Sentences with phrase «one's host plant»

One study concluded that «reducing the negative effects of host plant loss on the breeding grounds is the top conservation priority to slow or halt future population declines of monarch butterflies in North America.»
Milkweeds are the essential host plant for monarch caterpillars.
Dissertation: The influence of intraspecific variation in host plants on arthropod and fungal endophyte communities — Joshua G. Harrison — University of Nevada
Hasegawa explains, «We theorize that the red morphs are able to provide a benefit that the green morphs can't, such as suppressing the development of lower buds on host plants.
In Tennessee, agricultural inspectors have fanned out to take samples from host plants at two dozen garden centers on the list.
The results help researchers understand how plants and fungi developed symbiotic relationships, and how the mutualistic association provides host plants with beneficial traits for environmental adaptation.
In other words, a parasite can spread less effectively as it is unable to find its special host plant as easily in a biodiverse plant world.
Insect extinction across the Cretaceous - Paleocene boundary may have been directly caused by catastrophic conditions after the asteroid impact and by the disappearance of host plant species.
«Now we know that all the wasps of the genus Acanthocaudus are specialists on different species of aphids on different host plants,» Johnson said.
Tests of related wild species have identified a limited number of potential donors which may provide useful genetic material to improve host plant resistance to sheath blight.
Host plants utilized by Gypsy Moths affect survival and development of the parasitoid Cotesia melanoscela.
According to the letter, Headline was relabeled to say its «benefits may include improved host plant tolerance to yield - robbing environmental stresses, such as drought, heat, cold temperatures, and ozone damage» as well as bacterial and viral infections.
But Capovilla speculates that a battery - like back - up might help them in times of environmental stress, such as when they are migrating to a new host plant.
Butterflies lay their eggs on particular host plants; if those plants bloom and then die early, the butterfly larvae don't survive.
These Asteromyia gall midges are adaptively radiating into multiple genetically distinct lineages on the same host plant that vary in their gall forms, and it is the ecological selective drivers of this «adaptive radiation» that Heath et al. seek to uncover.
When I looked it up, this butterfly looks to be the same species, still endangered and only found in the Willamette Valley, at sites that include its preferred host plant, the (also) threatened Kincaid's lupine.
Wasps were collected from a number of different fly host plant environments in the wild.
Use of herbicides also eliminates larval and pollinator host plants, transforming the base of food chains.
The double - toothed prominent (Nerice bidentata) caterpillar is seen here feeding on its sole host plant, the elm — and reflecting the leaf it's nibbling on.
Additionally, female moths also find the best host plants for their offspring via olfactory cues.
The offspring of Manduca sexta, however, survive on only a few host plant species, such as tobacco.
A better understanding of the role of lipid biosynthesis in this type of symbiosis could therefore help to select host plants that can make optimal use of their relationship with their fungal partners, which can be a benefit to sustainable agriculture.
According to the Shellac & Forest Products Export Promotion Council: «Lac cultivation is done by putting sticks of lac encrustations (broodlac) which contain mature female (gravid) insects, which are about to give birth to young larvae, on suitably prepared specific host plants.
Understanding how plant - parasitic nematodes modulate host plants to their own benefit is a crucial step in helping to create pest - resistant plants.
Another nursery in San Diego County has also been confirmed positive and 11 more are likely infected as well, says Claude Knighten, a spokesperson for USDA, which has compiled a list of where Monrovia shipped host plants in the last 12 months.
Fitzpatrick's research explores the commonalities and differences among the root microbiomes of the various host plant species, dividing the microbiomes into the endosphere (microbes living inside roots) and rhizosphere (microbes living in the soil surrounding roots).
For decades, ecology students have learned about this impressive array of beetle - plant pairings, in which different rolled - leaf species adopt the same lifestyle but on their own distinct host plant.
Delaying planting until late September — after the mites have migrated from summer host plants — can dramatically decrease the risk of infection.
We show, in contrast to this scenario, that host plant N enrichment and high - protein artificial diets decreased the size and viability of Oedaleus asiaticus, a dominant locust of north Asian grasslands.
«Dodder: A parasite involved in the plant alarm system: Host plants communicate warning signals through a parasite network, when insects attack.»
In addition, as plants spread into unpredictable environments such as arid deserts they grew less dependent on the symbiotic fungi — or mycorrhiza — that colonize roots and help host plants obtain the essential plant nutrients nitrogen and phosphorus.
In the current study, they used Spodoptera litura, a chewing caterpillar, to induce host plants connected by a dodder network.
After finalizing the preliminary investigations, target bacteria have come into interaction with their prospective host plants.
MSV is transmitted amongst maize and other weed host plants by small insects called leafhoppers.
Lepidoptera: Prodoxidae) mirror patterns of gene flow between host plant varieties of Joshua tree (Yucca brevifolia: Agavaceae).
At one of those places, Milagra Ridge in San Mateo County, Billie (named after blues singer Billie Holiday) was translocated to a hillside site where, according to Merkle, healthy host plants are concentrated.
Lupine (named for the unassuming host plant of the endangered Mission blue butterfly) is a first - year Red - tailed Hawk trapped, tagged, and outfitted with a transmitter on September 7, 2014, in the Marin Headlands.
Found in only a handful of locations within the Bay Area, the butterfly depends on its Lupin host plant during every stage of its life cycle.
Milkweed is the one and only host plant for monarch caterpillars and a rapid loss of habitat and milkweed has led to a precipitous drop in monarch populations.
Monarch butterfly numbers have declined by 90 % over the last two decades, and the loss of milkweed — the necessary host plant for monarch caterpillars — is one of the key factors responsible for the decline.
The specialized enclosure protects the butterflies from some predators, increases mating opportunities, and serves as a study environment to better understand the criteria female butterflies are looking for in their ideal host plant.
The main host plant is the hop, Humulus lupulus, but the nematode can also survive in the roots of the stinging nettle, Urtica dioica.
Host plant resistance: Natural defenses plants evolved to reduce the impact of herbivores.
Because a habitat may contain related moth species that use the same flowers as nectar sources but different host plants to lay their eggs, the researchers would like to investigate whether odors that provide olfactory cues to identify the best oviposition sites activate similar areas in the antennal lobe of these moths, or whether the functional atlas of the brain is different in each species.
Climate change, it seems, has forced moths in northern Iran to find a new host plant, posing some problems for its newly acquired target, according to recent research.
Nosil and his colleagues sequenced the genomes of dozens of individuals of each ecotype from multiple hillsides to assess the genetic differences that arose to make them specialized for their particular host plant.
Mission blue butterflies live in open grassland areas, and lupines are their preferred host plant.
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