Tag: "larvae" at biology news
Multi-species herbivore outbreak follows El Nio drought in Panama
...STRI post-doctoral fellow, Sunshine Van Bael. Moth larvae
devoured 250% more leaf material than usual even a...on the lookout for increases in butterfly and moth larvae
populations. However, lepidopteran numbers remained stable there. Whatever it was that caused the t...
Large-scale forces shape local ocean life, global study shows
...ge-scale influences include currents that disperse larvae
across hundreds of miles or the creation of new species caused by geological upheaval and biotic isolation millions of years ago. Global warming and pollution are other regional forces that can impact local diversity. "The work is a wake-up c...
Predicting infection risk of mosquito-borne disease
...bution of humans and suitable habitat for mosquito larvae
varies across the landscape. And the density of mosquito populations varies seasonally, rising and falling with changes in rainfall, temperature, and humidity. Temporal and spatial variations in mosquito populations affect the rate humans get bitten,...
...forced the native fish to feed primarily on insect larvae
that live on the stream bottom, which decreased adult insects emerging from the stream to the forest. In turn, this caused a 65% reduction in forest spiders that, like other forest-dwellers such as birds and bats, prey on insects emerging from the s...
Unusual reproductive behavior of odd ants surprises scientists
...eties, environment is thought to influence whether larvae
develop into queens or sterile female workers, said Steve Rissing, a professor of evolution, ecology and organismal biology at Ohio State University. But in a new study, Rissing and his colleagues found some genetically odd colonies of harvester ants...
Big, old fish key to restoring groundfish stocks
...rts in maintaining healthy marine fish stocks the larvae
from their eggs better resist starvation and have ...much larger oil globules in their yolk, giving the larvae
that develop from these eggs a chance to grow faster and survive starvation longer. Older fish also ...
NYU biologists find new function for pacemaker neurons
... that pacemaker neurons play in helping Drosophila larvae
avoid light. Drosophila is a species of fruit fly commonly used in biological research. Fruit fly larvae
foraging for food avoid light, presumably to keep away from predators. Unlike adult Drosophila, the ...
Marsh-dwelling mole gives new meaning to the term 'fast food'
...chieve a net energy "profit" with a diet of insect larvae
and other food sources. Of course, that doesn't mean it turns up its nose at larger prey, like long, luscious earthworms. The insight that the star-nosed mole has specialized in minimizing handling time for small prey helps clear up a number of the m...
Heroes of the sea, Pew Fellows' fifteenth class tackle sharks, reefs, mangroves and more
...marine life. By analyzing the movement of eggs and larvae
along coastal Chile, she hopes to promote more effective Marine Protected Areas. Ms. Sarah Fowler is the Director of Marine and Coastal Ecology for NatureBureau International, based in the United Kingdom. A shark specialist, she will use her Pew Fel...
Falling ants glide back to trunk to avoid dangers of forest floor
...he laboratory, he goes in search of mosquitoes and larvae
in the canopy where they live, mostly above privat... equipment, he ascends trees and collects mosquito larvae
from water-filled tree cavities and also collects adult females who've had a recent meal of blood h...
New findings lead researchers to question basic assumptions of fisheries management
...nger fish in maintaining productive fisheries. The larvae
produced by these "big, old, fat females" grow fas...hat remain after harvesting will produce plenty of larvae
to replenish the population. According to Berkeley, however, elimination of older generations drasti...
New science sheds light on rebuilding fisheries
...gs than younger, smaller females, but their hearty larvae
have a far greater chance of survival. Keeping th...l produce ten times that - nearly 2 million. These larvae
are released into harsh ocean conditions without parental care. For fish, spawning is like entering...
Researchers investigate 'whole farm' approach to reduce dairy pollution
...ones already in use by dairies; Using soldier fly larvae
to recycle manure (See http://agnews.tamu.edu/dailynews/stories/ENTO/Nov2904a.htm ); Correcting cropland that has already phosphorus sequestration limits through the use of year-around forage cropping; and Adjusting dairy feed mixtures so cows ex...
'Grubby' research promises environmental/economic benefits
...ooking into the possibility that black soldier fly larvae
"grubs" to the uninitiated could be used to turn...re without much encouragement. The eggs hatch into larvae
that eat the manure as if it's caviar, growing into fat little creatures that are 40 percent or more...
Symbiotic bacteria protect hunting wasps from fungal infestation
...lize these bacterial symbionts to protect the wasp larvae
against pathogenic fungi. Detrimental microorganis...r human medicine. Female beewolves provision their larvae
with paralyzed honeybees in brood cells in the soil. As part of this process, the researchers show, ...
From lobster flock to lobster feast?
... based on the serendipitous discovery that lobster larvae
are settling on open water fish cages in Puerto Ri...in various countries, has been the need to collect larvae
from the wild and the difficulty in doing so. The lobster larval growth cycle is extremely complica...
Researchers reveal the infectious impact of salmon farms on wild salmon
...ool becomes a moving cloud of contagions. Sea lice larvae
mature and reproduce on the seaward salmon with ea... producing 300-800 eggs. This second round of lice larvae
can re-infect the fish in the school and can spread to other previously unexposed populations coming...
Searching the depths of the straits of Florida for disease cures
...narrow ocean channel that funnels water as well as larvae
and plankton from throughout the Caribbean, in all likelihood making for a unique habitat that will yield numerous interesting and potentially lifesaving samples during submersible dives as deep as 3,000 feet. The team will also conduct daily scuba d...
For sardine and anchovy, El Nio events do not always have the same effects
...ble for sardine again, especially so in that their larvae
are dispersed towards nutrient-poor parts of the o...ction and staggering their egg-laying, so that the larvae
have more chances to find favourable conditions again. That is what happened for the egg-laying peri...
An (ecological) origin of species for tropical reef fish
...nstantly stir the waters, washing in fish or their larvae
from afar, a world without well-defined geographic...n't the case." Mitochondrial DNA of adult fish and larvae
from three locations in the Caribbean and from three locations in Brazil showed much clearer genetic...
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