What is an Oligophagous animal?
oligophagous Applied to an organism that feeds on a few types of plants or prey. compare MONOPHAGOUS; POLYPHAGOUS.
What is Oligophagous pest?
ol·i·goph·a·gous. (ŏl′ĭ-gŏf′ə-gəs, ō′lĭ-) adj. Feeding on a limited number of foods, usually within one taxonomic family: an oligophagous pest of leguminous plants.
How do herbivorous insects eat?
Animals that feed on plant tissues or plant products are often called herbivores. This term applies not only to insects that injure a plant by chewing leaves or sucking sap but also to more benign species who only collect pollen, nectar, or plant resins.
Do alkaloids attract pollinators?
Nectar alkaloids decrease pollination and female reproduction in a native plant.
What is Antixenosis?
Host-Plant Resistance in Pest Management The second category, ‘antixenosis’ (originally ‘non-preference’ in Painter, but later renamed by Kogan and Ortman in 1978), denotes plant traits affecting herbivore behaviour in ways that reduce the preference for, or acceptance of, a plant as a host by a herbivore.
What is Monophagus?
Definition of monophagous : feeding on or utilizing a single kind of food especially : feeding on a single kind of plant or animal.
What is Phytophagous insect?
Phytophagous insects are generally considered to be those that feed on green plants. They include species that attack roots, stems, leaves, flowers, and fruits, either as larvae or as adults or in both stages. Polyphagous species are those that use plants in several to many plant families.
Are ladybugs herbivores?
Though most ladybugs eat other insects, a few species are actually herbivorous, which means that they’ll snack on leaves and can themselves be considered pests. These are less common than their beneficial brethren, however, and are generally of no concern to most gardeners.
Are Squirrels herbivores?
Squirrels are omnivores, which means they like to eat plants and meat. Squirrels mainly eat fungi, seeds, nuts and fruits, but they will also munch on eggs, small insects, caterpillars, small animals and even young snakes.
What are secondary metabolites examples?
Toxins, gibberellins, alkaloids, antibiotics, and biopolymers are examples of secondary metabolites.
Do secondary metabolites attract pollinators?
Plants produce a diversity of secondary metabolites (PSMs) that serve as defense compounds against herbivores and microorganisms. In addition, some PSMs attract animals for pollination and seed dispersal.
What is Trichogramma Chilonis?
Trichogramma chilonis Ishii is being used to control the diamondback moth, Plutella xylostella (Linnaeus), on cole crops in Japan (Miura & Kobayashi, 1993) and in Germany (Wuehrer & Hassan, 1993).
What is the meaning of oligophagous?
Feeding on a limited number of foods, usually within one taxonomic family: an oligophagous pest of leguminous plants. ol′i·goph′a·gy (-jē) n. American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
Are all marine herbivores oligophagous?
References in periodicals archive? Most marine herbivores are generalists (Hay et al., 1990), but most sacoglossan species are oligophagous, feeding on a few species of closely related algae (Jensen, 1980; Klotchkova et al., 2010; Christa et al., 2014; Krug et al., 2016). Its larvae are oligophagous on most species of Opuntia Mill.
Are Opuntia mill larvae oligophagous?
Its larvae are oligophagous on most species of Opuntia Mill. For example, oligophagous and monophagous species are more efficient when making decision for host selection than polyphagous species (Bernays 2001). Acquisition of a native host-plant by an introduced oligophagous herbivore.