某军事演习区域蠓虫危害调查及防治措施探讨

Study of the harmfulness and prevention on sandfly in the military maneuver field

目的某军事演习区域蠓的危害性调查和防治方法研究。方法调查蠓的活动规律、刺叮指数,观察化学防治和个体防护措施的效果。结果该区域蠓种主要为库蠓和蔑蠓,蠓虫密度最高在日落后1 h达121只/15 min,刺叮指数在日落后1 h最高达17次/15 min。530名进驻士兵,引起虫咬性皮炎症状较重占24.2%。室外用杀虫剂作超低容量喷雾和常量喷雾,喷药后1 h蠓虫密度下降率达98.2%,长效驱避剂现场试验100%保护时间能达6 h。结论某军事演习区域蠓对士兵健康威胁严重,蠓的防治必须采取以化学防治为主的综合措施。

Objective An investigation of the harmfulness and prevention in the military maneuver field was taken out for the curing methods against the Sandfly.Methods Methods of investigation on composition,action regularity,index of hemophagia,response after hemophagia were used in the study.Methods of chemical control and individual protection measures were used in curing of Sandfly.Results The sandfly in this area belong Culicoides and Lasiohelea.Density of Sandfly in the moment of 1 hour after sunset was 121/15 min.Index of hemophagia was 17/15 min in the moment of 1 hour after sunset.Of the 530 soldiers involved bited by sandfly,the major hazards of blood-sucking biting harassment,severe symptoms accounted 24.2%.Outdoor spaces 1 h later after either general spraying or ULV,the midges density decline rate of 98.2%,long-lasting repellent 100% protecting time was 6 h.Conclusion Military exercise area midges cause serious harm to the soldiers.The sandfly prevention must be taken to the comprehensive prevention and control strategies based on chemical control.