Scanning Electron Microscopy (SEM) allows for the photographing of objects the details of which can't be observed with the naked eye. The FEI corporation, among other things, manufactures electron microscopes and runs a competition each year to find the best SEM images.
This excellent grouping of 15 photos is a selection of SEM photographs of insects and arachnids. Visit the link to see more photos like the one above, which makes a maggot look like something out of a Tim Burton movie.
For more great SEM shots, the range of which extends far beyond the scope of insects, visit the FEI corporation's Flicker account.