Egg-laying usually occurs over the period of one to two weeks. Adult males may be distinguished from other related species by the presence of stout fleshy setae on the antennae and the absence of fleshy setae on the legs. The infestation was nasty with papaya mealy bugs covering the back of every leaf along with stems. Plants of economical importance are cassava, cocoyam, yam and avocado etc. Paracoccus marginatus damages various parts of the host plant including the leaves, stems, flowers and fruits. Specimens of papaya mealybug turn bluish-black when placed in alcohol, as is characteristic of other members of this genus. , The papaya mealybug inserts its stylet into the epidermis of the leaf or the skin of fruit or stem and feeds on the plant sap. Figure 6. It is found on a number of different hosts, including economically important tropical fruit trees and various ornamental plants. “Papaya mealy bug originated from Central America and has been reported as pest of economic importance in 2009,” he explained. Its extensive spread to neighbouring countries is also reported. It was first described by Williams and Granara de Willink in 1992 from specimens collected on cassava. Chemical control. Papaya leaf infestation of the papaya mealybug, Paracoccus marginatus Williams and Granara de Willink. The eggs hatch ten days later and the crawlers, which resemble miniature versions of the adult female, disperse. Kauffman WC, Meyerdirk DE, Miller D, Schauff M, Hernandez HG, Villanueva Jimenez JA.  The mango is more affected by the mango mealybug. Figure 4.  The introduction of this species has caused damage to papaya cultivation in South India, especially in the states of Karnataka, Kerala and Tamil Nadu. It infests nearly 60 host plants including Papaya, Tapioca, Mulberry, Bhendi, Brinjal, Tomato, Turmeric, Cotton, Jatropha, Kapak Miller and Miller (2002) give a complete description of all instars of both sexes of the papaya mealybug, as well as a complete description of characters used to distinguish the papaya mealybug from other closely related species. Miller, D. R. and G. L. Miller. Egg hatch occurs in about 10 days, and nymphs, or crawlers, begin to actively search for feeding sites. Figure 4. Economically important host plants of the papaya mealybug include papaya, hibiscus, avocado, citrus, cotton, tomato, eggplant, peppers, beans and peas, sweet potato, mango, cherry, and pomegranate.  It has spread to certain Caribbean Islands, Hawaii and French Guiana, and also to parts of Southeast Asia, including India, Indonesia and Thailand. By January 2002, it had been collected 80 times on 18 different plant species in 30 cities throughout Alachua, Brevard, Broward, Collier, Dade, Hillsborough, Manatee, Martin, Monroe, Palm Beach, Pinellas, Polk, Sarasota, and Volusia counties. Agricultural Research, May 2000, The papaya mealybug was discovered in Bradenton, Florida in 1998 on hibiscus. I have already weeded, cleaned up all the black plastic that the previous owners had put down and treated for ants with Terro ant dust and granules. Parasitoids of the papaya mealybug (. papaya mealybug. Academia.edu is a platform for academics to share research papers. Presented 2-4 August 2001 at the IOBC meeting, Bozeman, MT. mealy bugs were chosen and tagged for study . Outside of its natural habitat, Papaya mealybug is a polyphagous pest, with hosts recorded from 25 plant families. Mealy bug is a type of insect which eats the juice from your plant and slowly kills your plants. Papaya Mealybug (Paracoccus marginatus) • Adult female is yellowish segmented, flattened oval, about two millimetres long covered with mealy wax. 2001. Beside the papaya plant, its preferred host, the papaya mealy bug attacks many others plant species including crops, weeds and ornamentals. Mealybugs only tend to be serious pests in the presence of ants because the ants protect them from predators and parasites. The result is chlorosis, plant stunting, leaf deformation, early leaf and fruit drop, a heavy buildup of honeydew, and death. Watson GW, Chandler LR. Photograph by Dale Meyerdirk, National Biological Control Institute. Specimens also have been intercepted in Texas and California, and it is expected that papaya mealybug could rapidly establish throughout Florida and through the Gulf states to California. Heavy infestations are capable of rendering fruit inedible due to the buildup of thick white wax. There are four instars in the females and five in the males. CAB International, UK, 644 pp. What else can be done to get rid of the bugs and can I use something like miracle grow to help revive it.  It was discovered in Bradenton, Florida, in the United States in 1998 feeding on hibiscus, and four years later it had been detected on eighteen different plant species in the state. The most serious pests are mealybugs that feed on citrus; other species damage sugarcane, grapes, pineapple (Jahn et al. "Toxicity of some intsecticides to control mango mealybug, https://en.wikipedia.org/w/index.php?title=Paracoccus_marginatus&oldid=939560460, Articles with dead external links from March 2018, Articles with permanently dead external links, Creative Commons Attribution-ShareAlike License, This page was last edited on 7 February 2020, at 06:21. ( Hemiptera: Pseudococcidae ) as clusters of cotton-like masses on the adult female part the... ) pest in Florida, as well as other states, if not controlled HG, Villanueva Jimenez JA first! 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