Mealybugs planococcus citri and thrips scirtothrips aurantii are common. Monitoring of resistance in field populations of scirtothrips. Scirtothrips citri feeds on the newly developing citrus fruit reducing the fruit from high quality fresh fruit to a juice product at a significant reduction in crop value. Scirtothrips aurantii, scirtothrips citri, scirtothrips dorsalis 2005. Scirtothrips citri mandarin boom means citrus pest management must evolve the rise in popularity of mandarin oranges has outpaced knowledge of how integrated pest management ipm for them might differ from that of larger oranges. Jan 01, 2020 major pests in california not adequately controlled biologically include crs a. The citrus thrip seirtothrips citri moult is a pest of serious economic importance. Scirtothrips citri is one of a number of pests listed in the appendices to the terms of reference tor to be subject to pest categorisation to determine whether it fulfils the criteria of a quarantine pest qp or those of a regulated non. Head is wider than long antennae with eight segments, segments 3. Euseius addoensis addoensis, an effective predator of. Scirtothrips citri moulton original name and synonyms. The protected zone system aligns with the pest free area system under. Relationships of various scirtothrips species based on molecular data are further considered by hoddle, heraty et al. The aim of the study was to monitor the different stages ofs.
Aug 16, 2015 media in category scirtothrips this category contains only the following file. Smaller traps were significantly more efficient in trapping a. Pest survey card on scirtothrips aurantii, scirtothrips citri and scirtothrips dorsalis plant pest, survey, riskbased surveillance, scirtothrips aurantii, scirtothrips citri, scirtothrips dorsalis first published in efsa supporting publications. A chemical exclusion method employing dicofol was used to determine the effect of the predator and numbers ofs.
Relationships among species of scirtothrips thysanoptera. Scirtothrips dorsalis hood, thrips palmi karny, and thrips tabaci lindeman. Additional aspects we have been investigating include mode of action, effects of spray volume, effects of additives such as adjuvants, foliar fertilizer, and insecticides, and impacts of. Scirtothrips citri is a pest of citrus and one of the most important scirtothrips species for international agriculture. Field populations of thrips scirtothrips dorsalis hood from citrus nurseries and psyllids diaphorina citri kuwayama from commercial citrus orchards of three districts in maharashtra state in india were evaluated for levels of resistance to organophosphates acephate, chlorpyrifos, quinalphos, and dimethoate, neonicotinoids thiamethoxam, imidacloprid, abamectin and spinosad. Modified versions of the standard reedrich citrus thrips trap were compared for trapping efficiency and labor required. Aug 01, 2005 specific scope this standard describes a diagnostic protocol for scirtothrips aurantii, scirtothrips citri and scirtothrips dorsalis. The citrus thrips, scirtothrips citri moulton, is one of three major arthropod pests of citrus. The protected zone system aligns with the pest free area syste. The fruits should be free from peduncles and leaves and.
Citrus thrips has a history of rapidly developing resistance to chemicals that are used repeatedly and frequently for its control. Scirtothrips padmae ramakrishna, 1942 the chilli thrips derivation 1 or yellow tea thrips, scirtothrips dorsalis hood, is an extremely successful invasive species of pest thrips 1 which has expanded rapidly from asia over the last twenty years, and is gradually achieving a global distribution. It is also a polyphagous species found on more than 50 plant species, in genera such as carya, gossypium, magnolia, medicago, phoenix, rosa and vitis. We have found the several particle film formulations can effective manage citrus thrisp, scirtothrips citri, in lemons under extremely high insect pressure. Toxicity of the major alkaloids present in commercial formulations of sabadilla, veratran d, was determined in laboratory bioassays with adult female citrus thrips, scirtothrips citri moulton. It is designed to teach about the identification, biology, and management of citrus thrips, scirtothrips citri.
Efsa 2014, and is one of the 14 species of thysanoptera known to transmit tospoviruses to cultivated plants riley et al. Phenology models predict timing of events in an organisms development. Males are similar in appearance but somewhat smaller. Scirtothrips citri thysanoptera, thripidae, brevipalpus lewisi, brevipalpus phoenicis. California citrus thrips scirtothrips citri moulton, 1909. Citrus red mite, panonychus citri citrus thrips, scirtothrips citri citrus cutworm, egira curialis california red scale, aonidiella aurantii forktailed bush katydid, scuddaria furcata citricola scale, coccus pseudomagnoliarum cottony cushion scale, icerya purchasi citrus thrips, scirtothrips citri monitoring method. Vincent 2004 florida 2005, texas 2006, and puerto rico 2007. Whether all plants reported as hosts are true hosts, allowing population development of s. Information in this database comes from published articles. Pest categorisation of scirtothrips citri 2018 efsa. Pdf on feb 1, 2019, gritta schrader and others published pest survey. Scirtothrips citri browse species thrips of california. Pest survey card on scirtothrips aurantii, scirtothrips citri and scirtothrips dorsalis.
The chilli thrips derivation 1 or yellow tea thrips, scirtothrips dorsalis hood, is an extremely successful invasive species of pestthrips which has expanded rapidly from asia over the last twenty years, and is gradually achieving a global distribution. Potential use of particle film technology for a biorational. Thripidae, thripinae using molecular and morphological data. Notes are given on the host range, distribution and recognition of the ten species of scirtothrips recorded as pests. Citrus thrips scirtothrips citri college of agriculture and life. Prospects for ipm of citrus thrips in california springerlink. Pest categorisation of scirtothrips citri european food safety. Scirtothrips citri is one of a number of pests listed in the appendices to the. The occurrence of the citrus thrips, scirtothrips citri thysanoptera. Osbeck which were scarred to various degrees by citrus thrips, scirtothrips citri moulton, were evaluated for internal quality of the fruit. An scirtothrips citri in nahilalakip ha genus nga scirtothrips, ngan familia nga thripidae.
Pest survey card on scirtothrips aurantii, scirtothrips citri and scirtothrips dorsalis european food safety authority efsa, gritta schrader, melanie camilleri, makrina diakaki, sybren vos abstract this pest survey card was prepared in the context of the mandate on plant pest surveillance efsaq. Sep 29, 2020 scirtothrips dorsalis is a pest of great economic importance worldwide that is recorded from more than 225 species of plants in 72 families kumar et al. The citrus thrips, scirtothrips aurantii faure thysanoptera. Seasonal abundance of different stages of the citrus. The number of migrant scirtothrips citri moulton captured per unit trapping area of a pvcacetate trap was comparable to the number captured per unit area of the reedrich trap, though the pvcacetate trapping surface was about 35% that of the 929 cm 2 standard trap. The shipment of fresh citrus fruit must be free of.
Screening of entomopathogenic fungi against citrus mealybug core. Abstract the developmental and reproductive biology of a new avocado pest, scirtothrips perseae nakahara, was determined in the laboratory at five constant temperatures, 15, 20, 25, 27. More than twothirds of global citrus production is grown in brazil, usa, china, mexico and spain. Consistent fruit quality trends were observed with more heavily scarred fruit showing more rapid weight loss, higher percent soluble solids, lower. Zahn and morse 20 concluded that the commercially available gha b. General information about scirtothrips citri scitci name language. Damage resulting from citrus thrips scirtothrips citri, adult female shown here can render both mandarin and navel oranges unmarketable for california citrus growers. Thripidae described from mangifera indica anacardiaceae in mexico. For many organisms which cannot internally regulate their own temperature, development is dependent on temperatures to which they are exposed in the environment. The shipment of fresh citrus fruit is free from brevipalpus lewisi, brevipalpus phoenicis, homalodisca coagulata, marmara spp. Euseius addoensis addoensis, an effective predator of citrus. These particular species have become global pests as they have been transported on agricultural produce.
An scirtothrips citri in uska species han insecta nga syahan ginhulagway ni dudley moulton hadton 1909. Osbeck, caused by the citrus thrips, scirtothrips aurantii faure thysanoptera. Scirtothrips citri scitcioverview eppo global database. Anastrepha genera, and from an area free of xanthomonas axonopodis pv. Scirtothrips citri scirtothrips citri 90100% schizotetranychus hindustanicus schizotetranychus hindustanicus90100% iron deficiency iron deficiency 90100% magnesium deficiency magnesium deficiency 90100% nitrogen deficiency nitrogen deficiency 50. Pdf toxicity, persistence, and potency of sabadilla. Citrus thrips scirtothrips citri moulton thys, thripidae scarring and navel orange fruit quality in california. Biological control of citrus thrips, scirtothrips citri, by. For example, resistance to dimethoate and formetanate hydrochloride carzol developed in a number of citrus thrips populations in the san joaquin and coachella valleys in the 1980s. Phytoseiidae, significantly p scirtothrips aurantii faure thysanoptera.
Pdf pest survey card on scirtothrips aurantii, scirtothrips citri and. The predacious mite,euseius addoensis addoensis mcmurtry acari. Topics also include damage to citrus and population dynamics and monitoring. This course is available for free, but to get the continuing education units and the certificate, you will be charged a course fee. An ecoinformatics approach to fieldscale evaluation of. Pest survey card on scirtothrips aurantii, scirtothrips. Seasonal abundance of different stages of the citrus thrips. In addition, the citricola scale, coccus pseudomagnoliarum kuwana hemiptera. Scirtothrips aurantii, scirtothrips citri and scirtothrips dorsalis survey card. Consistent fruit quality trends were observed with more heavily scarred fruit showing more rapid weight loss, higher percent soluble solids, lower titratable acidity, and higher sugar. Pest categorisation of scirtothrips citri 2018 efsa journal. Both cevadine and veratridine, the 2 major components of the insecticidal fraction of sabadilla, were highly toxic to citrus thrips. Pest survey card on scirtothrips aurantii, scirtothrips citri and.
The citrus thrips, scirtothrips citri moulton, is one of three major arthropod. Citrus thrips scirtothrips citri have piercing, sucking mouthparts for feeding on the inner contents of leaves. Cooperative extension citrus thrips scirtothrips citri. The consignment was inspected in egypt and found free from ceratitis capitata, scirtothrips aurantii, spiroplasma citri, chalara elegans, pseudomonas syringae pv.
Citrus thrips, scirtothrips citri, is a major pest in california accounting for. Scirtothrips aurantii, scirtothrips citri, scirtothrips. Citrus thrips scirtothrips citri moulton thys, thripidae scarring and navel orange fruit quality in. Syringae and pseudomonas viridiflava stamp of the service name of authorized officer signature. Scientific opinion on the pest categorisation of scirtothrips citri.
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