Leptotarsus albistigma
In 3 days ~10% in a week ~30%
Leptotarsus albistigma is a species of crane fly native to New Zealand. The species was first described as Macromastix albistigma by Frederick Wallace Edwards in 1923. Edwards described the species as follows: Differs from M. viridis as follows: Middle praescutal stripe obsolete, lateral pair conspicuously darker. Abdomen duller, more ochreous, tip not darkened, with rather broad lateral bands of grey dusting on all tergites except first. Hypopygium smaller, the claspers with a slightly different structure. Legs lighter in colour. Wings distinctly brown-tinged, lower pre-arcular cell, costal and subcostal cells, base of cell R2 and veins dark brown; stigma conspicuously whitish-ochreous. Cell M1 sessile in some specimens; cell Ax broadest in the middle. Length of body, ♂ 16–17 mm., ♀ 17–20 mm.; wing, 18–23 mm.; halter, about 3 mm.; hind leg, ♀ 45–50 mm.
Leptotarsus albistigma is pale green in colour. The species' eggs are elliptical and 0.75mm in length. The larvae are between 16.5 mm and 20 mm in length, are moderately flattened and are a cinnamon-like light-brown colour.
In 1924, Charles Paul Alexander classified the species into a subgenus, Chlorotipula... Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|
More parks will be added in future updates.
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Auckland | 🇳🇿 New Zealand |
With luck
About 10% of wildlife watchers report a Leptotarsus albistigma sighting in Auckland on a given day, based on 18 verified sightings from GBIF citizen-science data. It is the 291st most-seen of the 689 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.
March and April
In those months about 10% of wildlife watchers report a Leptotarsus albistigma in Auckland on a given day, against under 5% in May to February, the lowest months.
Only Auckland, in our data
Auckland is the only city on Wallace's Line with enough records to rate Leptotarsus albistigma sightings: about 10% of wildlife watchers there report one on a given day.
GBIF citizen-science records
It is estimated from how often the Leptotarsus albistigma is recorded against all the insects logged in Auckland (18 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.
