• larvae
  • This translated to higher numbers of predatory larvae on M. periscae -infested plants in two out of our three experiments, and more consistent control of this pest (78%-95% control across all stages of plant growth). (mdpi.com)
  • In a series of pulse-labeled radiotracer experiments, 24Na tracer fed to 4th instar larvae was not retained in the insect and reached nearly undetectable levels 6 h post ingestion. (usda.gov)
  • citation needed] Although the adults feed on nectar, pollen and aphid honeydew, the larvae are active predators and feed on aphids and other small insects. (wikipedia.org)
  • Play media Chrysoperla carnea adults eat pollen and honeydew and are not predatory, but the larvae have been recorded as feeding on seventy different prey species in five insect orders. (wikipedia.org)
  • Although the larvae are effective as biological control agents, in open air environments the adult lacewings tend to disperse widely. (wikipedia.org)
  • species
  • When a non-toxic control method is used, natural enemies are more likely to survive and reduce the numbers and damage of potential pest species. (umaine.edu)
  • Insect and related predators are more often used in biological control because they feed on a smaller range of prey species. (umaine.edu)
  • Thus, accurate identification of the host and parasitoid species is very important if you use parasitoids for biological control. (umaine.edu)
  • Thus, we hypothesized that biological control efficacy could be compromised when more than one aphid species is present. (mdpi.com)
  • We further hypothesized that control outcomes may be different at different crop stages if aphid species shift their preferred feeding locations. (mdpi.com)
  • Differences between individuals and species in these immune parameters can reflect differences in infection risk, life expectancy, and biological function. (usda.gov)
  • Suitably qualified entomologists are likely to be able to determine the identity of contaminant species, even when no insects are found and the only evidence of infestation is the resulting damage. (wikipedia.org)
  • Generalist predators can be very useful for biological control in tomato crops in enclosed environments, but the introduction of non-indigenous species is risky because of the unknown ecological effects they may have if they escape into the wider environment. (wikipedia.org)
  • The Hemiptera /hɛˈmɪptərə/ or true bugs are an order of insects comprising some 50,000 to 80,000 species of groups such as the cicadas, aphids, planthoppers, leafhoppers, and shield bugs. (wikipedia.org)
  • In order to ambush prey, some Steinernema species nictate, or raise their bodies off the soil surface so they are better poised to attach to passing insects, which are much larger in size (Campbell and Gaugler 1993). (wikipedia.org)
  • This flea beetle genus is important because of the usefulness of some species in controlling leafy spurge, a major invasive weed in parts of western North America. (wikipedia.org)
  • Eugene G. Munroe (8 September 1919 - 31 May 2008) was a Canadian entomologist who discovered numerous species of insects. (wikipedia.org)
  • larval
  • While Fe radiotracer levels among larval tissues changed, the overall whole insect tracer levels did not decline from 6 - 60 h post ingestion. (usda.gov)
  • This is the first study of tissue Fe levels during viral infection of an insect, and clearly demonstrates that larval Fe homeostasis is substantially disrupted by baculoviral infection. (usda.gov)
  • parasites
  • The evolution within the Clavicipitaceae is marked by interkingdom host jumping, and the range of this large and heterogeneous fungal group spans mutualistic plant symbionts, as well as parasites of plants, insects, and other fungi. (wikipedia.org)
  • Hemiptera
  • Other insect orders with mouthparts modified into anything like the rostrum and stylets of the Hemiptera include some Phthiraptera, but for other reasons they generally are easy to recognize as non-hemipteran. (wikipedia.org)
  • enzyme
  • In this paper we report on identification of a novel insect enzyme responsible for stimulating insect defenses to infection. (usda.gov)
  • Invasions
  • Guest Editors: Andrew Liebhold, Eckehard Brockerhoff and Martin Nuñez / Special issue on Biological Invasions in Forests prepared by a task force of the International Union of Forest Research Organizations (IUFRO). (springer.com)
  • infection
  • This finding will impact scientists working on how an insect resists infection because it begins to explain, along with other studies in the field, why some infections are fatal while others are not and how baculoviruses can be made more useful as a control measure in the field. (usda.gov)
  • A significant difference was found in the bound/free ratio of 59Fe (large protein bound Fe: small protein bound and/or free Fe) between control and baculovirus infected hemolymph at 60 h post-infection indicating that Fe released from damaged cells is taken into hemolymph not as free Fe. (usda.gov)
  • These components of overall insect innate immunity are present at any post-embryonic life stage without previous infection. (usda.gov)
  • population dynamics
  • After graduation, he headed to the University of Oxford to study insect population dynamics at the Bureau of Animal Population under Charles Sutherland Elton. (wikipedia.org)
  • birds
  • Farms work in partnership with birds, enjoying increased pollination and pest control. (tilth.org)
  • In 1991, an article published on organic agriculture's relationship with birds in the Journal of Pesticide Reform, cited how farms can be "rewarded by birds participation in the 'pest management' program[s]" and "provide insect control and eliminate the need for insecticide applications" in their role as on-farm pest managers. (tilth.org)
  • The calculated value of birds' pest-control actions for coffee farmers is as much as $125 per acre, or about one-eighth of the total crop value of $1,044 per acre. (tilth.org)
  • The boxes attracted insect-eating birds, which in turn consumed 2.4 times more insects than in control plots with sentinel prey but no boxes. (tilth.org)
  • Two hundred birds were imported from Trinidad in an attempt to control the number of lizards, especially the tree lizard (Anolis grahami) which had itself been introduced. (wikipedia.org)
  • mutualistic
  • After entering an insect, infective juveniles release an associated mutualistic bacterium from their gut which multiplies rapidly. (wikipedia.org)
  • density
  • Under certain conditions, diseases can multiply and spread naturally through an insect population, particularly when the density of the insects is high. (umaine.edu)
  • genus
  • The high nectar yield of the genus makes it very attractive to insects such as butterflies - including the endangered Karner blue (Lycaeides melissa samuelis) which visits introduced spotted knapweed - and day-flying moths - typically Zygaenidae, such as Zygaena loti or the six-spot burnet (Z. filipendulae). (wikipedia.org)
  • beetles
  • Important insect predators include lady beetles, ground beetles, rove beetles, flower bugs and other predatory true bugs, lacewings and hover flies. (umaine.edu)
  • The extensive work conducted on ladybird beetles provides a good basis for examining insect predator-prey dynamics, and this eloquent book is an excellent synopsis of the research. (barnesandnoble.com)
  • The five major categories of insects considered in this article are flour beetles, the drugstore beetle, the sawtoothed grain beetle, the Indian meal moth and fruit flies. (wikipedia.org)
  • agricultural
  • The ensuing improved biological control methods will benefit a wide range of agricultural producers by supporting the long-term sustainability of agriculture. (usda.gov)
  • Because of its voracious appetite, the cane toad has been introduced to many regions of the Pacific and the Caribbean islands as a method of agricultural pest control. (wikipedia.org)
  • Natural
  • Our study illustrates that suitability of a natural enemy for pest control may change over a crop cycle as the position of prey on the plant changes, and that prey preference based on within-plant prey location can negatively influence biological control programs in systems with pest complexes. (mdpi.com)
  • Preservation of habitat for beneficial wildlife in the form of hedgerows and grasslands support natural pest controls. (tilth.org)
  • small
  • It is almost omnivorous, and hunts like a shrike or flycatcher, waiting on an open perch high in a tree to sally out to catch insects in flight, or to pounce upon rodents and similar small vertebrates. (wikipedia.org)
  • They are small insects, reaching a length of about 1/8 of an inch. (wikipedia.org)