Tachinus bipustulatus

Key Details

Taxonomic Groups: Invertebrate > insect - beetle (Coleoptera) > Rove beetle (tachyporine)
Red List Status: Critically Endangered (Not Relevant) [CR(nr)]
D5 Status: Included in the baseline Red List Index for England (Wilkins, Wilson & Brown, 2022)
Section 41 Status: (not listed)
Taxa Included Synonym: (none)
UKSI Recommended Name: Tachinus bipustulatus
UKSI Recommended Authority: (Fabricius, 1792)
UKSI Recommended Qualifier: (none specified)
Red List Citation: Lane, 2019
Notes on taxonomy/listing: (none)

Criteria

Question 1: Does species need conservation or recovery in England?
Response: Yes
Justification: A very rare species that was formerly scarce but widespread. It is considered to be a southern species at the edge of its range in England. Until relatively recently the last records were from Windsor Forest in the 1930's. It was recently (2018) rediscovered in Suffolk on Goat Moth (Cossus) induced sap runs on an Oak at an undisclosed site and may have a particular association with Cossus damaged trees and sap runs.
Question 2: Does recovery/ conservation depend on species-specific actions?
Response: Yes
Justification: Recent rediscovery and currently uncertain status in England require targeted survey. Apparent close association with Goat Moth (a BAP priority species itself) damaged trees gives a specific conservation priority.
Question 3: At a landscape scale, would the species benefit from untargeted habitat management to increase habitat mosaics, structural diversity, or particular successional stages?
Response: No
Justification: Seemingly very rare and with quite specific ecological requirements.

Species Assessment

Current step on the Species Recovery Curve (SRC): 6. Recovery solutions trialled
Recovery potential/expectation: Low - Relict or natural rarity
National Monitoring Resource: Opportunistic - insufficient
Species Comments: Potentially strong association with specific habitat features created by an uncommon species, coupled with rarity, mean recovery potential is likely to be limited.

Key Actions

Key Action 1

Proposed Action: Targeted surveys of Goat Moth damaged oaks using bottle traps or other trapping methods in East Anglia and South-East England - the most climatically favourable regions for the species and including the area where the only post-1930s record was made.

Action targets: 4. Autecology and pressures understood

Action type: Status survey/review

Duration: 3-5 years

Scale of Implementation: ≤ 50 sites

High priority sites: Suffolk, East Anglia, South-east England

Comments:

Key Action 2

Proposed Action: Engage with site/land managers to ensure Goat Moth damage is recognised and Goat Moth damaged trees (especially oaks) are retained and conserved wherever possible.

Action targets: 6. Recovery solutions trialled

Action type: Advice & support

Duration: 1 year

Scale of Implementation: ≤ 100 sites

High priority sites: East Anglia and South-east England

Comments: Engagement could be achieved through distribution of a key fact sheet illustrating signs of Goat Moth damage and highlighting the conservation importance of such damaged trees. Also important for conservation of Goat Moth, a BAP priority species.

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Acknowledgment:
Data used on this website are adapted from Threatened species recovery actions 2025 baseline (JP065): Technical report and spreadsheet user guide (Natural England, 2025). Available here.