and Bracoviruses (BV). The ichnoviruses occur in ichneumonid wasps and bracoviruses in braconid wasps. The virus is composed of multiple segments of double-stranded superhelical DNA packaged in capsid proteins and a double layer or single layer envelope. The full genome of the virus is integrated into the genome of the wasps and the virus only replicates in specific cells in the female...

40_18e251273c83716513e79a1480e62c47
2005-09-12 10:19:57

The ants, one of the most successful groups of insects, are of particular interest because they form advanced colonies, and can constitute up to 15 percent of the total animal biomass of a tropical rainforest. They belong to the order Hymenoptera and are close relatives of the vespoid wasps. Ants appear in amber, found in central New Jersey, believed to be from the Cretaceous period. It is thought that they evolved from the wasps that had appeared during the Jurassic period. They are...

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Word of the Day
cacodemon
  • An evil spirit; a devil.
  • A nightmare.
  • In astrology, the twelfth house of a scheme or figure of the heavens: so called from its signifying dreadful things, such as secret enemies, great losses, imprisonment, etc.
'Cacodemon' comes from a Greek term meaning 'evil genius.'
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