Lubber Grasshopper

"Lubber grasshopper" is a common name applied to a group of large, heavy-bodied grasshoppers in the family Romaleidae, found across the Americas from the southern United States through Mexico and into South America. The name reflects their characteristically clumsy, lumbering movement, a result of short or reduced wings that leave most species unable to fly, or only capable of brief, weak flight.

Different genera and species of lubber grasshoppers occupy a range of habitats, from the arid grasslands and deserts of the American Southwest, home to species such as the plains lubber (Brachystola magna) and horse lubber (Taeniopoda eques), to the wetter grasslands of the southeastern United States, where the well-known eastern lubber occurs. Despite their limited flight, lubbers are often conspicuous insects due to their large size and, in many species, brightly contrasting or warning coloration.

Because they move slowly and rely on ground travel rather than flight to escape predators, many lubber species have evolved alternative defenses, including bold coloration, hissing sounds, and the release of foul-smelling secretions when disturbed, all of which serve as visual and chemical warnings to potential predators.

• Large, heavy-bodied grasshoppers, generally bigger and stockier than typical field grasshoppers.
• Short, non-functional or poorly developed wings in most species, limiting flight.
• Coloration varies by species and region, from dull brown and tan (plains lubber) to bold black, yellow, and red patterns (eastern lubber, horse lubber).
• Thick hind legs adapted more for walking and short hops than for powerful jumping.
• Slow, deliberate movement compared to smaller, more agile grasshoppers.
• Distinguished from other grasshopper families mainly by their large size, reduced wings, and lumbering gait.

Lubber grasshoppers occur across a broad range of open habitats in the Americas, including arid grasslands, deserts, scrublands, and moist coastal plains, depending on the species. Different lubber species are adapted to distinct regional habitats, from the dry Southwestern deserts to the humid grasslands of the southeastern United States and tropical grasslands further south.

As generally poor or non-fliers, lubber grasshoppers rely on walking, hopping, and defensive behaviors rather than escape flight to avoid predators. Many species feed on a wide variety of grasses, forbs, and shrubs, occasionally becoming locally abundant enough to affect vegetation in gardens or rangeland. Their slow movement and often bright coloration are thought to signal unpalatability to predators, and several species produce hissing sounds or foamy secretions when disturbed as an additional deterrent.

Females lay egg pods in the soil, typically in late summer or fall, and eggs generally overwinter before hatching the following spring. Nymphs develop through incomplete metamorphosis over several instars, often taking longer to mature than smaller grasshopper species due to their larger adult size. Most lubber species complete one generation per year.