Errata, Corrigenda & Comments | Key to subfamilies (p29) references Figs 80-82 (on p71). The key refers to vein M3+4 but the drawings call it Vein CuA1. Go by the general jizz of the diagrams. Changes to Sphaeroceridae since Pitkin, 1988 (extracted from Chandler, 1998/2012) Synonymy and corrections: Major changes only (generic redispositions are not repeated here). Sequence as Chandler, 1998 (8 Nov 2012 version) Copromyzinae: *Boroborillus nitidifrons* (Duda, 1923b) becomes *Norrobomia nilotica* (Becker, 1903). | Limosininae: *Minilimosina v-atrum* sensu Pitkin becomes *Limosina guestphalica* (Duda, 1918) | *Pullimosina moesta* sensu Pitkin becomes *Pullimosina vulgesta* Rohácek, 2001 [Corrected in Rohácek (2001)] | *Pullimosina antennata* (Duda, 1918) becomes *Pullimosina moesta* (Villeneuve, 1918) [Corrected in Rohácek (2001)] | *Rachispoda breviceps* (Stenhammar, 1855) sensu Pitkin was a species complex. *R. breviceps* s.s. was not confirmed to be British. | Sphaerocerinae: *Ischiolepta denticulata* sensu Pitkin becomes *Ischiolepta nitida* (Duda, 1920) | *Ischiolepta paracrenata* (Duda, 1920) becomes *Ischiolepta denticulata* (Meigen, 1830) | Additional species:Sequence as Chandler, 1998 (8 Nov 2012 version) Copromyzinae: Limosininae: *Limosina bicuspis* Rohácek, 1993 [Added by Holmes et al. (1991) as trogeri, confirmed by Rohácek (2001)] | *Opacifrons maculifrons*(Becker, 1907) [Added by Cole (2011)] | *Opalimosina calcarifera* (Rohácek, 1975) [Added by Holmes et al. (1991)] | *Pseudocollinella jorlii* (Carles-Tolrá, 1990) [Added by Gatt (2001)] | *Pullimosina dahli* (Duda, 1918) [Added by Holmes et al. (1991)] | *Rachispoda anceps* (Stenhammar, 1855) [Added by Rohácek (1991)] | *Rachispoda brevior* (Rohácek, 1991) [Added by Rohácek (1991)] | *Rachispoda gel* (Papp, 1978) [Added by Rohácek (1991)] | *Rachispoda intermedia* (Duda, 1918) [Added by Rohácek (1991)] | *Rachispoda kabuli* (Papp, 1978) [Added by Rohácek (1991)] | *Rachispoda longior* (Rohácek, 1991) [Added by Rohácek (1991)] | *Rachispoda modesta* (Duda, 1924) [Added by Rohácek (1991)] | *Rachispoda opinata* (Rohácek, 1991) [Added by Rohácek (1991)] | *Rachispoda segem* (Rohácek, 1991) [Added by Blythe (2012)] | *Spelobia belanica* Rohácek, 1983 [Added by Rohá?ek and Valentine (2002)] | *Spelobia clunipes* (Meigen, 1830) [Pitkin included Spelobia manicata (Richard, 1927)] | *Spelobia manicata* (Richard, 1927) [Pitkin synonymised with S. clunipes (Meigen, 1830)] | *Telomerina eburnea* Rohácek, 1983 [Added by Smith & Harvey (2006)] | *Thoracochaeta erectiseta* Carles-Tolrá, 1994 [Added by Rohácek & Marshall (2000)] | *Thoracochaeta johnsoni* (Spuler, 1925) [Added by Rohácek & Marshall (2000), ? introduced Nearctic species] | *Thoracochaeta lanx* Rohácek & Marshall, 2000 [Added by Rohácek & Marshall (2000)] | *Thoracochaeta seticosta* (Spuler, 1925) [Added by Rohácek & Marshall (2000), ? introduced Nearctic species] | *Thoracochaeta valentinei* Rohácek & Marshall, 2000 [Added by Rohácek & Marshall (2000)] | *Trachyopella bovilla* Collin, 1954 [Added by Holmes et al. (1991)] | Sphaerocerinae *Ischiolepta micropyga* (Duda, 1938 ) [Added by Han & Kim (1990)] | References BLYTHE, M. 2012. Rachispoda segem *(Rohácek) (Diptera, Sphaeroceridae) new to the British list from Worcester*. Dipterists Digest (Second Series) 19: 186. | CHANDLER, P. 1998 (extracted 29 Jan 2013) Diptera Checklist | COLE, J.H. 2011. In EDITOR. *Dipterists Day Exhibits 2009 and 2010* compiled by Editor from exhibitors’ notes. Dipterists Digest (Second Series) 18: 99-102. | GATT, P. 2001. Pseudocollinella jorlii *(Carles-Tolrá) (Diptera: Sphaeroceridae) new to Britain, and new records of Sphaeroceridae from Kenfig National Nature Reserve, Glamorgan*. British Journal of Entomology and Natural History 13: 197-201. | HOLMES, P.R., VALENTINE, J., BOYCE, D.C. & REED, D.K. 1991. *Lesser dung flies (Diptera: Sphaeroceridae) in Welsh peatlands*. Dipterists Digest 8: 6-13. | ROHÁCEK, J. 1991. *A monograph of *Leptocera *(*Rachispoda* Lioy) of the West Palaearctic area (Diptera, Sphaeroceridae)*. Casopis Slezského Zemského Muzea Opava (A) 40: 97-288. | ROHÁCEK, J. & MARSHALL, S.A. 2000. *A world revision of the seaweed fly genus *Thoracochaeta* Duda (Diptera: Sphaeroceridae: Limosininae)*. Part 2: Palaearctic species. Studia dipterologica 7: 313-372. | ROHÁCEK, J. & VALENTINE, J. 2002. *The first British record of* Spelobia (Spelobia) belanica* Rohácek, 1983 (Diptera, Sphaeroceridae)*. Dipterists Digest (Second Series) 9: 179-180. | SMITH, D. & HARVEY, P. 2006. Telomerina eburnea *Rohácek, 1983 (Diptera, Sphaeroceridae) new to Britain*. Dipterists Digest (Second Series) 13: 38. | Malcolm Storey 29 Jan 2102 |