Sitona sulcifrons (Thunberg, 1798)

Balalaikins, Maksims, 2012, Latvian Entiminae (Coleoptera: Curculionidae): 3. Tribe Sitonini Gistel, 1856, Acta Biologica Universitatis Daugavpiliensis 12 (1), pp. 6-23 : 17-18

Sitona sulcifrons (Thunberg, 1798)

References: Seidlitz 1872 -1875, 1887 -1891; Rathlef 1905; Ozols 1963; Priedītis 1979; Barševskis 1993, 1997, 2002; Telnov et al. 1997; Telnov 2004; Spuņģis 2008; Bukejs 2011.

Examined material: 164 specimens: Aizkraukle d.: Aizkraukle , 21 June 1995 (2, clearing in broadleaf forest, leg. A. Barševskis) , Klintaine, Selga , 18 August 1995 (1, leg. A. Barševskis) , Valle , 12August 2008 (1, leg. A. Barševskis) ; Balvi d.: Rekava 27 July 1992 (1, leg. A. Barševskis) ; Bauska d.: Iecava , (1, leg. Ž.Avdeviča, A. Avota and I. Jansone) ; Cēsu d.: Līgatne , 3 June 1999 (1, leg. A. Titovs) , Rauguļi , 21 August 2006 (1, leg. A. Barševskis) , Taurene , 21 August 2006 (1, leg. A. Pankjāns) ; Daugavpils d.: Bebrene , 18 May 1997 (1, leg. I. Grīne) , 5 May 2006 (1, leg. E. Rudāns) , 18 June 2006 (1, leg. E. Rudāns), 30 September 2006 (1, leg. E. Rudāns) , Butišķi, 21 August 2009 (2, bank of Daugava River , on Salix , leg. A. Bukejs and M. Balalaikins) , Demene, Kurcums , 6 June 2008 (1, leg. A. Barševskis) , Dubna, Lielie Stradišķi house, 8 July 2006 (2, leg. A. Pankjāns) , Dviete , 22 August 2006 (3, leg. A. Barševskis) , Eglaine , 20 August 2008 (2, leg. A. Barševskis) , Ilgas, Silene NPT, 27 September 1989 (1, leg. A. Barševskis) , 20 August 2002 (1, leg. A. Barševskis) , 1 – 5 July 2006 (1, leg. A. Barševskis), 9 June 2008 (1, leg. A. Barševskis), 2 August 2009 (1, leg. A. Barševskis) , Neiciškas, NPT Daugavas Loki , 30 July 2009 (1, leg. R. Cibuļskis) , Stropi , 10 August 2009 (1, leg. A. Bukejs) , 8 May 2010 (1, leg. A. Bukejs) , Svente , 21 July 1992 (1, leg. A. Barševskis) , Šedere, Straumēni house, 29 July 2007 (1, leg. M. Janovska) , 1 -3 May 2008 (1, leg. M. Janovska) , 16 – 17 May 2009 (1, leg. M. Janovska) , Višķi , 15 August 1990 (1, leg. A. Barševskis) , 11 June 1989 (1, leg. A. Barševskis) ; Gulbene d.: Lejasciems , July 2003 (1, leg. I. Kampāne, and A. Barševskis) , Tirza , 31 May 2005 (1, leg. M. Balalaikins) , Ušurs , 10 July 2005 (1, leg. A. Barševskis) ; Jēkabpils d.: Aknīste , 10 August 2001 (3, leg. I. Leiskina) , Asare , 31 July 2000 (1, leg. I. Leiskina) , 6 July 2001 (1, leg. I. Leiskina) , Dignāja , 12 July 2009 (1, leg. M. Balalaikins) , Dunava , 15 – 16 April 1995 (1, leg. A. Barševskis) , 20 August 2000 (1, leg. I. Leiskina) , April 2002 (1, leg. A. Barševskis), 10 – 18 June 2006 (1, leg. K. Barševska), 13 May 2007 (1, leg. K. Barševska and A. Barševskis), 8 – 9 August 2009 (1, leg. A. Barševskis) , Leimaņi, 25 July 2010 (1, Lake Skrīveru env., leg. M. Balalaikins) , Rubeņi , 17 May 1997 (1, leg. I. Leiskina) , 30 May 1997 (1, leg. I. Leiskina) , 28 August 1997 (1, leg. I. Leiskina), 16 October 1997 (1, leg. I. Leiskina), 3 September 1998 (1, leg. I. Leiskina), 23 April 2000 (1, leg. I. Leiskina), 27 August 2000 (1, leg. I. Leiskina), 18 August 2001 (2, leg. I. Leiskina), 25 August 2001 (1, leg. I. Leiskina) , Vandāni, 16 August 2008 (2, bank of River Daugava , leg. M. Balalaikins) , Zasa 15 August 2000 (4, leg. I. Leiskina) ; Krāslava d.: Asūne , 27 July 1990 (1, leg. A. Barševskis) , Indrica , 24 May 1990 (1, leg. A. Barševskis) , Izvalta, Murāni , 19 October 1990 (1, leg. A. Barševskis) , 21 August 1992 (1, leg. A. Barševskis) , Skuķi , 27 July 1990 (1, leg. A. Barševskis) , Šķeltova , 27 July 1989 (6, leg. A. Barševskis) , 24 August 1989 (1, leg. A. Barševskis) , 1 May 1990 (3, leg. A. Barševskis), 16 August 1990 (1, leg. A. Barševskis), 26 August 1992 (1, leg. A. Barševskis), 23 August 1997 (1, leg. A. Barševskis), 3 August 1998 (1, leg. A. Barševskis), 23 August 2005 (4, leg. A. Barševskis), 14 August 2006, (7, leg. A. Barševskis), 3 June 2008 (1, leg. A. Barševskis), 11 August 2009 (1, leg. A. Barševskis) , Stivriņi , 28 August 1989 (1, leg. A. Barševskis) , Ūdrīši, Daugavas Loki NPT, Zapoļņiki house, 16 April 2005 (1, leg. M. Janovska) ; Kuldīga d.: Renda , 16 May 1973 (1, meadow, leg. M. Šternbergs) ; Liepāja d.: Liepāja, 11 August 2008 (1, dunes, leg. A. Barševskis) , Upmaļi , 12 August 2008 (1, sea-coast, leg. A. Barševskis) , Vērgale , 12 August 2008 (1, leg. A. Barševskis) ; Limbaži d.: Aloja , 16August 1992 (1 ex.), Liepupe , Ķumrags dunes , 17 August 2008 (1, leg. A. Barševskis) Salacgrīva, 16 August 1992 (1 ex.); Ludza d.: Bļaši, 10 August 2008 (1, meadow, leg. M. Balalaikins) , Gagari env. 16 May 2009 (3, leg. A. Bukejs) , 6,5 km NE Ezernieki, Puncelova , 10 May 2008 (1, road side, leg. A. Bukejs) , Kopči , 29 September 2010 (1, leg. M. Balalaikins) , 9 October 2010 (1, bank of Lake Lielais Ludzas , leg. M. Balalaikins) , Salnava , 19 July 1998 (1, leg. I. Leiskina) ; Madona d.: Iedzēni , 1 August 1974 (1 ex.), Ļaudona, 29 April 1973 (1, leg. M. Šternbergs) ; Ogre d.: Lielvārde , 22 August 1969 (1 ex.); Preiļi d. : Aglona , Šņepsti , 14 August 2008 (2, leg. A. Barševskis) , Jersika, Kurpnieki house, 15 May 2005 (1, leg. A. Barševskis) , 14 September 2005 (1, leg. A. Barševskis) , 14 September 2005 (1, leg. A. Barševskis), 20 May 2006 (1, leg. K. Barševska), 4 – 5 August 2007 (1, leg. A. Barševskis), 18 August 2009 (1, leg. A. Barševskis and K. Barševska) , Pelēči , 29 August 1997 (1, leg. I. Jurkjāne) , Sutri , 14 August 2008 (1, leg. A. Barševskis) ; Rīga d.: Dārziņi , 25 July 1971 (1, leg. L. Danka) , Mālpils , 16 August 2008 (1, leg. A. Barševskis) , Sigulda , 29 May 1969 (1 ex.), 19 June 1969 (1 ex.), 25 June 1969 (1 ex.), 20 August 1969 (1 ex.), 27 August 1969 (1 ex.), 11 September 1969 (1 ex.), Vangaži, 28 July 1953 (1, leg. M. Stiprais) , 21 May 1971 (1 ex.); Saldus d.: Reņģe 13 May 1934 (1, leg. J. Muskars) ; Talsi d.: Kaļķi , 1 June 1973 (1, leg. M. Šternbergs) , Kaļķupe, Puiškalns NPT, 6 June 2009 (1, leg. N. Savenkovs) , Mundigciems, Vīceži , 11 August 2006 (1, leg. E. Rudāns) , Slītere NP, 26 June 2002 (1, leg. A. Barševskis) , July 2003 (1, leg. A. Barševskis) , Stende , 18 August 1973 (1, on Trifolium , leg. M. Šternbergs) ; Valka d.: Trikāta , 23 June 1992 (2, leg. M. Kalniņš) , 28 August 1992 (1 ex., agrocenosis); Valmiera d.: near Mazsalaca vill. , 21 August 2006 (5, leg. A. Barševskis) , 27 August 2006 (1, leg. A. Barševskis) , Sprosti , 21 August 2006 (1, leg. A. Pankjāns) , Tālava , 21 August 2006 (3, leg. A. Pankjāns) ; Ventspils d.: Ance , 30 May 1973 (1, forest meadow, leg. M. Šternbergs) , Moricsala NPT, 11 August 2006 (1, leg. E. Rudāns) , Zlēkas , 18 May 1973 (1, meadow, M. Šternbergs) .

Host plants: Trifolium , Medicago ( Fabaceae ).

Phenology: IV- X.

General distribution: Europe, Caucasus, N Africa, Siberia, Central Asia ( Iran, Kazakhstan, Uzbekistan), East Asia (Russian Far East) [ PAL].

Note: A very common species in Latvia.