
Source: Wikimedia Commons
Teleogryllus emma
The largest cricket on the Japanese mainland, 26-32 mm as an adult. The black markings around its compound eyes suggest the scowling face of Enma, the judge of the dead, which is what the Japanese name refers to. Its song is outstanding among the true crickets.
Teleogryllus emma is 26-32 mm as an adult and the largest cricket on the Japanese mainland. The upper side is uniformly blackish brown and the underside pale brown, with reddish tones along the flanks and forewings. Black markings surround the compound eyes, topped by pale brown bands like eyebrows, and the resemblance to the scowling face of Enma gives both the Japanese name and the specific name emma. By day it hides among vegetation and dead grass; at night it wanders about and comes to lights. The male raises his forewings and rubs them together in a rolling song, which shortens into clipped bursts when two males meet. It is single-brooded and overwinters as an egg: adults appear from about August to November, and the female drives her long ovipositor into the ground to lay eggs of about 3 mm one at a time. They hatch the following May or June.
Source: Wikipedia (CC BY-SA 4.0)
The Emma Field Cricket lives One year (single-brooded; adults live 1-2 months).
The Emma Field Cricket grows to 26-32mm.
Origin
East Asia; in Japan almost nationwide except the Nansei Islands
Lifespan
One year (single-brooded; adults live 1-2 months)
Size
26-32mm
Temperature
Edited & verified by: BreederDirect editorial team
The taxonomic, regulatory, and husbandry data on this page are compiled and verified against the authoritative primary sources below.
Accepted name: Teleogryllus emma (Ohmachi & Matsuura, 1951)
Authority databases: GBIF
Nomenclature follows global taxonomic authority databases.
Sources: CITES Appendices (species not listed)
Regulations may change. Always verify the latest information with the relevant authorities.
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20〜28℃
Humidity
60〜80%
Omnivorous: plant matter, carrion of small animals and seeds
No published figures for rearing temperature or humidity could be found for this species, so none are given. After laying, keep the container in the shade and damp, and the eggs will hatch the following spring. In a warm room hatching can come as early as the new year, shifting every stage forward by about three months and producing a second brood in the same year.
In mating the female mounts the male. Once fertilised she drives her long ovipositor into the ground and lays sausage-shaped eggs of about 3 mm one at a time. The eggs overwinter in the soil, absorbing moisture as they develop, and hatch the following May or June.
It is large, greedy and strongly built about the mouth, so keeping several together always carries a risk of cannibalism. Animal food such as dried bonito flakes lowers that risk considerably, though individuals are still lost while moulting. Smaller crickets such as the bell cricket will simply be eaten if housed with it.
It lives one year and is single-brooded, in step with the Japanese seasons. Adults appear from about August to November and live one to two months, during which they breed. The adults die in winter and the eggs carry the population through.
It is fairly easy to keep in a tank it cannot escape from, with a layer of soil, a flower pot or stones for shelter and a water source, and it is not fussy about food. Because it eats seeds it is treated as a pest in pasture and in autumn-sown leaf vegetables, so do not let captive stock escape near farmland.
Beginner. This is a beginner-friendly species. No special equipment or experience is required, and it can be kept successfully with basic care setup.
The average lifespan of Emma Field Cricket is One year (single-brooded; adults live 1-2 months). With proper care and nutrition, they can live a long and healthy life.
Emma Field Cricket typically reaches 26-32mm as an adult. Size may vary depending on care conditions and individual genetics.
Emma Field Cricket feeds on: Omnivorous: plant matter, carrion of small animals and seeds. Aim for a balanced diet with appropriate feeding frequency.
The price of Emma Field Cricket varies significantly depending on bloodline, size, captive-bred generation, and sex. Check our market price page for the latest pricing information.
Last updated: September 16, 2026