63.002 BF1368  – Mugwort Pearl – Loxostege sticticalis – (Linnaeus, 1761) Adult Micro:  CAT 1 – Distinctive species unlikely to be confused with others –       PDF Icon – click for General Verification Guidelines  |   PDF Icon – click for Specific Verification Guidelines
Green –  Rare / Uncommon / Scarce       orange – Migrant
Taxonomy:   Micro   >>  Crambidae  >> Pyraustinae
Other Name/s: Diamond-spot Pearl
ID Difficulty:  green  – easy to identify, generally distinctive and unlikely to be confused with other species.
ID pointers: Forewing brownish with two darker markings about two thirds along the fore-wing. Wing fringe bordered whitish. Can sometimes show a single white square in the central forewing.
Distribution:  (First record: 24 July 2013 at Belper )  –  (Last record: 24 July 2013 at Belper )  –  A rare immigrant usually arrives during late summer – This specimen was a first county record trapped on 24th July 2012.
General Comment: None
Flight Period: July /  August /  September –  On the wing during July – September. Moth Activity: Nocturnal   – and is attracted to light Photographed: Yes –  Photographed By: Dave Evans  © All Rights Reserved
*** Last updated on 2 October 2025 by RP ***
Wingspan: 24-29mm
Food Plant: Mugwort (Artemisia vulgaris) and Field Wormwood (A. campestris).
Last Recorded Year: 2013
Last Recorded By – Dave Evans
Last Recorded General Area – Belper

Selected Images:  Belper, Derbyshire – Dave Evans©



Occurrence Distribution From All Available Data (Adult & Immature)
(click legend below to show/hide datasets)

Distribution Map for Loxostege sticticalis

Found 2 records
    ↳ from 2026+
    ↳ from 2020 - 2025
    ↳ 2 from Before 2020
Flying
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

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Bedrock Geology ** indirectly affects moth distribution by influencing the type of habitat and food plants available in an area. In turn, this may affect the types of moths that can thrive, or where they can most likely be found.


NBN Atlas UK Distribution for – Loxostege sticticalis

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Note – the NBN Atlas datasets are listed in the map below and vary in their currency (uptodateness) – however, the map does give a general indication of the moth's distribution across the UK.

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Monthly Records By Year: Loxostege sticticalis
( data includes both Larvae and Adult Stages )
No data returned from the database.

Monthly Counts By Year: Loxostege sticticalis
( data is based on 'Adult' stage records only. )


First/Last Recorded Dates: Loxostege sticticalis
Adult-only & Anything [Larvae, Pupae, Adult, Mines]

Shading shows moth presence between dates

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Recordings By Year: Loxostege sticticalis
( All data includes both Larvae and Adult Stages )
Annual Growth Rate (AGR): Loxostege sticticalis
AGR: 0%   |   Total % Change: 0%

Hectad (10kmx10km) Coverage: Loxostege sticticalis
( data includes both Larvae and Adult Stages )

Flight Periods – Indicative –vs– Recorded Data
Loxostege sticticalis

Flight Period chart – the grey hatched area above, which can cross one or more months, pictorially represents the best guess we have for this moth's flight periods [month/s]. The coloured lines represent the actual months seen in flight, from site observation records received between 2020-2026.

Records Behind the Map and Charts - Loxostege sticticalis – 2 records available

Listed by Year - descending - scroll across to see all table columns

Site NameTetradDateCountStageSource
BelperSK34U24/07/20131adultvc57_irecords_extract
Findern Close, BelperSK34P24/07/20121Adultvc57_danes_bc_data

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