Category Archives: Physiology

Do male insects have sex hormones?

Written by Joe Ballenger This is a really good question, for a number of reasons. There are sources which claim that male insects don’t contain sex hormones, but as far as I can tell, this goes back to a 1995 … Continue reading

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DDT: The Situation Today

Written by Joe Ballenger I wanted to dedicate another post to some of my other concerns about the pro-DDT movement. When I read posts which advocate DDT reintroduction in the US, a small amount of attention is paid to issues … Continue reading

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Is oxygen the reason insects were so big way back when?

Written by Joe Ballenger I read a few things on the size of insects and the decrease of size from there ancestors to now are related to the oxygen levels from then to now. I was wondering if anyone has … Continue reading

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Why is spider silk so strong? Can we scale it up?

Written by Joe Ballenger Hi, I’m on a Lego League team with my school and we are wanting to know more about spiders for our research project. Some questions I hope you can help us with are, what makes a … Continue reading

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Striking Gold: Why Are Butterfly Chrysalises Gold?

  Written by Nancy Miorelli Many butterfly chrysalises glimmer in the sunlight with golden studs or gold leafing. Rather than looking like something living, these delicate pupa decorate the surrounding foliage like miniature ornaments.┬áTheir beauty and stunning brilliance has been … Continue reading

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Are Brown Widows as Dangerous as Black Widows?

Written by Joe Ballenger As a rule, Widows have pretty nasty venom. I was knocked on my butt for about 3 days after a bite I received from a Southern Widow (Lactrodectus mactans) after mishandling her. These sorts of incidents … Continue reading

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Never growing up: why are there insects which *don’t* go through metamorphosis?

Written by Joe Ballenger If someone begins a statement with ‘this might be a dumb question, but…’ my ears usually perk up, because it’s very likely that something interesting is about to follow. @Stylopidae whoa! this is a dumb question, … Continue reading

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