Aline Daniele Tassi

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• PhD
• Postdoc Associate at University of Florida

Blunerviruses, family Kitaviridae, infect and cause diseases of important crop plants including tomato, tea, and blueberry. Despite the economic importance of blunerviruses, their epidemiology and the mechanism underlying plant-to-plant transmission are largely unknown. In 2006 the blunervirus blueberry necrotic ring blotch virus (BNRBV, Blunerviru...

Citrus leprosis, a devastating disease vectored by flat mites, is a concern to California citrus producers because of its potential impact on trade. Trading partners are concerned that the flat mites found in California citrus may vector the viruses that cause citrus leprosis, providing a pathway of introduction into their own citrus industries. To...

To enhance modern morphological keys, micrographs and detailed drawings of the holotypes of Brevipalpus olivicola Pegazzano & Castagnoli, Brevipalpus rotai (Castagnoli & Pegazzano), and Brevipalpus mitrofanovi (Pegazzano) are provided, showcasing refined morphological features, along with ontogenetic changes in leg chaetotaxy. Furthermore, Brevipal...

Transmission of plant viruses that replicate in the insect vector is known as persistent-propagative manner. However, it remains unclear whether such virus-vector relationships also occur between plant viruses and other biological vectors such as arthropod mites. In this study, we investigated the possible replication of orchid fleck virus (OFV), a...

Pouteria sapota, or “mamey sapote”, is a tropical fruit tree native to Central America and Southern Mexico, producing sweet, nutrient and vitamin-rich fruit. Several insect pests are known to infest P. sapota, but none have been associated with plant growth alterations. Eriophyoid mites are well known to cause plant malformations, but mites that ca...

The genus Aegyptobia is recorded from South America for the first time, with the description of a new species collected from the branches of a native forest tree, Neltuma piurensis (Fabaceae), from Department of Piura in northwestern Peru. The species A. pennatulae Baker & Tuttle was also collected from the same host, and is redescribed based on th...

The limited temporal completeness and taxonomic accuracy of species lists, made available in a traditional manner in scientific publications, has always represented a problem. These lists are invariably limited to a few taxonomic groups and do not represent up-to-date knowledge of all species and classifications. In this context, the Brazilian mega...

The limited temporal completeness and taxonomic accuracy of species lists, made available in a traditional manner in scientific publications, has always represented a problem. These lists are invariably limited to a few taxonomic groups and do not represent up-to-date knowledge of all species and classifications. In this context, the Brazilian mega...

The limited temporal completeness and taxonomic accuracy of species lists, made available in a traditional manner in scientific publications, has always represented a problem. These lists are invariably limited to a few taxonomic groups and do not represent up-to-date knowledge of all species and classifications. In this context, the Brazilian mega...

The limited temporal completeness and taxonomic accuracy of species lists, made available in a traditional manner in scientific publications, has always represented a problem. These lists are invariably limited to a few taxonomic groups and do not represent up-to-date knowledge of all species and classification. In this context, the B Brazilian meg...

The flat mite Tenuipalpus uvae De Leon, 1962 (Acari: Tenuipalpidae) is restricted to the Americas. The only available descriptions of this mite are based on the holotype and 12 paratype females and nymphs from Mexico. This paper focuses on redescribing the species based on the paratypes and new material from Florida (USA) and Brazil. Additionally,...

Brevipalpus are economically significant mites due to direct damage through feeding and their role as vectors of plant viruses. They have been pivotal in global agricultural quarantine efforts becauseof their ability to introduce viruses into new areas. Although several authors have described intraspecific variations in B. californicus, B. obovatus...

To understand and manage viruses causing citrus leprosis it is necessary to identify their alternate host plants and know their distributions. Currently, the citrus leprosis disease is associated with several viruses of the genera Cilevirus and Dichoravirus. In Colombia, symptoms of citrus leprosis have been related to citrus leprosis virus C (CiLV...

Lice and mites taken from a catbird.

The reduced temporal validity of species lists made available in a traditional manner in scientific publications has always represented a problem. These lists are invariably limited to a few taxonomic groups and do not represent the up-to-date knowledge of all species and classifications. The Catálogo Taxonômico da Fauna do Brasil (CTFB), made publ...

Catálogo Taxonômico da Fauna do Brasil: se ng the baseline knowledge on the animal diversity in Brazil

The family Tenuipalpidae includes agricultural pests that have garnered extensive attention from the global research community. Despite the economic importance of tenuipalpids, due to their ecology and global trade of the infested plants, there has not been any corresponding and comprehensive research on these mites in Italy in recent decades. This...

Supplementary material: Updated Italian checklist of Tenuipalpidae with description of a new species and new worldwide records of the genus Cenopalpus (Pritchard et Baker)

A new species of flat mite (Acari: Tenuipalpidae), Brevipalpus canastra Castro, Beard & Ochoa sp. nov., is described from the adult female, deutonymph, protonymph and larval stages collected on Sabicea brasiliensis (Rubiaceae), in the Cerrado region of Brazil. The new species belongs to the Brevipalpus phoenicis species group. The ontogenetic chang...

Introduction The flat mite Brevipalpus yothersi is the main vector of citrus leprosis in South and Central America and Mexico, where vector suppression using conventional acaricides is usually the only disease control method, leading to problems with acaricide resistance. This mite is present in Florida, where several viruses known to cause citrus...

Kitaviridae is a family of plant-infecting viruses that have multiple positive-sense, single-stranded RNA genomic segments. Kitaviruses are assigned into the genera Cilevirus, Higrevirus, and Blunervirus, mainly on the basis of the diversity of their genomic organization. Cell-to-cell movement of most kitaviruses is provided by the 30K family of pr...

Brevipalpus Donnadieu is the second most numerous genus of the family Tenuipalpidae (Acari: Prostigmata: Tetranychoidea) with more than 300 known species. Species of the genus Brevipalpus can cause damage directly through feeding or indirectly through the transmission of plant viruses. Brazil has records of 10 species of Brevipalpus, with only two...

A morphometric and molecular characterization of Brevipalpus sp. close to the group of cryptic species within Brevipalpus californicus s.l. bearing only one solenidion on tarsus II was conducted, and its capacity to acquire and inoculate citrus leprosis virus C (CiLV-C) and orchid fleck virus, strain-citrus (OFV-citrus), was determined. For the mor...

Tenuipalpidae (Trombidiformes: Tetranychoidea) is an economically important family of plant-feeding mites. The family has approximately 1,100 described species in 41 genera with worldwide distribution. Currently, 40 species of Tenuipalpidae have been recorded from Brazil, and prior to this study only 11 were known from Bahia state. Five new species...

Citrus leprosis (CL) is the main viral disease affecting the Brazilian citriculture. Sweet orange (Citrus sinensis L. Osbeck) trees affected by CL were identified in small orchards in Southern Brazil. Rod-like particles of 40 × 100 nm and electron lucent viroplasm were observed in the nucleus of infected cells in symptomatic tissues. RNA extracts f...

Citrus leprosis virus C (CiLV-C) causes citrus leprosis, a re-emergent viral disease affecting citrus production in Latin America. Here, we developed two TaqMan RT-qPCR assays to detect and quantify CiLV-C lineage SJP, prevalent in the Brazilian citrus belt and the world’s main sweet orange production area. Assays targeted sequences within the gene...

Brevipalpus-transmitted viruses (BTVs) cause economically important diseases such as citrus leprosis, widespread in Latin America, and coffee ringspot, found mainly in Brazil. One BTV, the orchid fleck virus, has a worldwide distribution infecting orchids.

Tenuipalpus panici De Leon was originally described from female specimens collected on Panicum maximum Jacq. (Poaceae) from South of Baranquetas, Puerto Rico. In this paper, we redescribe the female of T. panici based on the holotype and on specimens newly collected in Brazil. It is the first record of the species in South America. Females, nymphs...

Plant viruses transmitted by mites of the genus Brevipalpus are members of the genera Cilevirus, family Kitaviridae, or Dichorhavirus, family Rhabdoviridae. They produce non-systemic infections that typically display necrotic and/or chlorotic lesions around the inoculation loci. The cilevirus citrus leprosis virus C (CiLV-C) causes citrus leprosis,...

An increasing number of plant species have been recognized or considered likely reservoirs of viruses transmitted by Brevipalpus mites. A tiny fraction of these viruses, primarily those causing severe economic burden to prominent crops, have been fully characterized. In this study, based on high-throughput sequencing, transmission electron microsco...

Cenopalpus officinalis Papaioannou-Souliotis, 1986 (Trombidiformes: Tetranychoidea: Tenuipalpidae) is reported for the first time from Israel, Italy and Mexico. Previously, this flat mite species was only known to occur in Greece and is the first species belonging to the genus Cenopalpus recorded from Mexico. Adult females and males, deutonymphs an...

Plant viruses can be effectively transmitted by phytophagous mites. Many species of mites, mainly eriophyids and tenuipalpids, induce symptoms in infested plants that may be mistaken for viral diseases or may hide infections produced by unidentified putative viruses. The virus-mite interplay and the multitrophic interactions with their host plants...

Zoysiagrass is an important ornamental and turfgrass cultivated in different countries. Recently, damage to this plant, characterized by a type of witch’s broom and stunting were observed in southern Brazil, suggesting possible attack by mites. A detailed examination of these plants showed the presence of a new mite species, Abacarus zoysiae Flecht...

For the first time, an isolate of the dichorhavirus orchid fleck virus (OFV, family Rhabdoviridae) was found infecting an orchid plant in Mexico. The infected sample of Epidendrum veroscriptum was collected in a nursery in Lagunillas, municipality of Zihuateutla, Edo. Puebla. Mites gathered on this plant were analyzed by light and scanning electron...

Different from most plant viruses, Brevipalpus mite-transmitted viruses (BTV) cause localized infection, not being able to systemically invade the infected plant. To broaden the specter of the histopathological changes in leaf tissues induced by BTV infection, we examined the tissue organization of leaf lesions caused by the infection of two additi...

Linotetranus achrous was described from specimens collected on Distichlis spicata from Tesla (today the Carnegie State Recreation Area), California, USA. The original description does not provide sufficient information for accurate and consistent species identification. In this paper, we redescribe the female of L. achrous and include additional no...

Aceria noxia (Trombidiformes, Eriophyidae), a new species, is described and illustrated from Amaranthus viridis (Amaranthaceae), in Brazil.

The genus Brevipalpus (Tenuipalpidae) includes 291 described species commonly found in the tropical and subtropical regions. Morphological characters considered in the taxonomy of Brevipalpus species are difficult to discern, which often leads to erroneous identifications and the presence of cryptic species within species is suspected. New morpholo...

A brief review is presented on the diseases caused by Brevipalpus mites-transmitted viruses (BTV), their symptomatology, geographical distribution, and economic importance; the diversity of BTV; the biology and systematics of Brevipalpus mites, and the nature of the BTV-vector relationships.

Brevipalpus contains about 290 species, some of which are considered of economic importance. In spite of their agricultural importance, the species diversity is scarcely known in several regions around the world, notably on wild plants. In this work a new species collected on an endemic ivy of the Azores Archipelago, Hedera azorica Carrière (Aralia...

Tenuipalpus coyacus was described from female, male and deutonymph specimens collected on oil palm (Arecaceae) from San Blas, Nayarit, Mexico. In this article, we redescribe the female, male and immatures of T. coyacus from type specimens and newly collected material in Brazil. Also included are additional novel data (e.g. dorsal and ventral orname...

A new species of Tenuipalpus Donnadieu (Acari: Tenuipalpidae), Tenuipalpus odoratus Souza, Castro & Oliveira sp. nov., is described from females, males, deutonymphs, protonymphs and larvae collected on Cedrela odorata L. (Meliaceae) from Ilhéus, Bahia, Brazil. A proposed ontogeny of leg chaetotaxy is also included.

Although diseases caused by Brevipalpus-transmitted viruses (BTV) became relevant for agriculture a century ago, their causal agents have been only recently characterized and classified in two new genera of plant-infecting viruses: Cilevirus and Dichorhavirus. In this review, we highlight both similarities and differences between these viruses emph...

Citrus leprosis (CL) is a viral disease currently affecting citrus orchards in Latin America. It causes a non-systemic infection that produces necrotic and chlorotic spots in leaves, stems and fruits, reducing citrus crop yield and leading to the death of younger trees. Viruses causing CL are assigned to two genera: Cilevirus [bipartite ss(+) RNA]...

The genus Dichorhavirus includes plant-infecting rhabdoviruses with bisegmented genomes that are horizontally transmitted by false spider mites of the genus Brevipalpus. The complete genome sequences of three isolates of the putative dichorhavirus clerodendrum chlorotic spot virus were determined using next-generation sequencing (Illumina) and trad...

A group of related bacilliform, nuclear viruses with a bisegmented negative-sense RNA genome that are transmitted by Brevipalpus mites likely in a circulative–propagative manner were recently classified in the new genus Dichorhavirus, family Rhabdoviridae. These viruses cause localized lesions on leaves, stems, and fruits of economically significan...

Local chlorotic spots resembling early lesions characteristic of citrus leprosis (CL) were observed in leaves of two sweet orange (Citrus sinensis L.) trees in Teresina, State of Piauí, Brazil, in early 2017. However, despite the similarities, these spots were generally larger than those of a typical CL and showed rare or no necrosis symptoms. In s...

Orchid fleck virus (OFV) and its mite vector Brevipalpus californicus were for the first time identified on green cordyline plants showing distinctive chlorotic and necrotic ringspots. Thin section electron microscopy revealed bacilliform, dichorhavirus-like particles within nuclear viroplasms. RT-PCR using OFV degenerate primers yielded a single a...

Citrus leprosis (CL) is a viral disease endemic to theWestern Hemisphere that produces local necrotic and chlorotic lesions on leaves, branches, and fruit and causes serious yield reduction in citrus orchards. Samples of sweet orange (Citrus × sinensis) trees showing CL symptoms were collected during a survey in noncommercial citrus areas in the so...

Citrus leprosis has been one of the most destructive diseases of citrus in the Americas. In the last decade important progress has been achieved such as the complete genome sequencing of its main causal agent, Citrus leprosis virus C (CiLV-C), belonging to a new genus Cilevirus. It is transmitted by Brevipalpus yothersi Baker (Acari: Tenuipalpidae)...

Citrus leprosis (CL) is a serious threat to the citrus industry, especially for sweet oranges. For a long time, Citrus spp. were considered the only susceptible hosts. However, other plant species were also found either experimentally or naturally to be susceptible to Citrus leprosis virus C (CiLV-C). To assess the experimental host range of CiLV-C...

Citrus leprosis (CL) caused by Citrus leprosis virus C (CiLV-C) is present in Latin America from Mexico to Argentina, where citrus plants are grown. CiLV-C is transmitted by the tenuipalpid mite, Brevipalpus phoenicis, causing localized lesions on citrus leaves, fruit, and stems. One limitation to study of the virus–vector–host relationship in this...

Citrus leprosis (CL) was first described in South America in the 1920's. It is considered similar to a disease first observed back to 1860 in Florida. It is a destructive disease characterized by localized lesions on the leaves, fruits and stems, which may lead to the death of the affected plant if left untreated. Around 1940, CL was demonstrated t...

To verify the prevailing Brevipalpus species in citrus orchards affected by leprosis in Argentina, specimens of this genus were collected mainly from 'Valencia' and 'Hamlin' varieties of sweet orange plants from experimental and commercial plantations at Bella Vista, Corrientes Province, Concordia, Entre Rios Province and Saens Peña, Chaco Province...

Citrus leprosis was detected in sweet oranges in Chiapas, Mexico, in 2005 based on symptoms. The disease was soon after observed in sweet orange orchards at Huimanguillo and Cunduacan, state of Tabasco. Leaf samples of leprosis-affected Valencia or Hamlin sweet oranges were collected and subjected to ultrastructural examination and molecular detect...