35.025 BF851  –  Gelechiidae –  Dichomeridinae – Dichomeris alacella – Black-spotted Snout – (Zeller, 1839) PDF Icon – click for General Verification Guidelines  |   PDF Icon – click for Specific Verification Guidelines
Brown –  Significant Record / Very Rare / Vagrant    
Taxonomy:   Micro   >>  Gelechiidae  >> Dichomeridinae
Other Name/s: Lichen Crest
ID Difficulty:  amber  – care required in the identification process, as confusion with similar species is likely – quality photographs required.
Confusion Species:  Bryotropha affinis – Dark Moss-moth; Stenoptinea cyaneimarmorella
Cyan Marbled; Neofriseria (singula and peliella)
ID pointers: The moth measured around 13/14mm. This is Stephen Palmer’s assessment of the moth – As was discussed with Dave, the main stumbling block at the beginning was being able to confirm it was a Gelechiid species and, if the hind-wing shape is not visible, the shape of the palps (the structures in front of the face) are a good guide. They curve up in front of and often over the head (some other families have this as well). In this case the palps weren’t present or visible making this a more complex task to ensure no other species of a different family was involved. When relatively fresh, as this one is, the forewing markings are definitive within both the Gelechiidae and other families of micros, none having the following combination of markings: The jet black forewing colour with two large, black, slightly offset spots at one third followed by a thin, sometimes broken, line of pure white scales. A further rounder black spot at two-thirds again with an outer white line of scales. The broken, slightly curved, white, subterminal fascia, most obvious usually in the costal area, but a little more pronounced in this specimen at the tornus than usual. The cilia of the forewing having alternate white and black patches. The combination of these markings and the broader wing shape with the wings held in a slightly triangular shape help to exclude the two species of Neofriseria (singula and peliella). This pair also have a slightly different arrangement of the spots and white markings in the forewing and, critically, they lack the chequered fringes of alacella. Dave also provided a wingspan of 13-14mm which is spot-on for this species. The head colour was initially a bit of a concern, but looking at various books, MBGBI (Vol 4.2) mentions that a paler front to the face is known and looking at Lepiforum, one or two of their photos of the moth show some paler scales near the top of the head. The Gelechiid Recording Scheme website has a few photos of this species which may be of interest: https://gelechiid.co.uk/species/dichomeris-alacella
Distribution:  (First record: 10 July 2025 at Belper )  –  (Last record: 10 July 2025 at Belper )  –  A new species for VC57 Derbyshire when one was attracted to mv light overnight on 10th July 2025 in Belper. The details of the moth were sent to Stephen Palmer for his assessment and determination. Stephen accepted the details and the photograph and confirmed the record as D.alacella It is a very scarce and decline species and a seriously good county record. A Nationally Scarce B species.
Flight Period: July /  August /  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: 13-14mm
Food Plant: Lichens and mosses
Last Recorded Year: 2025
First Recorded Year: 2025
Last Recorded By – Dave Evans
Last Recorded General Area – Belper

Selected Images:  

1st VC57 record – Belper 11/7/2025 – Dave Evans©



Distribution Map for Dichomeris alacella

Found 1 records
    ↳ 1 from After 2025
    ↳ 0 from 2020 - 2024
    ↳ 0 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 – Dichomeris alacella

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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: Dichomeris alacella
( data includes both Larvae and Adult Stages )

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


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

Shading shows moth presence between dates

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Recordings By Year: Dichomeris alacella
( All data includes both Larvae and Adult Stages )
Annual Growth Rate (AGR): Dichomeris alacella
AGR: 0%   |   Total % Change: 0%
Dichomeris alacella
Insufficient records/data for an AGR analysis
Years Analysed: 2000 – 2025
Dichomeris alacella
Insufficient records/data for a CUSUM analysis
Years Analysed: 2000 – 2025

Hectad (10kmx10km) Coverage: Dichomeris alacella
( data includes both Larvae and Adult Stages )

Flight Periods – Indicative –vs– Recorded Data
Dichomeris alacella
( data includes Adult Stage only )

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 2020-2025.

Records Behind the Map and Charts - Dichomeris alacella – 1 records available

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

Site NameTetradDateCountStageSource
BelperSK34U10/07/20251adultvc57_irecords_extract

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