Sentences with phrase «called larvae»

When an infected mosquito bites a dog, it releases young heartworms, called larvae, which mature into bigger worms that lodge in the dog's heart and lungs.

Immature or juvenile heartworms, called larvae, enter the dog's body at the site of the mosquito bite.

The resulting young, called larvae, would develop while drifting in ocean currents.

Not exact matches

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.

Within two huge sacs (called hydatid cysts) that occupied two - thirds of his liver, Kazaryan harbored hundreds, if not thousands, of budding tapeworm larvae.

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

The mating call of certain Hawaiian male crickets attracts a fly that deposits parasitic larvae.

Agriprotein harvests the fly larvae and turns them into what it calls «Magmeal».

In the skin the larvae mate and form so - called new microfilaria, which then reach the dog's bloodstream.

Today, most commercial oysters in New England come from hatchery - reared larvae, or seed, raised in shallow tanks called upwellers.

They identified a total of 164 barnacle larvae under a dissection microscope, extracted DNA from the larvae, and used standard techniques to sequence mitochondrial COI genes, often called a barcode sequence.

In addition to the microbes tangled together in the granules, they've found that the watery oases also house other bacteria, algae, fungi, single - celled animals called protozoans, and even tiny invertebrate animals including insect larvae, worms and various tardigrades.

Researchers have known for several years that when fruit fly larvae metamorphose into adults, a gene called fringe produces a protein that tells certain cells to become the wing margin, the leading edge of a developing wing.

«The hatcheries call it «lazy larvae syndrome» because these tiny oysters just sink in the water and stop swimming,» Waldbusser says.

Survival of Dungeness crab larvae, called zoeae, declined at the lower pH levels expected with ocean acidification.

Some species skip the polyp stage, going straight from larvae, called planula, to medusa.

They found that the energy from the electrons changed the thin film on the larvae's skin, causing its molecules to link together — a process called polymerization.

They dunked mosquito larvae in a pool of water mixed with a chemical called Tween 20, which is useful because it's not toxic and is commonly found in detergents, cosmetics, and hard candy.

When the researchers treated the larvae of these species with a growth hormone called methoprene, the larvae developed into supersoldiers.

ROYAL MESS Queen bee larvae dine on something called royal jelly inside the cells where they grow.

If starvation occurs during a phase that precedes metamorphosis, called «critical weight», ecdysone synthesis is greatly delayed and larvae initiate metamorphosis much later than normal.

Only one caused the larvae to turn into queens: a protein Kamakura calls royalactin.

Each larva emerges with its own rod - shaped bacteria called Wigglesworthia, a bit on the chubby side themselves.

The culprit in Guinea worm disease is a roundworm parasite called Dracunculus medinensis, whose larvae dwell in microscopic water fleas.

In a 2017 study, they discovered two pheromones, called oleic acid and beta - ocimene, which are only released by dead bee larvae.

Female worms then produce large numbers of larvae called microfilariae that move to the skin to be ingested again by biting black flies.

Adult crane flies feed on nectar or not at all, while their larvae, called leatherjackets, consume roots (such as those of turf grass in backyard lawns) and other vegetation.

A larva that is destined to become a queen is fed large amounts of something called «royal jelly» that causes the growing queen to develop differently than the worker bees, which are fed «worker jelly.»

The larva uses the fungus as its food source, but as it feeds it causes the fungus to grow into several different forms, which the authors call morphotypes.

The adult wasp does not eat this solid food, rather, it receives a liquid containing the wasp extract peptide from the larvae in a symbiotic relationship called trophallaxis.

The jelly (which workers secrete from glands located in their heads) is rich in nutrients and contains a special growth - promoting protein called royalactin (which turns larvae into queens by speeding up growth and ovary development).

As a former queen begins to fail (i.e. ceases to lay eggs due to age or illness), workers will make special, larger queen cells in which nurse bees raise queen larvae, feeding them a special substance called royal jelly.

This is the only way microfilariae can begin to develop into adult heartworms... they must be picked up by a second mosquito to develop into larger, and more mature larvae, called L2 and L3.

In the environment, once the egg packets are released from the proglottids, a flea will ingest these egg packets and develop into the infective larvae stage call the cystercoids.

Hartz ® UltraGuard Plus ® Home Sprays contain effective ingredients to rapidly kill fleas, flea eggs, flea larvae and brown dog ticks on contact, plus prevent re-infestation for up to 7 months, so there's no need to call an exterminator.

Flea control products that affect flea eggs and larvae are called insect growth regulators (IGRs).

When mosquitoes feed off an infected mammal, they pick up baby heartworms called microfilaria which grow and develop into infectious larvae in the mosquito until the insect feeds again, this time on your pet.

So - called alternative methods to kill heartworms, such as Paratox, are no safer than conventional drugs, since they rely on the exact same action — they kill the larvae / worms in the bloodstream.

Another excellent product to control flea eggs and larvae in the environment is a boron based powder called Flea Busters.

The next stage is the opaque white larva which, when grown, spins a cocoon which we call a pupa.

Once in the dog's bloodstream, the larvae mature through several stages and eventually take up residence in the heart, from which they release offspring called microfilaria into the bloodstream of the dog.

(Immature adult worms have incorrectly been called L5 larvae.)

These prey animals that carry worm larvae are called paratenic or transport hosts.

Step Two: The egg containing what is called a second stage larva is picked up from the dirt by a dog or by some other animal, usually in the course of normal self - grooming.

Step Two: The Worm Enters the Cat The egg, containing what is called a second stage larva, is picked up orally by a cat or by some other animal.

The larvae form a cocoon like structure called a pupae.

Uncooked pork can contain a nasty parasite called trichinella spiralis larvae.

A lump under the skin, neck, armpit, back or rump can signify a condition called fly strike, which is caused by fly larvae or maggots invading the tissue under the skin.

Pregnancy hormones unfortunately serve as little wake - up calls to encysted hookworm larvae only this time, the little worms migrate to the unborn puppies and to the mammary gland.

Heartworm larvae can trigger a severe immune reaction called heartworm associated respiratory disease (HARD); this syndrome occurs in an estimated 50 % of heartworm infections in cats.