Carolina Grasshopper - Dissosteira carolina
Order Orthoptera -- criquet-locustes, gafanhoto, grasshoppers, grilo, locustes, locusts, sauterelles
Suborder Caelifera / Family Acrididae -- grasshoppers, short-horned grasshoppers
Species Dissosteira carolina (Linnaeus) -- Carolina grasshopper, criquet de la Caroline, Carolina Locust
Live adult locusts photographed at Winfield Mounds Forest Preserve and the Morton Arboretum, DuPage County Illinois, USA.
 

Carolina Grasshopper - Dissosteira carolina
This insect is sometimes called the Carolina locust. It is less destructive than most other species in the genus.
One distinguishing characteristic is the high, narrow ridge down the center of the pronotum. They are found throughout North America.
There are more than 20,000 species in the order Orthoptera. These diverse insects are found worldwide, although their numbers are concentrated in the tropics. They vary in size from less than 5mm to monster-big grasshoppers over 4 inches long, with 10-inch wingspans. Orthopterans are some of the most common insects in many landscapes, and the order includes some of the most destructive agricultural pests in the locusts and katydids. Most eat plants, but some species are omnivorous.

Females typically lay clutches of eggs either in the ground or on vegetation. Grasshoppers, crickets and katydids are all wee-known for their jumping ability as well as the singing performed by the males (females are generally silent.)  Grasshoppers are almost all active in the daytime, but crickets are nocturnal. Katydids are thought to be nocturnal, but I see an awful lot of them out and about when the sun is shining. There are few places on earth where the calls of these intriguing insects are not heard nearly constantly during the warm months.

The first fossil records of the order appear in the upper Carboniferous, or Pennsylvanian era, 310 - 290 million years ago.

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