Lasius neglectus Van Loon, Boomsma & Andrásfalvy, 1990

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English Invasive garden ant ISEIA: C0
Lëtzebuergesch Vergiesse Weeseechomes
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Status and distribution in Luxembourg

Lasius neglectus hasn’t been observed in Luxembourg so far.

The ant species is a recent arrival in Europe. Some of its populations have attained pest status but on other sites, the ant is still in an arrested state, perhaps in the lag phase, lacking the major characteristics of invaders.

Its negative effects are caused by the enormous numbers of ants tending aphids on trees and the occupation of electrical conduits in homes and gardens.

Risk assessment

ISEIA protocol: C0 (3+1+1+1) (Ries et al. 2017: 68).


  • Ries, C., A. Arendt, C. Braunert, S. Christian, A. Dohet, A. Frantz, G. Geimer, M. Hellers, J. A. Massard, X. Mestdagh, R. Proess, N. Schneider & M. Pfeiffenschneider, 2017. Environmental impact assessment and black, watch and alert list classification after the ISEIA Protocol of invertebrates in Luxembourg. Bull. Soc. Nat. luxemb. 119: 63-70. [PDF 360 KB]

 Page content last updated on 2019-12-10. Last proofread by Caroline Grounds on 2019-12-10.