African Tuesday: Heelwalkers

After ice crawlers (featured in a recent post) were officially recognized as a new order of insect in 1915, entomologists pretty much assumed that this was it, and no more discoveries of such magnitude were expected. After all, an order is a major unit of classification – elephants, turtles, and flies are examples of orders…

Ice-crawlers

Entomologists, unlike birders, usually do not keep life lists of insects, but seeing my first ice crawler (Grylloblattodea) was akin to checking off the first kiwi on a twitcher’s life list. These insects are a strange breed. Only twenty-eight species are known, and they are found only in colder regions of North America and the…