目前在防制蟑螂剂型上,采用药笔形式杀灭蟑螂,已为国内外所普遍接受。效果可靠,使用方便,成本低,是一种比较科学的施药方式。目前国内普遍采用可湿性粉剂(如2.5％溴氰菊酯)与石膏等填料混合直接加工成药笔,也有将药液加工成水或乳剂浸渍粉笔。前者用药单一,连续使用易形成抗药性;后者渗透力较低,原药分布不 Currently cockroaches in the control of dosage forms, the use of drug pen kill cockroaches form has been generally accepted at home and abroad. Reliable, easy to use, low cost, is a more scientific way of application. At present, the commonly used wettable powder (such as 2.5% deltamethrin) with gypsum and other fillers mixed directly processed into drug pen, but also the liquid processed into water or emulsion impregnated chalk. The former a single drug, continuous use easy to form resistance; the latter penetration is low, the original drug distribution