LYCOS RETRIEVER 
Pinworm: United States
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Tomato pinworm (Keiferia lycopersicella) is a widely distributed pest of tomatoes, and to a lesser extent, eggplant, throughout the tropical tomato-producing areas of Mexico, and the states of Florida, Texas and California. It is a major pest of cherry, fresh market and processing tomatoes wherever winters are mild and production seasons are long. The tomato pinworm overwinters primarily in tomato plants not destroyed after fall harvest and does not undergo an obligatory diapause during winter months. As many as 7 or 8 overlapping generations may occur each year and these generations vary in length from 3 to 4 weeks in summer months to 3 or 4 months in winter. Adult moths are primarily nocturnal. Mating occurs soon after emergence and generally takes place between 4 PM and 10 PM. Females lay most of their eggs within two days.
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Although the directions do state "single dose effectiveness", taking a second dose after 10 days is ... recommended because of the pinworm lifecycle. After the initial treatment, pinworm eggs will almost certainly remain in your living environment and may be ingested or inhaled.
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Infestation with pinworm ( Enterobius vermicularis) is known as enterobiasis. This is the most common helminth infestation in the United States, with an estimated 42 million infested, translating to 14% of the population.1,2 Investigators in other countries report much higher prevalences, such as 29% (Denmark), 39% (Thailand), 50% (England), and 61% (India).1
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