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Monthly Archives: January 2016
Living With Horns
Caterpillars in the family Sphingidae are noted for the horn on the abdomen. Like many other insect parts, the scale of the horn relative to the body size changes as the caterpillar develops. In the first instar tobacco hornworm larva, … Continue reading
Posted in by jjneal, Development, Taxonomy
1 Comment
Living With Chameleon Color
The Australian chameleon grasshopper has the unusual property of changing color. At low temperatures, males are black. At temperatures above 25C, they turn a bright blue in a process that takes about 30 minutes. If the temperature is lowered to … Continue reading
Posted in Biomaterials, by jjneal, Environment
2 Comments
Living With Changing Colors
The Indian stick insect, Carausius morosus, has the ability to change its color. When placed in the dark, its coloration darkens. In light, the process reverses. The color change occurs in less than one hour. How do they change color? … Continue reading
Posted in Biomaterials, by jjneal, Environment
1 Comment
Golden Beetles
Tortoise beetles can undergo rapid color change. Edward Barrows* observed these beetles in the laboratory and noted that they could change color from brownish orange with black spots to a metallic gold in as little as 120 s. If disturbed, … Continue reading
Posted in Biomaterials, by jjneal, Environment
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Living With Mosquitoes
The Zika virus link to microcephaly has set off alarms throughout the Americas. Brazil, the epicenter of Zika in the Americas went from 150 cases of microcephaly to over 4000. This has led the CDC to issue travel alerts, especially … Continue reading
Living With Daylighting
Urban streams can be an impediment to movement and land use. In the past, some streams have been engineered into underground pipes. This solves issues related to human movement, but can alter the macroinvertebrate composition. Occasionally, the process is reversed; … Continue reading
Posted in by jjneal, Environment, Policy
1 Comment
Insects of January
Warm days above freezing in January are a good time to look for winter stoneflies. Winter stoneflies emerge in the dead of winter and can be found basking on the sunny side of bridge piers. Stoneflies have a number of … Continue reading
Posted in behavior, by jjneal, Environment
1 Comment
Living With Insects Blog 