But insects like dragonflies don’t have lungs. Instead, they have a network of breathing tubes called tracheae that run throughout their bodies. These breathing tubes, composed of chitin, start at ...

Insects exhibit a remarkable diversity in auditory systems, which have evolved independently multiple times to facilitate intra‐species communication and predator avoidance. A prime example is ...

What am I looking at?This is an image of a fluorescently labeled grasshopper ovary. The breathing tubes are red/orange (1), the sheath that covers the ...

So it’s more likely that the mites colonize the tracheae, interfere with the insects’ ability to breathe, and thereby shorten their lifespans. David Robertson Huntingdon Valley, Pennsylvania ...