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Crickets have a cosmopolitan distribution, being found in all parts of the world with the exception of cold regions at latitudes higher than about 55° North and South. . They have colonised many large and small islands, sometimes flying over the sea to reach these locations, or perhaps conveyed on floating timber or by human acti
Wētā is a loanword, from the Māori-language word wētā, which refers to this whole group of large insects; some types of wētā have a specific Māori name. [2] In New Zealand English, it is spelled either "weta" or "wētā", although the form with macrons is increasingly common in formal writing, as the Māori word weta (without macrons) instead means "filth or excrement". [3]
Orthoptera (from Ancient Greek ὀρθός (orthós) 'straight' and πτερά (pterá) 'wings') is an order of insects that comprises the grasshoppers, locusts, and crickets, including closely related insects, such as the bush crickets or katydids and wētā.
The tree cricket Oecanthus fultoni. Dolbear's law states the relationship between the air temperature and the rate at which crickets chirp. [1] [2] It was formulated by physicist Amos Dolbear and published in 1897 in an article called "The Cricket as a Thermometer". [3]
The Oecanthidae are a recently (2022 [1]) restored family of crickets based on the type genus Oecanthus Serville, 1831.They include "tree crickets", "anomalous crickets" and "bush crickets" (American usage) and can be found in warmer parts of most of the world (not the northern Palaearctic, Nearctic or Antarctica).
Oecanthus fultoni's common name of the thermometer cricket is derived from a relationship between the rate of its chirps and the temperature. An estimate of the temperature in Fahrenheit can be made by adding 40 to the number of chirps made in 15 seconds. [3] Before 1960, the name Oecanthus niveus was wrongly applied to this species. [4]
Gryllotalpa gryllotalpa, commonly known as the European mole cricket, is widespread in Europe and has been introduced to the eastern United States. Its scientific name is derived from the Latin 'gryllus' ( cricket ); and 'talpa' ( mole ), because of the fine dense fur which covers it and its subterranean habits, [ 2 ] and because of the mole ...
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. It tends to be absent in most of the southwestern United States including southern California.