Tetramorium caespitum (Linnaeus, 1758)

Verheyde, Fons, Jacobs, JEffrEY, Dekoninck, WOUTEr, Achterberg, Kees Van, Rond, JErOEn, Blanck, Tim De, Schoonvaere, KarEL, Nieuwenhuijsen, Hans, Ketelaere, Augustijn De, Minnebo, BarT & Ferrer-Suay, Mar, 2023, Remarks on Hymenoptera on urban green roofs in Belgium, Belgian Journal of Entomology 140, pp. 1-37 : 16

Tetramorium caespitum (Linnaeus, 1758)

BELGIUM: • 8♀♀ (workers); N51.225° E4.380°; v/2020; J. Jacobs leg.; coll. RBINS; pitfall trap; W. Dekoninck det. • 5 ♀♀ (workers) + 1 dealate gyne; N51.225° E4.380°; vi/2020; J. Jacobs leg.; coll. RBINS; pitfall trap; W. Dekoninck det. • 1 ♂; N51.184° E4.419°; vi/2020; J. Jacobs leg.; coll. RBINS; pan trap (white); W. Dekoninck det. • 1 ♀ (worker); N51.251° E4.418°; vii/2020; J. Jacobs leg.; coll. RBINS; pitfall trap; W. Dekoninck det. • 11♀ (workers); N51.135° E4.251°; vii/2020; J. Jacobs leg.; coll. RBINS; pitfall trap; W. Dekoninck det. • 2 ♀♀ (workers); N51.218° E4.398°; vii/2020; J. Jacobs leg.; coll. RBINS; pitfall trap; W. Dekoninck det. • 3 ♀♀ (workers); N51.225° E4.380°; viii/2020; J. Jacobs leg.; coll. RBINS; pitfall trap; W. Dekoninck det. • 11 ♀ (workers); N51.160° E4.390°; viii/2020; J. Jacobs leg.; coll. RBINS; pitfall trap; W. Dekoninck det. • 1 ♂; N51.184° E4.419°; ix/2020; J. Jacobs leg.; coll. RBINS; pan trap (white); W. Dekoninck det. • 1 ♀ (worker); N51.160° E4.390°; ix/2020; J. Jacobs leg.; coll. RBINS; pitfall trap; W. Dekoninck det. • 1 ♀ (worker); N51.135° E4.251°; iv/2021; J. Jacobs leg.; coll. RBINS; pitfall trap; W. Dekoninck det. • 2 ♀♀ (workers); N51.225° E4.380°; v/2021; J. Jacobs leg.; coll. RBINS; pitfall trap; W. Dekoninck det. • 2 ♀♀ (workers); N51.160° E4.390°; vi/2021; J. Jacobs leg.; coll. RBINS; pitfall trap; W. Dekoninck det. • 1 ♀ (worker); N51.130° E4.253°; vii/2021; J. Jacobs leg.; coll. RBINS; pitfall trap; W. Dekoninck det. • 4 ♀♀ (workers); N51.130° E4.253°; vii/2021; J. Jacobs leg.; coll. RBINS; pitfall trap; W. Dekoninck det. • 22 ♀♀ (workers); N51.225° E4.380°; vii/2021; J. Jacobs leg.; coll. RBINS; pitfall trap; W. Dekoninck det. • 35 ♀♀ (workers); N51.160° E4.390°; vii/2021; J. Jacobs leg.; coll. RBINS; pitfall trap; W. Dekoninck det. • 1 ♀ (worker); N51.199° E4.459°; viii/2021; J. Jacobs leg.; coll. RBINS; pitfall trap; W. Dekoninck det. • 1 ♀ (worker); N51.130° E4.253°; viii/2021; J. Jacobs leg.; coll. RBINS; pitfall trap; W. Dekoninck det. • 3 ♀♀ (workers); N51.197° E4.463°; viii/2021; J. Jacobs leg.; coll. RBINS; pitfall trap; W. Dekoninck det. • 85 ♀♀ (workers); N51.160° E4.390°; viii/2021; J. Jacobs leg.; coll. RBINS; pitfall trap; W. Dekoninck det. • 11♀ (workers); N51.160° E4.390°; ix/2021; J. Jacobs leg.; coll. RBINS; pitfall trap; W. Dekoninck det. [22 occ. (2 years), 9 roofs]

Remarks:

Tetramorium caespitum can be very abundant on sandy and thermophilic soils in Flanders ( DEKONINCK et al., 2012). Together with Lasius niger it is often the first to establish in newly created sites on sandy soils.