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2011 ; 2
(2
): 83-95
Nephropedia Template TP
gab.com Text
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English Wikipedia
Bed Bug Infestations and Control Practices in China: Implications for Fighting
the Global Bed Bug Resurgence
#MMPMID26467615
Wang C
; Wen X
Insects
2011[Apr]; 2
(2
): 83-95
PMID26467615
show ga
The bed bug resurgence in North America, Europe, and Australia has elicited
interest in investigating the causes of the widespread and increasing
infestations and in developing more effective control strategies. In order to
extend global perspectives on bed bug management, we reviewed bed bug literature
in China by searching five Chinese language electronic databases. We conducted
telephone interviews of staff from 77 Health and Epidemic Prevention Stations in
six Chinese cities in November 2010. We also conducted telephone interviews of 68
pest control firms in two cities during March 2011. Two species of bed bugs
(Cimex lectularius L. and Cimex hemipterus (F.)) are known to occur in China.
These were common urban pests before the early1980s. Nationwide "Four-Pest
Elimination" campaigns (bed bugs being one of the targeted pests) were
implemented in China from 1960 to the early 1980s. These campaigns succeeded in
the elimination of bed bug infestations in most communities. Commonly used bed
bug control methods included applications of hot water, sealing of bed bug
harborages, physical removal, and applications of residual insecticides (mainly
organophosphate sprays or dusts). Although international and domestic travel has
increased rapidly in China over the past decade (2000-2010), there have only been
sporadic new infestations reported in recent years. During 1999-2009, all
documented bed bug infestations were found in group living facilities (military
dormitories, worker dormitories, and prisons), hotels, or trains. One city
(Shenzhen city near Hong Kong) experienced significantly higher number of bed bug
infestations. This city is characterized by a high concentration of migratory
factory workers. Current bed bug control practices include educating residents,
washing, reducing clutter, putting items under the hot sun in summer, and
applying insecticides (pyrethroids or organophosphates). There have not been any
studies or reports on bed bug insecticide resistance. Difficulties of control
were noted in our surveys of dormitories in which crowded living, seasonal worker
migration, and financial constraints contributed to control failures. This study
supports the following conclusions: (1) the bed bug infestation in China
dramatically decreased following the campaigns from 1960 to the early 1980s; (2)
In our survey of Health and Epidemics Prevention Stations, no bed bug cases were
reported in Beijing and Shanghai for the past 12 months, but complaints were
reported in Guangzhou, Lanzhou, Urumqi, and Shenzhen; (3) Current bed bug
infestations primarily are reported in crowded living environments or transient
environments such as worker dormitories and military dormitories. These findings
suggest that community-wide bed bug monitoring and control campaigns are
necessary for effective control of bed bug infestations as a societal response.