New answers tagged entomology
Synthesizing spider silk seems to be developing quickly, but for 3D printing we need not just synthetic spider silk, but a liquid form that can solidify once printed. I would imagine it is going to be two or more liquids mixing together at the printhead and then bonding and solidifying with the adjacent layers, like spider silk epoxy.
I've usually observed wild Indian Bees (Apis cerana) orient their hives in an East-West direction. The entrances are usually oriented towards the Sun. This is purely from my own observation (in South India) and not from any research.
Do you ask for examples of non-flying insects which ancestor were flying? In other words do you ask for examples of insect lineages that lost the ability to fly? The ability to fly arose with the clade called the Pterygota. All species from this monophyletic taxon come from ancestors that had once the ability to fly. You can just seek through the tree of ...
Silverfish, also known as Lepisma (order Zygentoma), does not fly and does not descend from flying ancestors. It's close to Archeognatha, which don't fly either nor descend from flying ancestor.
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