The world recently learned that the Islamic State in Iraq (ISIS) has resurrected a biological weapon from the second century. Scorpion bombs are being lobbed into towns and villages to terrorize the inhabitants. As the story goes, this tactic was used almost 2,000 years ago against the desert stronghold of Hatra which was once a powerful, walled city 50 miles southwest of Mosul. But this historical interpretation might be just a bit too quick.
What we know from the writings of Herodian, who documented the ancient attacks by Hatrians on Roman invaders, is that the people crafted earthenware bombs loaded with “insects.” The favored hypothesis is that these devices were loaded with scorpions. And it’s true that these creatures (although not insects) were abundant in the desert. In fact, Persian kings offered bounties for these stinging arthropods to ensure the safe and pain-free passage of lucrative caravans through the region. But the local abundance of scorpions is not sufficient to draw a conclusion.
Scorpions tend toward cannibalism, so packing a bunch of these creatures into canisters for any period of time would have been (and presumably still is) a problem. According to an ancient writer, powdered monkshood could be used to sedate scorpions, although at high doses this plant extract is insecticidal (how ISIS solves this problem is not evident). But there’s another problem with the scorpion hypothesis.
A Syrian account of the siege of Hatra specified that the residents used “poisonous flying insects” to repulse the Romans. But, of course, scorpions don’t fly. One possibility is that the natural historians of yore were thinking of the scorpionfly (a flying insect in which the male genitalia curl over the back and resemble a scorpion’s tail), but these are small creatures are found in damp habitats, not deserts. Another possibility is that ancient reports of scorpions becoming airborne during high winds account for flying scorpions, although such a remarkable phenomenon hasn’t been reported by modern biologists. Finally, some scholars speculate that the clay bombshells were filled with assassin bugs, which can fly and deliver extremely painful bites.
In the end, it seems likely that the Hatrian defenders and the ISIS militants latched onto the opportunities presented by the local arthropod fauna. But why would scorpions be so terrifying then or now? These creatures deliver a painful sting to be sure, but they are only rarely deadly. The responses of the Roman invaders and the Iranian townsfolk seem disproportionate to the consequences of being stung.
To understand why panic ensues when insects (or scorpions) rain down on a village, we must appreciate the evolutionary and cultural relationships between these creatures and the human mind. Our fear of insects and their relatives is rooted in six qualities of these little beasts—and scorpions score well.
- First, our reaction arises from the capacity of these creatures to invade our homes and bodies. Scorpions, with their nocturnal activity and flattened bodies, are adept at slipping under doorsills and hiding in our shoes, closets, and furniture.
- Second, insects and their kin have the ability to evade us through quick, unpredictable movements. While scorpions might not skitter with the panache of cockroaches, they are still reasonably nimble.
- Third, many insects undergo rapid population growth and reach staggeringly large numbers which threaten our sense of individuality. While scorpions are not particulary prolific, having them scatter from exploding canisters (as described in the modern attacks), surely generates a sense of frightening abundance.
- Fourth, various arthropods can harm us both directly (biting and stinging) and indirectly (transmitting disease and destroying our property). Scorpions certainly qualify in the former sense, as they are well-prepared to deliver a dose of venom that elicits intense pain, sometimes accompanied by a slowed pulse, irregular breathing, convulsions—and occasionally, death.
- Fifth, insects and their relatives instill a disturbing sense of otherness with their alien bodies. Scorpions are hideously animalistic, even rather monstrous being like a demonic blending of a crab, spider, and a viper in terms of their form and function.
- Sixth, these creatures defy our will and control through a kind of depraved mindlessness or radical autonomy. Scorpions can appear to be like tiny robots, with their jointed bodies and legs taking them into the world without regard to fear or decency.
Perhaps it is in this last sense that scorpions most resemble the ISIS assailants. Both seem to be predators, unconstrained by ethical constraints, maniacally and unreflectively seeking to satisfy their own bestial desires. Of course, we ought not to dehumanize our enemy—no matter how brutal his actions—by equating him with insects or their kin. (This rhetorical move has been made throughout history to justify horrible treatment of other people.) But perhaps this sense of amorality accounts for our fear of both ISIS and their unwitting, arthropod conscripts.
[…] Picture this: clay pots raining down from the sky, and when they break open, a bunch of deadly scorpions are deposited all over you, stinging and pinching and generally causing havoc. I don’t know about you, but to me, that’s the stuff of nightmares. If you’re so inclined, you can read more here. […]
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