Parornix anglicella
In 3 days ~10% in a week ~30%
Parornix anglicella is a moth of the family Gracillariidae found in Asia and Europe. It was described in 1850, by the English entomologist Henry Tibbats Stainton, from a specimen from Lewisham, Kent. The wingspan is 9–11 mm. The head is ochreous-whitish mixed with fuscous. Palpi white, apex of second joint and median band of terminal dark fuscous. Forewings are dark fuscous, irrorated with whitish; numerous costal strigulae, a spot in middle of disc and another posteriorly, and suffused dorsal strigidae interrupted by two blackish spots white; a black apical dot; cilia with three entire dark fuscous lines. Hindwings are grey. The larva is pale greenish-grey; dorsal line darker; spots pale; head pale greenish-brown; segment 2 with four black spots.
Adults are on the wing in two generations in April and May and again in August. Ovum Eggs are laid on the underside of the leaves of hawthorns (Crataegus species), but have also been recorded on medlar (Mespilus germanica), rowan (Sorbus aucuparia), wild service tree (Sorbus torminalis) and strawberries (Fragaria species).
Larvae Feeding starts in a gallery in the epidermis, which leads to a leaf margin... Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|
More parks will be added in future updates.
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Liverpool | 🇬🇧 United Kingdom |
Rare
Under 5% of wildlife watchers report a Hawthorn Slender sighting in Liverpool on a given day, based on 7 verified sightings from GBIF citizen-science data. It is the 521st most-seen of the 632 insects we can rate there. Over three days the chance rises to about 10%, and over a week to about 30%, if each day is a fresh chance.
October and November
In those months about 20% of wildlife watchers report a Hawthorn Slender in Liverpool on a given day, against under 5% in December to August, the lowest months.
Only Liverpool, in our data
Liverpool is the only city on Wallace's Line with enough records to rate Hawthorn Slender sightings: under 5% of wildlife watchers there report one on a given day.
GBIF citizen-science records
It is estimated from how often the Hawthorn Slender is recorded against all the insects logged in Liverpool (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.
