Show mole crickets ears are little oval knee patch the queerest thing on a mole crickets leg is the little oval patch on its knee this is a piece of tightly stretched membrane corresponding with the drum of a human ear this arrangement gives the fh e mole cricket a great advantage over other insects enabling it to hold its two ears very wide apart and then gauge the direction and distance of a sound by comparing the two iwo signals received the comparison observes a writer in pearsons london weekly is made instinctively the common housefly house fly is only one of thousands of insects which can walk upside down because they suck with their feet the two little suction pads on a flys foot they are something like the little rubber suckers used for attaching notices to glass windows only they are sticky when walking right way up or on a rough surface flies use their claws as their suction pads are delicate organs which must i be spared unnecessary wear and tear two little knobs on stalks just below the base of the wings are called balancers because they are used in the same way as a tightrope walker uses his long pole the crane fly or daddy long legs has much larger balancers which can easily be seen when the insect is in flight if these are cut off it flounders about and not mt even the long legs can save it though it can fly quite easily when one or two legs are missing |