Jadhav et al. Until the early 1980’s the pest was frequently misidentified as the citrus mealybug, Planococcus citri (Risso). (canna lily), Citrus sp., Cocos nucifera (coconut), Solenostemon sp. Males differ greatly; they have three instars and a pre-pupal stage. The nymphs are yellow, oval-shaped with red eyes, and covered with white, waxy particles (Griffiths and Thompson 1957). The body of adult females is coated with white wax and bears a characteristic faint gray stripe along their dorsal side. In addition to its unsightly appearance, sooty mold may degrade fruit quality by reducing the photosynthetic capacity of leaves. First list of insects, mites and nematodes. Planococcus citri (Risso) males may fertilize an average of nine females, with a maximum of 27 females during male life span. The citrus mealybug, Planococcus citri (Risso) (Homoptera: Pseudococcidae) is a serious pest of a wide variety of economically important plants as well as on greenhouse ornamentals … Catuaí amarelo. Planococcus citri (Risso, 1813) (Arthropoda, Hexapoda, Hemiptera) Planococcus ficus (Signoret, 1875) Access to the 52 data on distribution. 525 pp. Þ cus is cited as a pest in Europe, the Middle East, northern Africa, South Africa, South America, California, and … Mealybugs of the Pseudococcidae family have been reported as causing direct damage (losses in production) … common name: citrus mealybug scientific name: Planococcus citri (Risso) (Insecta: Hemiptera: Pseudococcidae) Introduction - Distribution - Description and Life History - Host Plants - Management - Selected References Introduction (Back to Top). Applications made before spring flush have been found to be the most effective strategy for citrus mealybug management. Mealybugs remain motile throughout their life cycle, with the exception of the male pupa (Anonymous 2007, Griffiths and Thompson 1957, Polat et al. Ronald F.L. Chemicals have been recommended for their control. plagiata (Say) occasionally feed on mealybugs (Muma 1954). Cocc. It was placed in the … Insects and mites found on Florida citrus. Brazil) Pl. Citrus Mealybug Planococcus citri (Risso) (Insecta: Hemiptera: Pseudococcidae) 3 Population Dynamics Mealybugs are most common during the spring and early summer. De Lotto (1975) subse-quently identified it as Planococcus … (Hom., Pseudococcidae) on citrus in the Loukos region of Morocco.] The citrus mealy bug, Planococcus citri (Risso) (Hemiptera: Pseudococcidae) attacks many host plants including all orchard trees in Egypt. Depending on the season, egg hatch may occur after six to 10 days or several weeks. McKenzie HL. Planococcus citri Risso, 1813 (Hemiptera: Pseudococcidae) is frequently held responsible for various diseases occurring in vineyards. Citrus mealybugs are primarily pests of citrus, but have been collected from at least 27 host plant families including indoor ornamentals, vegetables, and fruits. Planococcus citri. Photograph by Lyle J. Buss, University of Florida. Reproduction in the greenhouse can occur year round, leading to continuous populations of mealybugs (Griffiths and Thompson 1957). Nymphs can also be found on fruit. Kunth ex Walp., can be used for eradicating coffee mealybugs, Planococcus citri Risso. Males are similar in color to females and have two long backward-projecting, white wax threads. Insect Environment 2: 90. (fig trees or fig), Fragaria sp. 2001), while male nymphs are more elongated. Introduction. Diez April 2007 Planococcus citri, commonly known as the citrus mealybug, is a species of mealybugs native to Asia.It has been introduced to the rest of the world, including Europe, the Americas, and Oceania, as an agricultural pest.It is associated with citrus, but it attacks a … Planococcus ficus (Signoret) was initially identified in the Western Cape Province as Planococcus citri (Risso) by Joubert (1943), Kriegler (1954) and Whitehead (1957) after introduction to the area, probably with plant material. 35(2): 201-211. : Report of the Plant Protection Station for 1926 to 1929, Ashkhabad, Turkmenia, Argyriou, L.C. The Citrus mealybug (Planococcus citri Risso, 1813) is a homopterous insect belonging to the Pseudococcidae family. 1954. Author … The species probably originated from China (Bartlett, 1978). Effect of nitrogen fertility on reproduction and development of citrus mealybug, Planococcus citri Risso (Homoptera: Pseudococcidae) feeding on two colors of coleus, Solenostemon … phenacocciformis (Brain, 1915) Oranges develop hard lumps as a result of mealybugs feeding, resulting in discolored and poor quality fruit. (For more information on sooty mold, refer to Scale insects and mealybugs on ornamental plants.). The pest first appeared during the 1930s and caused serious losses to the coffee crop of Kenya. The Macmillan Company, New York, USA. Female mealybugs are wingless and, therefore, must be transported to subsequent host plants, although they are able to crawl for short distances. The citrus mealybug is a common pest of citrus primarily in greenhouses and of several ornamental plants in Florida. The cultivation of citrus fruits. 1954. Development of sooty mold on the fruit leads to commercially unacceptable appearance of fruits and requires vigorous scrubbing before packing the fruits. O controle mais usual dessa praga é o químico, o que pode acarretar, além de problemas socioambientais, a seleção de indivíduos resistentes. & Uthamasamy, S. (1999) Comparative biology and predatory potential of Australian ladybird beetle ({Cryptolaemus montrouzieri}) on {Planococcus citri} and {Dactylopius tomentosus}. Planococcus and Pseudococcus [9]. Biological struggle Biological control can be: - natural due to the presence of numerous natural … Natural control of the citrus mealybug in Florida. Bioecologie et lutte biologique contre {Planococcus citri} R. (Pseudococcidae) sur agrumes dans la region du Loukos au Maroc. The common mealybug and its control in California. Planococcus spp. Citrus Mealybug Planococcus citri (Risso) (Insecta: Hemiptera: Pseudococcidae) 3 Population Dynamics Mealybugs are most common during the spring and early summer. It is only the males that can produce a cottony-appearing cocoon and pupate (Anonymous 2003, Kerns et al. Common … 1932. Introduction Planococcus citri commonly known as citrus mealybug is a polyphagus species known from all zoogeographical regions [1]. Jayma L. Martin, Educational Specialist. In our search for the natural enemies of P. citri… University of Florida Agricultural Experiment Station Bulletin 148: 214-216. Planococcus citri (Risso) -- Pseudococcidae (Contacts) GO TO ALL: Bio-Control Cases . INTRODUCTION. Go! In grapefruit groves, mealybugs persist in high numbers throughout the summer and into the fall. Pseudococcus citri Cockerell, 1902. Cochonilhas-farinhentas associadas à videira na Serra Gaúcha, bioecologia e controle de Planococcus citri (Risso, 1813) (Hemiptera: Pseudococcidae). United States Department of Agriculture and Farmer’s Bulletin 862: 16. Homoptera: Coccoidea. Speare AT. Cultural measures: Historically in California, fumigation of picking sacks and boxes was recommended to prevent the spread of citrus mealybug (Woglum and Neuls 1917). Several overlapping generations occur in a year, but only one cycle (Spring-Summer) is of major concern to citrus growers in Florida, with peak infestations occurring in June or July. High-pressure water sprays are moderately effective at achieving control. (1996) reported soybean as a host of citrus mealybug in India. In addition, ants get attracted by the honey-dew released by mealybugs and, therefore, frequently carry them from one tree to another (Watson 1918). First instar female and male nymphs are called crawlers. (For more information on chemical control, refer to Florida citrus pest management guide: Soft-bodied insects attacking foliage and fruit). 91f. Planococcus citri (Risso, 1813) (Pseudococcidae: Planococcus) Adults: Adult size ranges in length from 3 mm (females) to 4.5 mm (males). 1- Revisao das especies conhecidas. : Bulletin de la Societe d'Histoire Naturelle de l'Afrique du Nord, Balakrishnan, M.M., Vinod Kumar, P.K.