Life Lines by Dr. Dolittle

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Tag Archive for ‘Grasshopper’

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Benefits of reproduction outweigh costs to locomotion

Christopher Ringer, an undergraduate student in the laboratory of Dr. Kate Feller at Union College also shared his research at the American Physiology Summit last month. His research examined the impact of reproductive weight gain on a female locust’s ability to jump. Gravid female locusts (Schistocerca americana) carrying eggs gain as much as 40% additional body mass. Despite this weight gain, they can still jump high and far when necessary. […]

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Grappling with gravidity

In humans, pregnancy can be an uncomfortable time as the growing fetus makes it more difficult to breathe. It can also become more difficult for the expectant mother to get around. It may be surprising to find out that grasshoppers may develop similar issues when they are ‘expecting’. In fact, a gravid grasshopper can carry an egg mass that makes up as much as 40% of their weight! Could you […]

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