Records: Dyje River dead arm, Břeclav [7267], 48 ° 43 '09"N / 16 ° 54 ' 22 "E, lgt. JSy, det. JSy (2008); Myšník Pond, Č astotice [6762], 49 ° 14 ' 12 "N / 16 °06' 13 "E, lgt. JS (2006), det. JS (2008); Ohře River, Terezín [5450], 50 ° 30 '06"N / 14 °09' 39 "E, lgt. IS, det. IS (2005); Opatovický Brook, Ústí [6472], 49 ° 31 ' 19 "N / 17 ° 45 ' 48 "E, lgt. PK, SV, det. PK (2008); Panenská Pool, Nové Mlýny [7166], 48 ° 50 ' 41 ''N / 16 ° 43 ' 40 ''E, (Košel 1999 a); Radičeveská strouha Brook, Trnovany [5647], 50 ° 19 '00"N / 13 ° 35 ' 54 "E, lgt. IS, det. IS (2006); Reslava River, Pomezí nad Ohří [5939], 50 °05' 31 "N / 12 ° 15 '07"E, lgt. IS, det. IS (2005); Soutĕska Spring, Pavlovské vrchy [7165], 48 ° 51 ' 39 ''N / 16 ° 38 ' 46 ''E, (Košel 1999 a); Skluzavka Pool, Plošiny [7267], 48 ° 44 ' 17 ''N / 16 ° 53 ' 19 ''E, (Košel 1999 a); Sviní Brook, Kozlíky [5349], 50 ° 36 ' 43 "N / 13 ° 53 ' 11 "E, lgt. IS, det. IS (2005) (Figure 3).
Habitats: Dina lineata occurs in smaller or medium-sized stagnant and running water bodies or in springs in lowlands (150–250 m a.s.l.); rarely also in pond or river littorals in mid-elevations (about 450 m a.s.l.).
Status: Dina lineata is a rare species in natural habitats and commonly collected only in some lowland areas of the Czech Republic.