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Insect Info
Category Archives: Development
Living With Silk
This excellent video is a very good explanation of silk production:
Posted in behavior, by jjneal, Development, Insect Inspired
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Living With Uric Acid
In the larva stage of the tobacco hornworm, nitrogen waste is removed from the hemolymph and excreted by the digestive system. However, waste processing must drastically change during metamorphosis. A fully developed tobacco hornworm will drop from a plant to … Continue reading
Posted in behavior, Biomaterials, by jjneal, Caterpillar Blogging, Development
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Painting With Melanin
In insects, RNAi (RNA interference) is a useful technique to suppress genes and a powerful tool for understanding the function and interaction of genes. Liu & Colleagues* used RNAi to dissect genes important in creating color patterns in the large milkweed … Continue reading
Posted in by jjneal, Development, Environment
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Living With Drosophila Metamorphosis
The metamorphosis of a caterpillar into a butterfly is frequently presented as a stereotypic insect metamorphosis. The caterpillar cuticle splits along the dorsum (top) from the head through the thorax. The pupa squeezes out of the slit in the larval … Continue reading
Posted in behavior, Biomaterials, by jjneal, Development
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Living With Elytra
Beetles have the largest number of described species of any group of animals. Part of their success depends on the hard forewings (elytra) that protect the hind wings and allow beetles to invade areas that would destroy exposed membranous wings … Continue reading
Posted in by jjneal, Development, Taxonomy
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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
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What Are The Odds?
Centipedes are arthropods with many leg bearing segments that vary from 15 to 191 segments in mature adults. Out of thousands of species, none (zero!) have an even number of segments when they are mature. All have an odd number … Continue reading
Posted in by jjneal, Development
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Living With Insects Blog 