Mormon Cricket

The Mormon Cricket (Anabrus simplex) isn't actually a cricket at all—it’s a giant, flightless shield-backed katydid with a legendary appetite. Famous for its 1848 "invasion" of Utah, these insects are known for forming massive, marching swarms that can span miles. While they look like armored invaders from a sci-fi movie, they are a fascinating (if slightly ravenous) part of the Western North American ecosystem.

🔍 How to Identify

• 🛡️ The Shield: They possess a large, saddle-shaped plate called a "pronotum" that covers their thorax, giving them a distinct, armored appearance.
• 🚫 Flightless Form: Despite their large size, they lack functional wings. You will only see tiny, vestigial wing pads hidden under their shield.
• 🗡️ The "Stinger": Females have a long, sword-like tube (ovipositor) extending from their rear. While it looks intimidating, it is strictly used for drilling into the soil to lay eggs.
• 🎨 Color Variance: They aren't just one color; depending on their environment and population density, they can range from earthy browns and blacks to vibrant greens or even deep purples.

🌲 Habitat & Ecology

• 🌾 A Voracious Diet: These insects are opportunistic omnivores. They primarily feast on sagebrush, forbs, and grasses, but they are also known to eat other insects—including their own kind—if they lack salt or protein.
• 🚜 The Great Migration: When populations become crowded, they enter a "migratory phase." Thousands of individuals will begin crawling and hopping in the same direction, traveling up to a mile a day in search of new food sources.
• 🏜️ High Desert Dwellers: You’ll most commonly find them in the rangelands and sagebrush steppes of the Western United States, particularly in Idaho, Utah, and Nevada.

⚠️ Safety & Toxicity

• 🦗 Painless but Pinchy: Mormon Crickets are not venomous and do not have a stinger. However, they have very strong mandibles designed for crushing tough plant matter; if you pick one up, it may deliver a defensive pinch.
• 🚗 Road Hazards: In large swarms, they can become a safety hazard on roads. When they are crushed by cars, their remains become incredibly slick, creating "black ice" conditions for drivers.
• 🐾 Pet Safety: They are generally harmless to pets, though a dog or cat that eats too many might experience an upset stomach from the insect's tough chitinous shell.

✨ Fun Fact

The Mormon Cricket is responsible for the "Miracle of the Gulls." In 1848, the first settlers in Utah were saved from a devastating cricket swarm by thousands of California Gulls that arrived to feast on the insects. To this day, the California Gull is the state bird of Utah in honor of that event!