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Pyemotes herfsi, also known as the oak leaf gall mite or itch mite, is an ectoparasitic mite identified in Europe and subsequently found in India, Asia, and the United States. The mite parasitizes a variety of insect hosts and bites humans, causing red, itchy, and painful wheals (welts). The mites are barely visible, measuring about 0.2–0.8 ...
Aceria mackiei, previously Eriophyes mackiei, the live oak erineum mite, is an abundant eriophyoid mite that produces leaf-blister galls on coast live oak, interior live oak, huckleberry oak, and canyon live oak. [1] This mite's ability to induce galls in oaks of both the black oak group and the intermediate oak group is unique. [1]
Oligonychus aceris (maple spider mite), a pest of maples [2] Oligonychus afrasiaticus (date palm spider mite), a major pest of the date palm in North Africa and the Middle East; [3] [4] also on grasses, including maize [1] Oligonychus araneum (grasswebbing mite) [5] Oligonychus bicolor (oak red mite), on oaks and other hardwood trees [6]
The microscopic mite Lorryia formosa (). The mites are not a defined taxon, but is used for two distinct groups of arachnids, the Acariformes and the Parasitiformes.The phylogeny of the Acari has been relatively little studied, but molecular information from ribosomal DNA is being extensively used to understand relationships between groups.
Hundreds of thousands of the tiny wind-soaring and itch-inducing critters can fall from trees every day and are packed with a venom that can paralyze prey 166,000 times their size.
More than 1400 species of cynipid wasps cause galls. Some 1000 of these are in the tribe Cynipini, their hosts mostly being oak trees and other members of the Fagaceae (the beech tree family). [37] These are often restricted taxonomically to a single host species or a group of related species. Cynipid wasp galls
In spring, the beetles were found on flowering Prunus padus and Crataegus monogyna and later, on oaks and Tilia × europaea [3] The insects feed on aphids on oaks, less frequently on other trees. [4] [5] S. auritus was also reported as a predator of mites occurring on the underside of oak leaves; it also feeds on Phylloxeridae [6]
Taphrina caerulescens infects about 50 different species of oak (Quercus), predominately red oak (Q. erythrobalanus) and some white oak (Q. leurobalanus).Oak leaf blister is found across the country and in varying parts of the world but is most severe in the southeast and Gulf States of the U.S. [6] It is generally accepted that a T. caerulescens strain isolated from one host cannot be used to ...