THE LARVAL STAGES OF AGABUS APPROXIMATUS FALL AND A. CONGENER (THUNBERG) (COL., DYSTISCIDAE)NILSSON AN.1983; AQUATIC INSECTS; ISSN 0165-0424; NLD; DA. 1983; VOL. 5; NO 1; PP. 9-15; BIBL. 8 REF.Article

NOTES ON SOME NORTHERN SPECIES OF AGABUS (COLEOPTERA, DYTISCIDAE)NILSSON AN.1981; NOT. ENTOMOL.; FIN; DA. 1981; VOL. 61; NO 4; PP. 191-196; ABS. FIN/SWE; BIBL. 18 REF.Article

SU ALCUNI REPERTI DI HYDROPORUS ED AGABUS IN TRENTINO-ALTO ADIGE (COLEOPTERA, DYTISCIDAE) = SUR QUELQUES CAPTURES D'H. ET A. DANS LE TRENTIN HAUT ADIGE (C., D)PEDERZANI F.1979; STUDI TRENTINI SCI. NAT., ACTA BIOL.; ISSN 502197; ITA; DA. 1979 PUBL. 1980; VOL. 56; PP. 97-100; ABS. ENG; BIBL. 8 REF.Article

Notes on the Agabus congener group (Coleoptera, Dytiscidae) in Klpisjärvi and ÅlandNILSSON, A. N.Notulae entomologicae. 1985, Vol 65, Num 4, pp 137-141, issn 0029-4594Article

Allozyme variation supports the recognition of Agabus lapponicus (Thomson) (Coleoptera, Dytiscidae) as a distinct speciesNILSSON, A. N; STILLE, B; DOUWES, P et al.Entomologica Scandinavica. 1988, Vol 19, Num 1, pp 31-33, issn 0013-8711Article

A morphometric study of the two cryptic species Agabus congener (Thunberg) and A. lapponicus (Thomson) (Coleoptera: Dytiscidae)NILSSON, A. N.Entomologica Scandinavica. 1987, Vol 18, Num 1, pp 67-77, issn 0013-8711Article