Insects outnumber us 200 million to one. They thrive in environments where humans wouldn’t last minutes. We mostly perceive them as pests - yet without bugs, entire ecosystems would collapse, crops ...

THE general features of this study in insect anatomy have already been noticed (NATURE, vol. xliii. p. 77). Part II. describes the exoskeleton in considerable detail, and contains many useful and ...

Cross sections of the body of a wood beetle reveal the tracheal tubes (see arrows) through which the insect draws in air. Studies show that these tubes actively expand and contract, just like human ...