Florida Entomologist (2018) 101, 353-363

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Luís Fernando V. Almeida, Ana Lúcia B.G. Peronti, Nilza Maria Martinelli and Vera R.S. Wolff (2018)
A survey of scale insects (Hemiptera: Coccoidea) in citrus orchards in São Paulo, Brazil
Florida Entomologist 101 (3), 353-363
Abstract: Many scale insects (Hemiptera: Coccoidea), including species of great economic importance, are associated with plants of the genus Citrus in citrus-producing regions around the world. Revision and updating of lists of scale insect species based on field surveys contributes to improving their management and is an important tool for preventing their introduction into non-infested areas. The purpose of this study was to present an updated list of scale insect species in citrus orchards in São Paulo, Brazil. Samples were collected between Sep 2014 and Sep 2015, and between Sep 2016 and Jul 2017, from rural and urban areas and from nurseries in 27 municipalities in the principal citrus-producing regions in the state of São Paulo, known as the "citrus belt." A total of 22 species in 6 families were identified: (1) Coccidae: Ceroplastes floridensis Comstock, Coccus viridis (Green), Parasaissetia nigra (Nietner), Saissetia coffeae (Walker); (2) Diaspididae: Acutaspis scutiformis (Cockerell), Aonidiella aurantii (Maskell), Chrysomphalus aonidum (L.), Lepidosaphes gloverii (Packard), Melanaspis smilacis (Comstock), Parlatoria cinerea Hadden in Doane and Hadden, Parlatoria ziziphi (Lucas), Pinnaspis aspidistrae (Signoret), Pseudaonidia trilobitiformis (Green), Selenaspidus articulatus (Morgan), Unaspis citri (Comstock); (3) Lecanodiaspididae: Lecanodiaspis rugosa Hempel; (4) Monophlebidae: Icerya purchasi Maskell; (5) Ortheziidae: Praelongorthezia praelonga (Douglas), and (6) Pseudococcidae: Ferrisia virgata (Cockerell), Leptococcus minutus (Hempel), Planococcus citri (Risso), and Pseudococcus cryptus Hempel. This is the first report of L. gloverii, P. nigra, P. aspidistrae, P. trilobitiformis, and P. cryptus on citrus in São Paulo, and of M. smilacis on Rutaceae host plants. Parlatoria ziziphi, S. articulatus, and U. citri were the most frequently observed species on the sampled plants, and they are among those that reached high levels of infestation throughout the collection period. A review of all scale insects associated with Citrus spp. in Brazil also is included.
(The abstract is excluded from the Creative Commons licence and has been copied with permission by the publisher.)
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Database assignments for author(s): Ana Lúcia B.G. Peronti

Research topic(s) for pests/diseases/weeds:

Pest and/or beneficial records:

Beneficial Pest/Disease/Weed Crop/Product Country Quarant.

Planococcus citri Citrus (genus) Brazil (south)
Aonidiella aurantii Citrus (genus) Brazil (south)
Unaspis citri Citrus (genus) Brazil (south)
Icerya purchasi Citrus (genus) Brazil (south)
Ferrisia virgata Citrus (genus) Brazil (south)
Coccus viridis Citrus (genus) Brazil (south)
Chrysomphalus aonidum Citrus (genus) Brazil (south)
Lepidosaphes gloverii Citrus (genus) Brazil (south)
Saissetia coffeae Citrus (genus) Brazil (south)
Selenaspidus articulatus Citrus (genus) Brazil (south)
Parasaissetia nigra Citrus (genus) Brazil (south)
Parlatoria ziziphi Citrus (genus) Brazil (south)
Pinnaspis aspidistrae Citrus (genus) Brazil (south)
Pseudaonidia trilobitiformis Citrus (genus) Brazil (south)
Praelongorthezia praelonga Citrus (genus) Brazil (south)
Parlatoria cinerea Citrus (genus) Brazil (south)
Ceroplastes floridensis Citrus (genus) Brazil (south)
Melanaspis smilacis Citrus (genus) Brazil (south)