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Eriophyoid-mite

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Acalitus
Acalitus is a genus of microscopic eriophyoid mites in the family Eriophyidae. Species within this genus are cosmopolitan plant parasites that induce gall formation on various host plants. Several species are significant agricultural pests, including Acalitus essigi and Acalitus vaccinii, which affect berry crops, and Acalitus phloeocoptes, which damages stone fruit trees. The genus exhibits narrow host specificity, with individual species typically restricted to particular plant genera or families.
eriophyoid-mite gall-mite agricultural-pest plant-parasite Rubus-pest blueberry-pest stone-fruit-pest
Acalitus phloeocoptes
Apricot bud gall mite, Plum bud gall mite, Almond and plum bud gall mite
Acalitus phloeocoptes is a destructive eriophyoid mite pest that causes bud gall formation on Prunus species, particularly apricot (Prunus armeniaca). The mite manipulates host plant hormones to induce gall development: cytokinin (zeatin) and auxin (IAA) drive rapid bud proliferation, abscisic acid (ABA) controls gall maturity, and reduced gibberellic acid (GA3) triggers lignification. Infestation results in delayed flowering, deformed foliage, poor fruit quality, stunted growth, and potential tree death. The species has four generations annually in studied populations, with overwintering occurring as adult females in galls, bark crevices, branches, and soil up to 3 cm deep.
eriophyoid-mite gall-mite agricultural-pest apricot-pest Prunus-pest phytohormone-manipulation degree-day-model
Aculops cannabicola
hemp russet mite, HRM
Aculops cannabicola, the hemp russet mite, is a highly specialized eriophyoid mite and among the most serious pests of Cannabis sativa. First described from Hungary in 1960, it has since been detected across multiple continents including North America, Central Asia, and Europe, with its first Italian record in 2021. The mite causes distinctive rust-colored damage to leaves, curling of leaf edges, and russeting, and can reduce flower and seed production by 50-90%. It feeds on all plant parts including leaves, petioles, inflorescences of both sexes, and glandular trichomes, drastically reducing resin production. Control is notoriously difficult; the mite persists year-round in dry, warm habitats and complete eradication typically requires destroying all plants and sterilizing surfaces.
eriophyoid-mite hemp-pest cannabis-pest greenhouse-pest specialist-herbivore vagrant-mite economic-pest invasive-pest
Flexamia huroni
Huron River Leafhopper
Flexamia huroni is a leafhopper species in the family Cicadellidae, described by Bess & Hamilton in 1999. It belongs to the genus Flexamia, a group of leafhoppers known for their specialized host plant associations with grasses. The species is named after the Huron River in Michigan, where it was first collected. Like other members of the genus, it likely exhibits strong ecological dependence on specific grass host plants.
leafhopper cicadellidae deltocephalinae paralimnini flexamia grass-specialist michigan-endemic auchenorrhyncha hemiptera insecta arthropoda animalia true-bug planthopper-relative 1999-description bess hamilton huroni huron-river usa north-america grassland-insect host-specific poorly-known rare uncommon data-deficient gbif catalogue-of-life ncbi inaturalist taxon species accepted hexapoda cicadomorpha clypeata membracoidea paralimnina flexamia-huroni bess-&-hamilton 1999 exact-match accepted-name canonical-name scientific-name authorship rank status matched taxonomy classification eukaryota metazoa distribution michigan observations 0 wikipedia none preferred-common-name huron-river-leafhopper true-bugs group kingdom phylum class order family genus authority ipt integrated-publishing-toolkit biodiversity-data-journal zookeys nature-conservation comparative-cytogenetics open-access open-access journal publication dataset specimen type nomenclatural-type herbarium university-of-granada spain fungi lichens agaricales cortinarius antonio-ortega mediterranean france italy image-collection colección-de-imágenes-de-los-tipos-nomenclaturales-de-hongos líquenes musgos-y-algas gda gdac vizoso quesada 2015 doi 10.3897 bdj 3 e5204 new-species new-jersey-pine-barrens muhlenbergia-torreyana pinebarren-smokegrass threatened-species andrew-hicks museum-of-natural-history university-of-colorado gerry-moore natural-resources-conservation-service greensboro nc uli-lorimer brooklyn-botanic-garden f.-whitcombi robert-whitcomb microbiology ornithology ecology host-plant warming-climate human-activities zookeys-511 69-79 zookeys.511.9572 roundworm nematode antarctic amblydorylaimus-isokaryoni pararhyssocolpus-paradoxus bulgaria scanning-electron-microscopy sem maritime-antarctic antarctic-islands lip-region spear vulva postembryonic-development molecular-analyses dorylaimida elshishka lazarova radoslavov hristov peneva 25-68 zookeys.511.9793 anidiv2 bulgarian-academy-of-sciences national-scientific-fund octocoral okinawa japan nanipora-kamurai living-fossil blue-coral heliopora aragonite-calcium-carbonate skeleton scleractinians soft-coral heliporacea lithotelestidae epiphaxum deep-sea shallow-coral-reef zamami-island national-park miyazaki reimer 1-23 zookeys.511.9432 non-biting-midge chironomus ch.-bernensis north-caucasus russia caucasian-populations europe siberia karyotype morphology mouthparts larvae chromosome genotypic-combinations mineralization eutrophication karmokov polukonova sinichkina tembotov-institute-of-ecology-of-mountain-territories saratov-state-medical-university comparative-cytogenetics-9 281-297 compcytogen.v9i3.4519 sea-turtle rescue-centre first-aid-station loggerhead green-turtle caretta-caretta chelonia-mydas bycatch mortality greece migration sexual-maturity ullmann stachowitsch uit-the-arctic-university-of-norway nature-conservation-10 45-69 natureconservation.10.4890 regional-activity-centre-for-specially-protected-areas porcupine coendou-ichillus lower-urubamba peru canopy-bridge pipeline natural-gas arboreal camera-trap dwarf-porcupine iquitos 770g gregory lunde zamora-meza carrasco-rueda repsol-exploración-perú zookeys-509 109-121 zookeys.509.9821 ant prionopelta madagascar seychelles subterranean leaf-litter dracula-ant hemolymph larval-hemolymph-feeding oophagy madagascar-biodiversity-center overson fisher zookeys-507 115-150 zookeys.507.9303 ito billen masuko spider anelosimus subsocial cobweb-spider theridiidae deforestation biodiversity-hotspot agnarsson university-of-vermont smithsonian-national-museum-of-natural-history wallace huxley buffon hooker lamarck darwin moramora eriophyoid-mite acari xinjiang china rosaceae paracolomerus gall ji-wei-li wang xue zhang zookeys-508 97-111 zookeys.508.8940 shihezi-university grasshopper wyoming melanoplus melanoplinae acrididae tetrigidae gomphocerniae oedipodinae cyrtacanthacridinae distribution-atlas field-guide wgis wyoming-grasshopper-information-system key capinera sechrist hebard helfer scudder blatchley thomas say harris degeer bruner saussure girard dodge walker fieber fabricius serville mcneill tinkham burmeister haldeman big-horn-mountains black-hills gladston indigens infantilis dodgei oregonensis marshalli yellowstone-national-park sagebrush pine elevation shortgrass-prairie mixedgrass-prairie forb grass economic-damage rangeland benefit overwinter egg hatch adult late-summer august october june life-cycle food-habit size collection survey underreported common endemic restricted-range forest-opening grassy moderate-elevation larger smaller east west united-states america north south central range extent limited restricted abundant population density occurrence presence absence habitat environment condition altitude topography terrain vegetation plant shrub tree forest opening meadow prairie steppe savanna woodland draw slope aspect soil substrate moisture temperature climate weather season phenology timing activity nymph emerge molt develop grow reproduce mate oviposit die generation voltinism univoltine bivoltine multivoltine semivoltine diapause aestivation hibernation dispersal movement behavior habit action feeding diet food host association relationship interaction specialist generalist monophagy oligophagy polyphagy herbivore detritivore predator parasitoid scavenger economic-importance pest beneficial neutral damage control management conservation threatened endangered vulnerable secure unknown global-biodiversity-information-facility es biodiversity-image-portal spanish-collections type-specimen lichen antarctica bernensis li yellowstone
Trisetacus
Trisetacus is a genus of eriophyoid mites (Eriophyoidea: Phytoptidae, historically placed in Nalepellidae) that are obligate parasites of coniferous trees. Species within this genus exhibit strong host specificity, primarily infesting members of Pinaceae and Cupressaceae. The genus includes species with diverse feeding habits: some inhabit needle sheaths, others infest foliage, buds, or seeds. Molecular phylogenetic studies have revealed a deep dichotomy within Trisetacus, with two major lineages distinguished by female genital morphology and host associations—one lineage associated with Pinaceae and another with Cupressaceae. Several species are significant forest pests, causing damage ranging from needle chlorosis and twisting to complete destruction of seed crops. The genus has been subject to taxonomic revision, with 22 species recognized from North America alone.
eriophyoid-mite conifer-parasite forest-pest seed-predator gall-mite Nalepellinae host-specificity sexual-dimorphism molecular-phylogenetics