Insect sense of smell tester

The utility model provides an insect sense of smell tester, it has the test space including top cap and end box in the end box, and the top cap covers to seal the test space on end box and constitutes the test box, is equipped with intake pipe and the outlet duct that feeds through with the test space on the test box, and the middle part that lies in the test space on the top cap has a gas outlet and is equipped with the outlet duct, and the both sides of gas outlet have 2 air inlets and are equipped with the intake pipe respectively on the top cap, outlet duct and intake pipe and test space intercommunication. Furthermore, the degree of depth of the test space is 0.5-1.5cm in the end box, test space ovalisation, and the major axis of the test space is 8-15cm, the minor axis is 4-8cm, and the interval of 2 air inlets on the top cap is 4-10cm. It is further again, the top cap is transparent plastic panel. The utility model discloses the especially adapted sense of smell characteristics that are used for testing small insects have simple structure, test accuracy and convenient to use's characteristics.