''Oecanthus forbesi'', the Forbes' tree cricket, is a

species In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate s ...

tree cricket Tree crickets are insects of the Order (biology), order Orthoptera. These cricket (insect), crickets are in the subfamily Oecanthinae of the Family (biology), family Gryllidae. Description Tree crickets as well as most other crickets have tw ...

in the

family Family (from la, familia) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its ...

Gryllidae 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 ...

. It is found in

North America North America is a continent in the Northern Hemisphere and almost entirely within the Western Hemisphere. It is bordered to the north by the Arctic Ocean, to the east by the Atlantic Ocean, to the southeast by South America and the Car ...

Description

This species has a yellowish head with black markings on the first two antennal segments. ''O. forbesi'' is very similar to '' O. nigricornis''. The two species can be reliably separated only by the pulses per second (p/sec) of the male's song. The male sings by

stridulation Stridulation is the act of producing sound by rubbing together certain body parts. This behavior is mostly associated with insects, but other animals are known to do this as well, such as a number of species of fish, snakes and spiders. The mech ...

, and the p/sec increases with temperature. The song of the male below was measured at 55-56 p/sec in temperature of about 15 degrees Celsius (°C). Oecanthus forbesi-male stridulating.jpg, Photo of male stridulating Male Forbes Tree Cricket-stridulating.webm, Video of male stridulating Oecanthus forbesi-male stridulating.png, Sonograph of male stridulating

References

External links

forbesi {{gryllidae-stub