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Gryllidea [1] is an infraorder that includes crickets and similar insects in the order Orthoptera. There are two superfamilies, and more than 6,000 described species in Gryllidea. There are two superfamilies, and more than 6,000 described species in Gryllidea.
The family Gryllidae contains the subfamilies and genera which entomologists now term true crickets.Having long, whip-like antennae, they belong to the Orthopteran suborder Ensifera, which has been greatly reduced in the last 100 years (e.g. Imms [3]): taxa such as the tree crickets, spider-crickets and their allies, sword-tail crickets, wood or ground crickets and scaly crickets have been ...
All these insects have four tarsal segments and are probably more closely related to each other than they are to the true crickets, Gryllidae. [2] The body is cylindrical in most Grylloideans, but in some it is oval. The antennae are long and threadlike, except in the family Gryllotalpidae in which they are much shorter and brush-like.
Crickets are orthopteran insects which are related to bush crickets, and, more distantly, to grasshoppers.In older literature, such as Imms, [3] "crickets" were placed at the family level (i.e. Gryllidae), but contemporary authorities including Otte now place them in the superfamily Grylloidea. [1]
Gryllus is a genus of field cricket (Orthoptera, Gryllidae, Gryllinae). Members of the genus are typically 15–31 mm long and darkly coloured. [2] The type species is Gryllus campestris L.: the European field cricket.
Gryllus pennsylvanicus is known as the fall field cricket.G. pennsylvanicus is common in southern Ontario, is widespread across much of North America [3] [4] and can be found even into parts of northern Mexico.
Gryllinae, or field crickets, are a subfamily of insects in the order Orthoptera and the family Gryllidae. They hatch in spring, and the young crickets (called nymphs) eat and grow rapidly. They shed their skin eight or more times before they become adults. Field crickets eat a broad range of food: seeds, plants, or insects (dead or alive).
The body length is about 50 millimetres (2.0 in) in males and 70 millimetres (2.8 in) in females. The cricket is dark brown with a silky shimmer and yellowish underside and is covered with fine velvety hairs.