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Species · True flies

Square-spot Deerfly

Chrysops viduatus

586Records since 2000
JulyPeak month
28Counties with records

When it is recorded

Jan0
Feb0
Mar1
Apr0
May6
Jun129
Jul390
Aug41
Sep1
Oct2
Nov0
Dec0

GBIF records by month, 2000–2025 (all years combined).

Where it is recorded

#CountyNationRecordsShare
1Norfolk England153
2Suffolk England47
3Dorset England47
4Devon England31
5Surrey England24
6Worcestershire England24
7Cumbria England20
8Ceredigion Wales18
9Wrexham Wales11
10Somerset England10
11Cheshire East England9
12Gwynedd Wales8
13Swansea Wales8
14Oxfordshire England7
15Cornwall England7
511 England1 Scotland66 Wales

Records per county (GADM level 2) and per nation; one record can count towards several areas. 28 counties in all.

About this species

Records since 2000
586
Peak month
July
Counties with records
28
Scientific name
Chrysops viduatus
Group
True flies
NBN Atlas records since 2000
559
Most recorded in
Norfolk
Conservation designations
GB Red List (2001 IUCN criteria), Rare and scarce species
Kingdom
Animalia
Phylum
Arthropoda
Class
Insecta
Order
Diptera
Family
Tabanidae
Genus
Chrysops
Name with authority
Chrysops viduatus (Fabricius, 1794)
Described
1794
Contributing datasets
13

Sources: GBIF occurrence data (CC0 / CC BY), JNCC Taxon Designations (OGL), NBN Atlas (open licences), Wikidata (CC0) · Wikidata Q14364804 · GBIF 1497139