Gryllotalpa orientalis
In 3 days ~10% in a week ~20%
Gryllotalpa orientalis is a species of mole cricket in the family Gryllotalpidae, commonly known as the oriental mole cricket. It is found in much of Asia and Australasia. At one time, this species was misidentified as G. africana and thought to have a widespread distribution in both Africa and Asia, but in the 1980s, G. orientalis was recognised as a separate species. It is a polyphagous pest, damaging crops by gnawing their roots.
This mole cricket is plump, yellowish-brown, and paler beneath, and about 20 mm long. It has short filiform antennae, fore legs designed for digging, and a large, oblong pronotum. The wings project slightly from beneath the fore wings. After mating underground, the female builds a nesting chamber deep in the soil and lays about 200 oval eggs that hatch after 10 days. The nymphs remain in their nest for the first 2-3 weeks, guarded by the female. A newly hatched nymph has a blueish-white prothorax and legs. Later instars are grayish-black with white markings, and the last nymphal stage is similar to the adult and exhibits short wing pads. The whole lifecycle lasts for 1-3 years depending on the climatic conditions. The adults... Wikipedia →
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More parks will be added in future updates.
Rare
Under 5% of wildlife watchers report an Oriental Mole Cricket sighting in Hong Kong on a given day, based on 7 verified sightings from GBIF citizen-science data. It is the 868th most-seen of the 1125 insects we can rate there. Over three days the chance rises to about 10%, and over a week to about 20%, if each day is a fresh chance.
Any time of year
In every month with enough records, under 5% of wildlife watchers report an Oriental Mole Cricket in Hong Kong on a given day, so our monthly data shows no clear season.
14th of 14
Of the 14 cities where we can rate Oriental Mole Cricket sightings, Hong Kong ranks 14th at under 5%. The best odds are in Daejeon (South Korea, about 20%), Sapporo (Japan, about 10%) and Nagoya (Japan, about 10%).
Same order: Orthoptera
The closest relatives of the Oriental Mole Cricket that you can see in Hong Kong (order Orthoptera, Grasshoppers, Crickets, and Katydids) are Carinate Locust (about 10%), Ceracris nigricornis (about 10%) and Short-Winged Rice Grasshopper (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Oriental Mole Cricket is recorded against all the insects logged in Hong Kong (7 verified sightings), calibrated against known sighting rates. Figures are rounded to the nearest 10% because citizen-science data supports honest approximations, not decimals, and months with records from fewer than five people show "—". How it works.
