Editor’s Note: The following article appeared in Mike Merchant’s blog, “Insects in the City,” which can be found at insectsinthecity.blogspot.com. The blog offers readers news and commentary about the urban pest management industry and is excerpted here with permission of the author.
A January 2015 article published in the Journal of Medical Entomology by entomologists at South China Agricultural University recently caught my eye. The study, by Lei Wang and associates, reported on bed bug infestation rates of homes in two south China cities. While the results were not very detailed, they do give an interesting peek inside the world’s most populous country with some of the world’s most crowded cities.
The size of its cities, and the potential pest control market, in China is staggering. The combined population of the two cities in this study is 18.75 million (Texas’ population is about 27 million), and each of the two cities in the survey support about 1,000 pest control firms. Texas, by comparison, supports about 3,000 firms statewide.
In addition to dense urban populations, city residents are highly mobile. In one of the cities, the transient population (recent arrivals from the countryside and other cities) was estimated at 78 percent. Such conditions seem tailor-made for bed bugs, which are easily transported in luggage. In addition, in the winter, most of the population in the two cities simply vanishes into the countryside for the very important Spring Festival.
Surprisingly, until now, the bed bug has not been reported as a major, widespread pest in China; though according to this survey, that may be changing. A preliminary survey of 11 companies from the two cities estimated that 35 percent of all accounts being treated involved bed bugs. In examining the records of two medium- to large-sized pest control firms, 29 to 42 percent of all service visits involved bed bug infestations. In the largest city, Shenzhen, 91.1 percent of all rooms in apartments treated were infested with bed bugs, and 56 percent of workers’ quarters were treated for bed bugs. In the neighboring city of Dongguan, 83.7 percent of serviced apartments had bed bugs, and 61 percent of workers’ quarters treated were infested.
By the way, China has double trouble with both the tropical bed bug, Cimex hemipterus, and the common bed bug, C. lectularius.
With its 1.3 billion citizens, China is a huge pest control market. The same with Mexico and other Latin American countries. I’ve been thinking about this because the U.S. is hosting the International Congress on Entomology (ICE) in 2016 in Orlando, Fla. This will be the largest gathering of entomologists in the world, including top experts in urban and structural pest control. It seems to me PMPs, as well as research and extension entomologists, have a lot to learn about the way pest control is conducted in other countries. So if you are ready to learn more about your global partners in pest control, consider making a trip to ICE next year.
Editor’s note: See the original journal article here: http://jme.oxfordjournals.org/content/52/1/76.Explore the December 2015 Issue
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