Search results
Results from the WOW.Com Content Network
Although "grasshopper" has been used as a common name for the suborder in general, [3] [4] [5] modern sources restrict it to the more "evolved" families. [6] They may be placed in the infraorder Acrididea [ 7 ] and have been referred to as "short-horned grasshoppers" in older texts [ 8 ] to distinguish them from the also-obsolete term "long ...
In Judaism, the Orthoptera include the only insects considered kosher. The list of dietary laws in the book of Leviticus forbids all flying insects that walk, but makes an exception for certain locusts. [16] The Torah states the only kosher flying insects with four walking legs have knees that extend above their feet so that they hop. [17]
Not all species of insects have frontal sutures, but in those that do, the sutures split open during ecdysis, which provides an opening for the new instar to emerge from the integument. The frons is that part of the head capsule that lies ventrad or anteriad of the vertex. The frons varies in size relative to the insect, and in many species ...
In counting legs, this list follows the conventions adopted in the relevant literature. For example, millipedes with gonopods are listed by numbers that exclude leg pairs that become gonopods. [2] [3] [4] Animals have been selected so that each number from 0 to 55 leg pairs has one example listed.
The Caelifera have a predominantly tropical distribution with fewer species known from temperate zones, but most of the superfamilies have representatives worldwide. They are almost exclusively herbivorous and are probably the oldest living group of chewing herbivorous insects.
The third instar is up to 2 cm long and the wing pads are triangular. The fourth instar has venation in its wing pads. The fifth instar is up to 3.5 cm long and the wing pads have changed position. By the sixth instar, the wings have elongated. [3] This species overwinters as an adult rather than in the egg, as many other grasshoppers do. [3]
Acrididae grasshoppers are characterized by relatively short and stout antennae (so they may be called "short-horned grasshoppers" [3]), and tympana on the side of the first abdominal segment. Subfamilies
Eumastacidae are a family of grasshoppers sometimes known as monkey- or matchstick grasshoppers. They usually have thin legs that are held folded at right angles to the body, sometimes close to the horizontal plane. Many species are wingless and the head is at an angle with the top of the head often jutting above the line of the thorax and abdomen.