We’re throwing a big number at you to start off this episode: 100 quadrillion. That’s a 1 followed by 17 zeroes, and that’s a rough estimate of how many ants there are crawling across the planet! This ...

DIAPAUSING pupae of some saturniid moths overwinter in an environment in which temperatures may drop to −30° C. In such conditions of cold and low humidity there are opportunities for pupae to ...

Honestly, I’m not sure what to say except that YouTuber Precarious333’s video of a Giant Texas Katydid (Neobarrettia spinosa) chirping, breathing, and grooming is way more captivating than I expected ...

THE presence of peripheral inhibitory nerves in insects is now well established and in many respects they seem to be similar to those in Crustacea 1–3. Their physiological properties are well defined ...

What might be mistaken for a waterslide in this image is actually the breathing tube, or trachea, of a dragonfly. This tube connects to openings in the insect's exoskeleton (outer “shell”) called ...

I was just wondering and my google-fu failed me, so over to you Ars hive mind. Can you solve this conundrum? Ants (and most insects) have circulatory systems that are extremely simple compared to ...