A scientist from the Lomonosov Moscow State University, Faculty of Biology, has, together with his Russian colleague, has explained the frequent occurrence of parthenogenesis development of insects from unfertilized egg cells. ...
Plants & Animals
Oct 27, 2017
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75
Chemical signaling among social insects, such as bees, ants and wasps, is more complex than previously thought, according to researchers at Penn State and Tel Aviv University, whose results refute the idea that a single group ...
Plants & Animals
Oct 21, 2015
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303
In the advanced online edition of Molecular Biology and Evolution, Claire Morandin et al. performed molecular evolutionary analyses on the egg yolk forming protein, Vitellogenin, and its many forms, amongst seven Formica ...
Plants & Animals
Jun 3, 2014
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0
Many people think of stink bugs as pests, especially as the brown marmorated stink bugs spreads throughout the U.S. However, certain stink bugs are beneficial, such as Podisus nigrispinus (Dallas), a predatory stink bug that ...
Ecology
Jan 5, 2014
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0
Bee colonies consist of a queen bee, lots of female worker bees and some male drones. The gene that determines the sex of the bees is much more complex than has been assumed up until now and has developed over the course ...
Plants & Animals
Oct 31, 2013
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0
Insects are so successful on the land because insect eggs are protected from desiccation. Thanks to an extraembryonic membrane in the egg, the serosa, insects could successfully switch from life in the water to life on land. ...
Plants & Animals
Jun 26, 2013
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0
(Phys.org)—From a single-cell egg to a fully functional body: as embryos develop and grow, they must form organs that are in proportion to the overall size of the embryo. The exact mechanism underlying this fundamental ...
Cell & Microbiology
Dec 20, 2012
3
0
A plant may start to prime its defenses as soon as it gets a whiff of a male fly searching for a mate, according to Penn State entomologists. Once tall goldenrod plants smell a sex attractant emitted by true fruit fly males, ...
Plants & Animals
Dec 17, 2012
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1
A fumigant called phosphine is more effective at controlling insects when it's combined with oxygen, according to findings by a U.S. Department of Agriculture (USDA) scientist. The oxygen-phosphine combination could be an ...
Ecology
Jul 12, 2012
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0
(Phys.org) -- Silk is a fascinating material, not just in fashion, but also in science and engineering, because the outstanding mechanical properties of these whisper-thin threads made by insects easily overshadow most man-made ...
Materials Science
Jun 5, 2012
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