Mondal Rajendra Prasad, Ghosh Anupam, Bandyopadhyay Subhasis, Chandra Goutam
Department of Parasitology Laboratory, Mosquito & Microbiology Research Units, The University of Burdwan, Burdwan, India.
Indian J Med Res. 2014 Oct;140(4):551-5.
BACKGROUND & OBJECTIVES: Culex quinquefasciatus is the principal vector of lymphatic filariasis (LF). Application of alternative vector control methodologies are aimed at reduction of mosquito breeding sites and biting activity through the use of biological control methods. In the present study, functional response of aquatic Hemipteran backswimmer, Anisops sardea was assessed against Cx. quinquefasciatus larvae in laboratory bioassay.
The functional respons of A. sardea was assessed against III(rd) instar larvae of Cx. quinquefasciatus. Respective handling times and coefficient of attack rates were determined by a non linear polynomeal regression equation.
The results of rates of predation in variable prey densities exhibited a 'linear rise to plateau curve', associated with 'Type -II' functional response. The logistic regression estimated a significant negative linear parameter (P(1) <0) which also supported the same observation. Associated 'attack rates' and 'handling times' were also calculated using the Holling Disc Equation.
INTERPRETATION & CONCLUSIONS: The results of present experiments indicate that A. sardea can be used as a biocontrol agent against the larval forms of Cx. quinquefasciatus in temporarily available breeding places of mosquito with relatively clear water. However, a detailed field study has to be done to confirm these findings.
致倦库蚊是淋巴丝虫病（LF）的主要传播媒介。应用替代病媒控制方法旨在通过生物控制方法减少蚊虫滋生地和叮咬活动。在本研究中，在实验室生物测定中评估了水生半翅目仰泳蝽Anisops sardea对致倦库蚊幼虫的功能反应。
评估了A. sardea对致倦库蚊三龄幼虫的功能反应。通过非线性多项式回归方程确定各自的处理时间和攻击率系数。
在不同猎物密度下的捕食率结果呈现出“线性上升至平稳曲线”，与“II型”功能反应相关。逻辑回归估计出一个显著的负线性参数（P(1) <0），这也支持了相同的观察结果。还使用Holling圆盘方程计算了相关的“攻击率”和“处理时间”。
本实验结果表明，在蚊子相对清澈的临时滋生地，A. sardea可作为一种生物控制剂来对抗致倦库蚊的幼虫形态。然而，必须进行详细的实地研究以证实这些发现。
