Noeli Juarez Ferla

Universidade do Vale do Taquari - UNIVATES · Tecnovates

Areas of natural vegetation can favor biodiversity since they have a higher number of native plants and less impact of human activities compared to areas with agricultural crops. Orange and pine forestry stand out among the important monoculture crops for Brazilian agribusiness. In the orange crop, agrochemicals are used to control pests; in pine,...

The study aimed to report peacock mites (Acari: Tuckerellidae) on cocoa fruits (Theobroma cacao L.; Malvaceae) in the northeast Bragantina region, state of Pará, Brazil. Two mite species were identified, Tuckerella ornata, with 149 specimens, 32.89% on leaves and 67.11% on fruits, and Tuckerella knorri, with only two specimens on leaves. It was fou...

The study aimed to report peacock mites (Acari: Tuckerellidae) on cocoa fruits (Theobroma cacao L.; Malvaceae) in the northeast Bragantina region, state of Pará, Brazil. Two mite species were identified, Tuckerella ornata, with 149 specimens, 32.89% on leaves and 67.11% on fruits, and Tuckerella knorri, with only two specimens on leaves. It was fou...

Conservation biological control of pests may be achieved using a variety of integrated strategies based on crop diversification. We investigated whether the insertion of the intercropped plants species (IPS) Inga edulis, Senna macranthera, and Varronia curassavica modified the abundance of mites, their feeding behavior, and the dissimilarity of pre...

Two new species of Cunaxidae, namely Scutascirus scutusmedialis Wurlitzer & Ferla n. sp. and Coleoscirus sixsetaegenitalis Wurlitzer & Rocha n. sp. are illustrated and described based on females collected from soil in the village of Alter do Chão, located on the right bank (downstream) of the Tapajós River, 35 km southwest of the City of Santarém,...

Tetranychus evansi Baker & Pritchard, 1960 (Tetranychidae) is a phytophagous mite with wide distribution and high importance for agriculture. This study reports the occurrence of T. evansi in Nicotiana alata Link & Otto, Nicotiana forgetiana Sander ex W. Watson (Solanaceae) and their putative hybrids in a greenhouse in Rio Grande do Sul state, Braz...

The production of apples (Malus domestica: Rosaceae) in Brazil is concentrated in three states in the southern region of the country. This crop is of great economic importance for the region, and is usually susceptible to infestations of mite populations. However, recent surveys of mite species associated to apples are scarce. The aim of the presen...

Aculus taihangensis is a potential biological control agent of Ailanthus altissima (Miller) Swingle. However, predatory mites found in Europe may affect the action of this eriophyid agent. The aim of the present study was to evaluate the biology of two predatory mites, Euseius stipulatus and Typhlodromus (Typhlodromus) exhilaratus, feeding on A. ta...

Ornithonyssus bursa hematophagous mite whose main host is wild and domestic birds, which can temporarily parasitize humans in the absence of the main host. Infestations occur when birds abandon nests or direct contact with infected birds. The specimens were collected in a house in the urban area, with the help of a paper towel and kept under low re...

Many mite species disperse via the air. However, most methods described for the study of aerial dispersal have some limitations in the collection and/or recovery of mites that could be improved. The aim of this study was to describe a rotatory funnel-shaped collector that directs the wind to adhesive surfaces covered with a glycerin-based solution....

The hematophagous mite Dermanyssus gallinae poses a serious sanitary problem in the Brazilian laying poultry industry. Its control is typically performed with acaricides, either in powder or liquid form. However, the intensive use of these products has caused populations of this species to develop tolerance and even resistance. The aim of the prese...

The search for improvements in the poultry production chain and for increased egg productivity have grown significantly. However, intensive production with or by using of confinement systems negatively affect the welfare of animals and is favoring the appearance of harmful ectoparasites in production. Due to differences in the existing management s...

We describe adults of a new species, namely Lupaeus brasiliensis Wurlitzer & Rocha sp. nov., and report the first occurrence of Pulaeus krama (Chaudhri, 1977) from the Brazilian Amazon Rainforest.

A new species of Cunaxidae, namely Cunaxa bagualensis Wurlitzer & Ferla sp. nov., is described and illustrated based on females and males collected in soil and leaf litter in the Atlantic rainforest biome in a rural forest fragment in Mormaço county, Rio Grande do Sul state, Brazil. Additionally, Armascirus livingstoni Laniecka & Kazmierski, 2021 i...

Vineyards are a favorable culture for the habitat of phytophagous mites. These pests feed on the cellular sap of vegetables, causing damage to plants. The aim of this study was to comparatively evaluate the effects of applied biological control of Panonychus ulmi (Koch) (Tetranychidae) using Neoseiulus californicus (McGregor) (Phytoseiidae) on the...

The presence of weeds in the margins of strawberry crops can enhance populations of predatory mites as a measure to support conservation biological control. The aims of this study were (i) to assess the composition of the acarofauna associated with strawberries and the accompanying herbaceous plants in an organic farming system, and (ii) to evaluat...

Phytophagous mites can cause economic losses in many crops, including grapevines. The changes in their population levels may be associated with changes in the predator-prey relationship. Knowledge of the distribution of mites in plants is important for planning sampling strategies and facilitating control decisions. The aims of this study were to (...

Mite infestations can have negative impacts on the poultry industry, especially on egg-laying hens. Controlling ectoparasites is critical to maintaining farm biosafety, and lack of control increases the risk of poultry-related health problems and economic losses. Among the mite species that can infest laying birds, Megninia ginglymura (Mégnin, 1877...

The current study aimed to identify malophages in a population of Yellow-legged Tinamou (Crypturellus noctivagus noctivagus) and Brown Tinamou (Crypturellus obsoletus obsoletus) in the Pampa Biome, state of Rio Grande do Sul, Brazil. In 250 hours of sampling efforts, using bell-traps, we captured eleven specimens of C. n. noctivagus, and of these,...

The genus Coleoscirus Berlese, 1916, is revised and divided into two genera. Coleoscirus intermedius Corpuz-Raros, 1996 is designated the type species for Pseudoscirus Wurlitzer and Rocha gen. nov. This new genus is peculiar in having characteristics of both Coleoscirus Berlese, 1916 and Pseudobonzia Smiley, 1975. The general characters of Pseudosc...

The storage mite Tyrophagus putrescentiae (Schrank) (Acari: Acaridae) is one of the most important pests of stored foods (cheese, corn, oats, wheat, soy etc.), and is found in heavy infestations. Mites can infest food that are stored under unsatisfactory sanitary conditions, which may also provide conditions for fungi growth, which indicates mite-f...

Tetranychus urticae Koch (Koch, 1836) is considered one of the main pests in hop crops Humulus lupulus L. (Cannabaceae) when found in high densities, as it causes leaf browning, plant defoliation and attack on flowers, reducing productivity and quality of the plant production. In this sense, the present study aims to record for the first time the o...

In this paper, we presented additional information to the description of Cheletomimus (Hemicheyletia) wellsi (Baker, 1949) (Acari: Cheyletidae) collected on Vitis vinifera L. (Vitaceae), Ruellia angustiflora (Ness) Lindau ex Rambo (Acanthaceae) from Dois Lajeados, Marques de Souza and Pantano Grande municipalities in Rio Grande do Sul state, and on...

The South of Brazil is the largest producer of grapes, however this production is affected by climate and herbivores such as phytophagous mites. The aim of this work was to associate the mite fauna with the grape cultivars Chardonnay, BRS Lorena and hybrid cultivars rootstock Paulsen 1103, in trellising and espalier systems, in the municipalities o...

Two new species, namely Cunaxa jacobdenheyeri Wurlitzer & Silva sp. nov. and Cunaxa butantorum Wurlitzer & Rocha sp. nov. are illustrated and described. Cunaxa jacobdenheyeri sp. nov. resembles Cunaxa heterostriata Khaustov & Kuznetzov, 1998, C. jatoiensis Bashir & Afzal, 2006, C. polita Kazmierski & Ripka, 2015, in Ripka et al. 2015, C. subita Rip...

A new species of Cunaxidae, namely Pulaeus mormacensis Wurlitzer & Silva sp. nov., is described and illustrated based on females and males collected in soil and leaf litter in the Atlantic rainforest biome in a rural forest fragment in Mormaço and Putinga municipalities, Rio Grande do Sul state, Brazil. In addition, we report for the first time and...

Mites can establish ecologically mutualistic and/or commensal relationships with stingless bees. In the present study, we evaluated the acarine diversity associated with colonies of three stingless bee species (Melipona quadrifasciata quadrifasciata, Scaptotrigona bipunctata and Tetragonisca fiebrigi) in seven localities of southern Brazil. A total...

Oligonychus yothersi (McGregor) (Acari: Tetranychidae), known as yerba mate red mite, is typically found on the abaxial face of leaves, feeding on mesophyll cell contents in yerba mate crops. Euseius concordis (Chant) is a generalist mite, feeding on other mites, pollen, and nectar, and can be a promising control agent of O. yothersi. This study ai...

No Brasil, a cultura do morango no campo e/ou em estufa é uma importante fonte de renda, pois gera uma receita anual de R$35 milhões de reais. O cultivo tem impacto social e econômico significativo, porque, geralmente, é feito em pequenas propriedades rurais, através da agricultura familiar, gerando cerca de 2 mil empregos diretos (MALISZEWSKI, 201...

A biotecnologia é um tema de passado, presente e futuro. Ela é a arte de modificar os processos biológicos trazendo um novo tempo de conhecimento e no desenvolvimento. A Biotecnologia é uma ciência aplicada que utiliza os conhecimentos das ciências básicas para propor soluções biológicas nas mais diversas áreas da vida. Neste sentido, é fundamenta...

The Brazilian Pampa is predominantly composed of native grasslands with riparian forest formations. It preserves a rich biodiversity and provides vast biological resources for economic uses. The objectives of this study were to compare the mite fauna composition on plants in three environments i.e. grassland, grazing exclusions, and riparian forest...

Dermanyssus gallinae are hematophagous mites that pose a serious sanitary problem in the Brazilian laying poultry industry. Its control is typically performed with acaricides, either in powder or liquid form. However, the intensive use of these products has led populations of this species to develop resistance. The aim of the present study is to ev...

Tyrophagus putrescentiae (Schrank) (Acaridae) is one of the most allergenic mite species worldwide, and it particularly infests household environments, animal feed factories, and food factories. It has been the aim of several studies recently in the healthcare area due to its allergenic potential. However, there had been no records of this species...

Panonychus ulmi is widely distributed in apple and vineyards worldwide. In Brazil, the first damages were observed in apple orchard and later in grapevine. The aim of this study was to evaluate feeding preference and biological traits of P. ulmi on different grapevine varieties (BRS Vitória, Merlot and Concord) and apple (Fuji) under laboratory con...

The potential (predictive) distribution modelling is a forecasting tool for species distribution, using occurrence records and correlating them with the interaction of algorithms and environmental variables. Aculus schlechtendali (Nalepa) is a phytophagous mite of economic importance, associated with losses in apple trees. The present study aimed t...

The Brazilian Pampa presents a high diversity of fauna and flora within a mosaic of environments. The aim of this study was to evaluate the assemblages of predatory mites (Phytoseiidae and Stigmaeidae) in three different Pampa environments: Grassland shrub vegetation, Grazing Exclusions fenced for six years and Riparian Forest with tree vegetation....

The Brazilian Pampa presents a high diversity of fauna and flora within a mosaic of environments. The aim of this study was to evaluate the assemblages of predatory mites (Phytoseiidae and Stigmaeidae) in three different Pampa environments: Grassland shrub vegetation, Grazing Exclusions fenced for six years and Riparian Forest with tree vegetation....

Many studies have reported that the interaction between water mite larvae and their Odonata hosts affects mating success, flight, and longevity. Males and females of Odonata species collected in the steppes and coastal plains (Pampa Biome) of Rio Grande do Sul were analyzed. Mites were removed when present and the prevalence and intensity of parasi...

Two new species of Cunaxidae from Brazilian Atlantic Forest biome are described. Lupaeus stolli Wurlitzer & Ferla sp. nov. was from Varronia curassavica Jacq. (Boraginaceae), on Santa Catarina state, and Rubroscirus grilloi Wurlitzer & Ferla sp. nov. was from Vernonanthura tweediana (Baker) H. Rob., soil and leaf litter, on Rio Grande do Sul state,...

This research aimed at verifying the population fluctuation of the phytophagous spider mite Tetranychus urticae in four chrysanthemum (Chrysanthemum morifolium Ramat: Asteraceae) cultivars: Convington (Yellow - CVT), Kalamazoo (White - KLZ), White diamond (Cream - WD) and Royal Time (Pink - RT). Samples were taken every two weeks during two product...

Two new species of Cunaxidae from Brazilian Atlantic Forest biome are described. Lupaeus stolli Wurlitzer & Ferla sp. nov. was collected from Varronia curassavica Jacq. (Boraginaceae), in Santa Catarina state, and Rubroscirus grilloi Wurlitzer & Ferla sp. nov. from Vernonanthura tweediana (Baker) H. Rob., soil and leaf litter, in Rio Grande do Sul...

A new species of Stigmaeidae (Acari: Trombidiformes), namely Eustigmaeus crassifolius Bizarro & Johann n. sp., is described and illustrated based on females collected on Byrsonima crassifolia (L.) Kunth (Malpighiaceae) in Belém city (1°26′09.2″ S 48°26′28.6″ W), Pará state, Brazil. A dichotomous key of Brazilian species of Eustigmaeus genus is prov...

Estudos têm demonstrado que existe uma significativa associação entre ácaros de poeira doméstica e a prevalência de doenças respiratórias. O teve como objetivos apresentar e discutir o que tem sido publicado sobre a associação entre ácaros de ambiente domiciliar no que concerne à exacerbação de doenças alérgicas e respiratórias. Para tanto, foi rea...

Two new species of prostigmatid mites, Lorryia tuttii Bizarro, Wurlitzer & Da Silva sp. nov. (Tydeidae) and Benoinyssus oconnori Bizarro, Wurlitzer & Da Silva sp. nov. (Eupodidae) from specimens collected in soil samples from Mato Grosso state, Brazil described. A key to species of Benoinyssus is provided. http://www.zoobank.org/urn:lsid:zoobank.or...

The present study evaluated the mite fauna associated with nance, Byrsonima crassifolia (L.) Kunth, in the state of Pará, Eastern Amazon. Mites were collected from leaves of nance clones in the municipalities of Belém and Tomé-Açu from 2012 to 2014. The collected mites were mounted on microscope slides in Hoyer’s medium. A total of 2,749 mites were...

O II Seminário da Embrapa Acre de Iniciação Científica e Pós-Graduação teve por objetivo apresentar trabalhos de pesquisa realizados por estudantes de graduação ou pós-graduação, pesquisadores e analistas da Embrapa Acre para resolução de problemas específicos da região. Além disso, o evento ocorreu no intuito de dar continuidade ao esforço despend...

O II Seminário da Embrapa Acre de Iniciação Científica e Pós-Graduação teve por objetivo apresentar trabalhos de pesquisa realizados por estudantes de graduação ou pós-graduação, pesquisadores e analistas da Embrapa Acre para resolução de problemas específicos da região. Além disso, o evento ocorreu no intuito de dar continuidade ao esforço despend...

The dispersion of insects and mites can be favored by many factors, including the increasing circulation of plant materials. Special attention is needed to the eriophyoid mites, which have a greater potential as introduced species, due to their physical and biological characteristics. Aculus schlechtendali (Nalepa) (Eriophyidae, Apple Rust Mite - A...

Viticulture is an activity of economic importance in the state of Rio Grande do Sul, especially in Serra Gaúcha, which is the major grape-producing region. However, an increase in cultivated areas has been observed in other municipalities in the state. The aim of this study is to characterize mite diversity and community behavior on different varie...

The aim of this study was to investigate the biology and life table parameters of the predatory mite Agistemus floridanus Gonzalez (Stigmaeidae) feeding on Panonychus ulmi (Koch) (Tetranychidae). The experiment was initiated with 34 eggs of A. floridanus isolated in experimental units and maintained in a controlled environment at 25 ± 1 °C, 12 L:12...

Proctotydaeus (Acari: Iolinidae) species live in bird nests, insect colonies, plants and barn straw, and comprise 17 species belonging to four subgenera. Here, we report three new species of Proctotydaeus mites living inside stingless bee colonies in Brazil. Proctotydaeus (Neotydeolus) lasaroi Da-Costa, Rodighero & Ferla sp. nov., Proctotydaeus (Or...

Spider mite surveys conducted in Rio Grande do Sul state, Brazil, allowed us to provide the redescription of Tetranychus armipenis Flechtmann & Baker (Tetranychidae) from specimens collected on native plant species from Pampa biome, Rio Grande do Sul state. A new species of spider mite, Aponychus mauritianum sp. nov. is described and illustrated ba...

Objetivo: descrever o perfil das doenças alérgicas de usuários atendidos em um ambulatório de especialidades médicas. Método: estudo transversal, descritivo-exploratório e com abordagem quanti-qualitativa. Realizado no período de dezembro de 2018 a maio de 2019, em pacientes com doenças alérgicas atendidos em ambulatório de especialidades médicas l...

Two mite species belonging to the genus Agistemus Summers (Acari: Stigmaeidae) were collected from wild plants known as “chile piquín” (Capsicum anuumm L. var. glabriusculum) in two protected naturals areas, state of Tamaulipas, Mexico. Agistemus piquinnus Monjarás-Barrera and Johann n. sp. is described and illustrated. Agistemus brasiliensis Matio...

In this work, we describe the male of Scutopalus tomentosus Rocha, Skvarla & Ferla, 2013 and a new species Armascirus amazoniensis Wurlitzer & Silva sp. nov. from specimens collected on coconut crop, Cocos nucifera L. (Arecaceae), cultivated in state of Pará, into the Amazonic biome, Brazil.

Most mesostigmatid mites (Arachnida: Parasitiformes) are soil-dwelling predators, feeding predominantly on detritivorous and fungivorous invertebrates. Little is known about the role of environmental and spatial parameters in driving the structure of their local communities. The aim of this study is to assess the relative importance of environmenta...

Crypturellus noctivagus noctivagus is a forest bird endemic to Brazil. In the state of Rio Grande do Sul, the species is considered Critically Endangered, and is known for one relictual population in Pampa Biome. In this study, we estimated the population density of this relictual population using the Distance Sampling method. Samplings occurred fr...

Two new species of Cunaxidae, Cunaxoides lajeadensis Wurlitzer & Monjarás-Barrera sp. nov. and Lupaeus waldumirus Wurlitzer & Monjarás-Barrera sp. nov., are described from Ipomoea alba L. (Convolvulaceae) on the edge of an urban forest fragment.

The conservation status of an ecosystem is checked by studying the composition and diversity of the organisms that interact in trophic chains. The aim of this study was to evaluate the biodiversity of mites associated to Capsicum annuum L. var glabriusculum (Solanaceae) at three sampling sites corresponding to two Protected Natural Areas (PNA) in T...

Estudos epidemiológicos têm demonstrado evidente associação entre alérgenos ambientais e o desenvolvimento de sintomas de asma, bem como de outras patologias alérgicas. O aumento da prevalência de doenças respiratórias e alérgicas vem estimulando o desenvolvimento de estudos epidemiológicos que descrevem os padrões, características e comportamento...

This study aims to present an intraspecific variation observed in Typhlodromus (Typhlodromus) pyri Scheuten specimens collected from vineyards in Northwest Portugal. The variation was characterized by the presence of J1 setae on the dorsal shield in individuals from this population. ARTICLE HISTORY

The occurrence of phytophagous mites such as Panonychus ulmi may be influenced by leaf morphology, with different behaviors according to the vine varieties, and little is known on the preference of predators of the family Phytoseiidae. The aim of this study was to evaluate the abundance of Phytoseiid species on different white and red grape varieti...

Tydeid mites have a cosmopolitan distribution and are associated with diverse substrates such as soil, plants, stored products, and animals like vertebrates and insects. Here we report two new species of tydeid mites living inside stingless bee colonies in Brazil. Lorryia meliponarum n. sp. and Melissotydeus bipunctata n. sp. are described and illu...

The occurrence of phytophagous mites such as Panonychus ulmi may be influenced by leaf morphology, with different behaviors according to the vine varieties, and little is known on the preference of predators of the family Phytoseiidae. The aim of this study was to evaluate the abundance of Phytoseiid species on different white and red grape varieti...

Four new species of eriophyoid mites (Acari: Trombidiformes: Eriophyoidea) were collected from native plant species from Pampa biome, in the state of Rio Grande do Sul, Brazil, and are described and illustrated herein. They have been named: Aculus pampae sp. nov. on Elephantopus mollis Kunth (Asteraceae); Costarectus lanceatus sp. nov. on Sebastian...

Schizotetranychus oryzae Rossi de Simons attains pest level in rice crops. This study aimed to evaluate the biological features of Neoseiulus californicus (McGregor) feeding on S. oryzae on leaves of flooded rice. We also evaluated N. californicus behavior in response to S. oryzae and conspecific cues. Thirty-two eggs were individually placed in ar...

This study aimed to evaluate the mite fauna and their ecological interactions in commercial laying hen farms in the state of Rio Grande do Sul, Brazil. It was conducted from August 2013 through August 2014 with two sampling strategies (feathers and traps) in three different production systems: automated (A1,2,3), semi-automated (S1,2) and free-rang...

Knowledge about phytoseiid species associated with vines is a preliminary step in the development and implementation of integrated management strategies against phytophagous mites such as Panonychus ulmi. The aim of this study was to perform a comparative survey of phytoseiids present in abandoned, organically managed, and conventionally managed vi...

Knowledge about phytoseiid species associated with vines is a preliminary step in the development and implementation of integrated management strategies against phytophagous mites such as Panonychus ulmi. The aim of this study was to perform a comparative survey of phytoseiids present in abandoned, organically managed, and conventionally managed vi...

The stored food mite Tyrophagus putrescentiae (Schrank) (Acari: Acaridae) has been associated with the presence of several fungal species. The aims of this work were to evaluate T. putrescentiae population growth associated to environmental and medically important fungal species to determine on which fungal species populations of T. putrescentiae p...

Grapevines are attacked by diseases and pests, and strategies used by wine makers for the control of these involve the use of agrochemicals, causing in balancing of predator-prey ratios. The spider mite Panonychus ulmi causes damage to grapevines in the South of Brazil, whereas Neoseiulus californicus is the most frequently used predatory mite in b...

O cultivo de maçãs no Brasil está entre os dez maiores do mundo, com produção anual de mais de um milhão de toneladas, concentrada principalmente nos estados do Rio Grande do Sul e de Santa Catarina por apresentarem ambiente favorável. Os municípios de Vacaria (RS) e Fraiburgo (SC) são referência no setor, com produção na safra de 2013-14 de aproxi...