62.007 BF1433 - Pyralidae - Phycitinae - Cryptoblabes bistriga
62.007 BF1433  – Double-striped Knot-horn  – Cryptoblabes bistriga  – (Haworth, 1811)
Adult Micro:  CAT 1 – Distinctive species unlikely to be confused with others –      
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Black – Uncertain/Unknown – Insufficient Data   
Taxonomy:   Micro   >>  Pyralidae  >> Phycitinae
ID Difficulty:  green  – easy to identify, generally distinctive and unlikely to be confused with other species.
ID pointers: Forewing reddish brown to purplish-brown with two white or creamy white cross bands. The basal cross line/band is narrower than the larger one at the apex/termen. This specimen was trapped 29th August 2012.
Distribution:  (Last record: 24 June 2025 at Birch Vale )  –  Unknown – In 1988 there were no records since 1928. Species is nationally local in Oak woodland or on Oak. Three recent records latest Birch Vale 24/6/2025
General Comment: None
Flight Period: April /  May /  June /  July /  August /  September –  On the wing during April – September. Moth Activity: Nocturnal  Crepuscular   – occasionally attracted to light Photographed: Yes –  Photographed By: Tony Davison, Jane Hewitt  © All Rights Reserved
*** Last updated on 18 January 2026 by RP ***
Wingspan: 18-20mm
Food Plant: Oak and Alder.
Last Recorded Year: 2025
Last Recorded By – Jane Hewitt
Last Recorded General Area – Birch Vale

Selected Images:  Melbourne, Derbyshire – Tony Davison© / Birch Vale 24/6/2025 – Jane Hewitt©



Temporal Distribution Chart
Adults: (between 2010 - 2025)
(click legend below to show/hide datasets)
This chart summarises all available historical occurrence records collated by ISO week of the year. It reflects recorder effort and sampling distribution as well as true biological activity, and should be interpreted as an indicative pattern of seasonal occurrence rather than a statistically controlled abundance or phenology model.

Distribution Map for Cryptoblabes bistriga

Found 4 records
    ↳ from 2026+
    ↳ 2 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 – Cryptoblabes bistriga

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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.

Visit NBN Site


Monthly Records By Year: Cryptoblabes bistriga
( data includes both Larvae and Adult Stages )

Monthly Counts By Year: Cryptoblabes bistriga
( data is based on 'Adult' stage records only )

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

Shading shows moth presence between dates

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

Hectad (10kmx10km) Coverage: Cryptoblabes bistriga
( data includes both Larvae and Adult Stages )

Flight Periods – Indicative –vs– Recorded Data
Cryptoblabes bistriga

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 - Cryptoblabes bistriga – 4 records available

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

Site Name Tetrad Date Count Stage Recorder Source RecordKey
Birch Vale SK08I 24/06/2025 1 adult Hewitt, Jane vc57_irecords_extract iBRC47544468
Woodland Ave SK43R 26/06/2021 1 adult Thorpe, Steve vc57_irecords_extract iBRC33498472
Melbourne, Derbyshire SK32X 29/08/2012 1 adult Davison, Tony vc57_irecords_extract iBRC45202600
Main Street, Kings Newton SK32Y 02/07/2010 1 Adult Soar, Will vc57_irecords_extract iBRC34677202

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