Mating and Breeding News
November 26, 2015

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More Mating and Breeding News
November 26, 2015

Nov. 12, 2015 — Most animals reproduce by laying eggs. As the embryo develops, its feeds on the egg yolk. No egg yolk, no offspring, then? Not always. Biologists have discovered an exception to the rule: the eggs of ... read more

Nov. 9, 2015 — Accustomed to parasitising the eggs of spiders, a worldwide genus of wasps is represented by as few as 24 known representatives from India. Biologists have discovered five new species of them. ... read more

The Astounding Genome of the Dinoflagellate

Nov. 5, 2015 — Dinoflagellates live free-floating in the ocean or symbiotically with corals, serving up -- or as -- lunch to a host of mollusks, tiny fish and coral species. But when conditions are wrong, ... read more

Scientists Transfer Genes from Poppy to a Different Species to Prevent Self-Pollination

Nov. 5, 2015 — Scientists have created a plant that rejects its own pollen or pollen of close relatives, according to new research. Self-pollination or 'selfing' can be bad for a plant resulting in ... read more

Nov. 5, 2015 — Wing color patterns of butterflies perform different signalling functions, from avoiding bird predators to attracting potential mates. Such conflicting natural and sexual selection pressures may ... read more

Nov. 3, 2015 — Asian citrus psyllids are loathed by orange farmers because they spread a pernicious foe: the bacteria Candidatus Liberibacter asiaticus, which cause citrus greening, which turns the trees' ... read more

Nov. 3, 2015 — A key concept in Darwin's theory of evolution which suggests nature favors larger females that can produce greater numbers of off-spring must be redefined according to scientists behind ... read more

Nov. 3, 2015 — Pesticides in oil-based formulations are better than water-based formulations at penetrating the silk fibers of brown widow spider egg sacs, report ... read more

Nov. 3, 2015 — Like an artist using the paint on a palette, one researcher is mixing pollen to create a flowering masterpiece in the form of tropically colored winter-hardy hibiscus. Three years after the breeding ... read more

Nov. 2, 2015 — A new study explores how a young cowbird, left as an egg in the nest of a different species, grows up to know it's a cowbird and not a warbler, thrush or ... read more

Body Odor Sets Female Rhesus Monkeys Apart

Nov. 2, 2015 — Rhesus monkeys make use of their sense of smell to distinguish between members of their own and other social groups, according to new research. The results revealed that monkeys of both sexes ... read more

Cray-Active Solution for Cancer Research

Nov. 2, 2015 — A new species has been discovered that is helping scientists understand epigenetics: all individuals of the marbled crayfish examined so far have been female. They reproduce by parthenogenesis, the ... read more

Oct. 29, 2015 — Among social insects, why does it pay for workers to help the queen in some situations but then also pay to kill her in others? What explains why some queens get killed and not others, and why kill ... read more

Oct. 29, 2015 — Recent evolutionary changes for the fruit fly known as the 'apple maggot' is having a domino effect on three predatory wasp species, researchers have ... read more

Birds Require Multiple Sperm to Penetrate Eggs to Ensure Normal Embryo Development

Oct. 27, 2015 — Unlike humans, birds require multiple sperm to penetrate an egg to enable their chicks to develop ... read more

Female Insects More Promiscuous in Colder Climates, Says Study

Oct. 26, 2015 — Females have more sexual partners when they live in colder climates and are happier being monogamous when it is hotter, a study into the behavior of insects has found. Researchers also found that ... read more

Oct. 26, 2015 — Can animals recognize distantly related, unfamiliar individuals of the same species? Siberian jays possess this ability as evolutionary biologists recently could demonstrate for the first time. This ... read more

Male Mosquitoes Lured to Traps by Sounds of Female Wing-Beats

Oct. 26, 2015 — Male mosquitoes have been found to zero in on inexpensive traps that broadcast sound that is similar in frequency to the sound that is produced by the wing-beats of female mosquitoes -- a discovery ... read more

Oct. 23, 2015 — Ant queens stay close to home in their hunt for a mate and as a result produce thousands of inbred offspring, a study has found. A queen mates only once, can live up to 30 years, and will continue ... read more

Oct. 22, 2015 — The concept that biodiversity feeds upon itself is not uncommon in the world of evolution. The problem is a lack of hard data that shows this process to be naturally occurring. However, recent ... read more

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