Sentences with phrase «by larvae»

Recently, we've seen how designers have been creating new kinds of biologically inspired products, from jewelry built by larvae, to countertop incubators that cultivate insects for human consumption, to dead beetle bioplastic.

Although a reef's recovery sometime requires re-colonization by larvae from other reefs, a process known as re-sheeting or Phoenix effect can facilitate a reef's speedy recovery.

Skin irritation and itching, especially of the paws, caused by larvae burrowing into and along the skin, can be signs of a heavily infested environment.

Transmission occurs either through skin penetration by larvae or by eating an infected rodent or cockroach.

In a human a hookworm leaves red spots on the skin that are in a trail (caused by the larvae).

Consuming larvae passed through an infected queen's milk - Kittens can contract the worms from their mothers and become infected by larvae that are passed through infected milk.

Adult cats can become infected by the larvae that penetrate their skin or if they become ingested.

Puppies may become infected by larvae through the placenta during pregnancy or the milk during nursing.

Hookworm infections are caused either by penetration of the skin by the larvae or ingestion.

Infection of the host is by the larvae, not the eggs, and the usual method of infection is through the skin.

Also, antibodies induced by larvae can persist after macrolide prophylaxis has been instituted and has killed the preadults.

Heartworm is carried by larvae - infected mosquitoes, that then transmit it to your pet through their bite, directly into your dog's bloodstream and to its heart where the worms will hatch and begin to grow.

By exposing larvae to a wide range of seawater acidity, the physiological tolerance threshold for normal shell development was identified and corresponded to pHT (pH on the total scale) ~ 7.8 which approximates the lower extremes of the local pH range naturally experienced by the larvae.

This study suggests that the mutualistic relationship between lycaenid butterfly larvae and ants is maintained through the selfish manipulation of behavior by the larvae.

We also fed the predators in these compartments with larvae so that they produced chemical signals indicative of predation which could be detected by the larvae in the experiment,» Orizaola explains.

The aim of his study was to examine whether the period of co-existence with the red swamp crayfish could influence in the type of defensive response developed by the larvae of the common frog (Pelophylax perezi).

We, therefore, concluded that ergosterol was in fact being used by the larvae to produce molting hormone, which reinforces the dependency between these bees and the fungus.»

A new business model, however, is now emerging for digital art that could alter this perspective.CryptoPunks by Larva Labs is one known example.

Not exact matches

Each wasp will zero in on a target by feeling out the vibrations the beetle larva causes as it roots through the tree.

And Great Barrier Reef researchers recently announced that they'd successfully repopulated parts of the reef by collecting coral eggs and sperm, growing coral larvae, and replanting those larvae in protected sites on the reef.

The chemical works by interfering with the hormones that help insect larvae hatch, which doesn't happen in humans.

Ideally when wild larvae are used, it is by a passive capture system, such as where coastal lagoons are opened for entry of larvae during the spawning season and closed for the remainder of the production cycle.

Here, like the bee larvae served up - country by Mrs. Takei, you'd never know it.

Learn about the ladybug's life cycle by watching them grow from larvae to full grown bugs with a Ladybug Land.

A big blob of royal jelly, abundantly resupplied by worker bees, surrounds the larva at the ceiling.

The uninfected larvae acquire Borrelia only after taking a blood meal from infected white - footed mice previously bitten by other infected ticks.

By contrast, recent studies in tropical fish have shown that fish larvae experience quite large effects from increased CO2, he said.

According to Chris Mullin, professor of entomology, Penn State, these pesticides may directly poison honeybee larvae or they may indirectly kill them by disrupting the beneficial fungi that are essential for nurse bees to process pollen into beebread.

The pair found that workers preferentially reared their own larvae as queens, by giving them extra food (Molecular Ecology, in press).

When the eggs hatch, the paralyzed spider is eaten alive by wasp larvae.

The researchers also investigated the effects of NMP on honeybee larvae by adding seven concentrations of the chemical to a pollen - derived, royal jelly diet.

Only humans are infected by guinea worm, and the larvae die within months if no one swallows the water fleas carrying them.

According to an article by Brazilian researchers published in 2015 in the journal Current Biology, the newborn larvae of Scaptotrigona depilis, a species of stingless bee native to Brazil, feed on filaments of a fungus cultivated in the brood cells.

In the study, which included a series of laboratory experiments, field surveys and mathematical modeling, the presence of various species of dragonfly larvae reduced the infections in frogs caused by parasitic flatworms called trematodes, said Val Beasley, professor and head of the department of veterinary and biomedical sciences, Penn State, who worked with Rohr and whose research group collaborated with Lucinda Johnson, senior research associate and director of the Center for Water and the Environment, University of Minnesota Duluth, to complete the field study.

The researchers, led by Lior Appelbaum and Philippe Mourrain of Stanford University, tagged the larvae neurons with a dye so that active neuron connections, or synapses, appeared green, whereas inactive ones appeared black.

Hornworm moth larvae respond aggressively when pecked by vertebrate predators such as birds, but it wasn't clear whether they reacted toward invertebrate predators in a similar fashion — and whether invertebrates, too, could have played a role in the evolution of caterpillar defenses.

Roots of engineered plants with less TA - G were considerably more attacked by cockchafer larvae.

A group of researchers recently tried to settle this debate by studying the larvae of a common see - through aquarium pet, the zebrafish.

The researchers conducted a laboratory experiment in which they exposed the larvae of these three species to various kinds of heat waves, which varied in duration and intensity, by increasing the temperature of the water where they were growing.

The scientists tested first whether latex compounds produced by dandelion roots were negatively associated with the development of cockchafer larvae.

The cattle eyeworm is spread from cow to cow by flies that suck on cow tears and pick up worm larvae in the process.

«We already knew that chemical substances emitted by the backswimmer — a natural enemy of mosquito larvae in the water — trigger a stress response in mosquitoes.

The archaeologist smiled just as broadly, if perhaps a bit more mischievously, when pointing out his two secret weapons to keep the timbers still in the tanks from being damaged by bacteria, fungi or insect larvae.

It is, however, clear that cocaine is taken up rapidly and continuously by zebrafish larvae, which at this early stage have not yet a fully developed blood - brain barrier.

By applying it artificially, the researchers not only pushed the larvae past the threshold at which they would normally become regular soldiers, but past a second threshold, one that is normally hidden, creating supersoldiers.

Meet the supersoldiers The species collected in New York, Pheidole morrisi, normally has two types of worker ants, according to Abouheif: minor workers, which are responsible for foraging, nursing, feeding eggs and larvae, and taking care of the queen; and soldier ants, which defend the nest and use their big mandibles to crack seeds harvested by the minor workers.

Since the plant responds to injury by surrounding the wound with protective cells that also happen to be highly nutritious, the larvae trick their host into providing them with a choice meal.

Adult ants in the colony can manipulate these switches by, for instance, applying certain hormones called pheromones to the larvae.

The infectious larvae of the parasite are transferred to dogs by a mosquito bite.

After being fertilized by the dwarf, the female bears a motile larva and immediately expires; the male, which has no digestive system, dies a little later.